Tournois : 17 | 2,806 parties | 9,171 vidéos | MAJ: 17/01/2026
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  • Superbet Chess Classic  – Round 11 – Caruana Fabiano – 1-0 – Firouzja Alireza – G49
    • A20 - 1. c4 e5 2. d3 - English opening
    • Superbet Chess Classic – Round 11 – Caruana Fabiano – 1-0 – Firouzja Alireza – G49

    • Superbet Chess Classic  – Round 11 – Caruana Fabiano – 1-0 – Firouzja Alireza – G49
    • Lire la suite
  • Superbet Chess Classic  – Round 8 – Gukesh D – 1/2-1/2 – Giri Anish – G38
    • E49 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 - Nimzo-Indian Defense: Normal Variation, Botvinnik System
    • Superbet Chess Classic – Round 8 – Gukesh D – 1/2-1/2 – Giri Anish – G38

    • Superbet Chess Classic  – Round 8 – Gukesh D – 1/2-1/2 – Giri Anish – G38
    • Lire la suite
  • SuperUnited Rapid & Blitz Croatia – Round 18 – Giri Anish – 1-0 – Gukesh D – G90
    • D26 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 - Queen's Gambit Accepted: Normal Variation, Traditional System
    • SuperUnited Rapid & Blitz Croatia – Round 18 – Giri Anish – 1-0 – Gukesh D – G90

    • SuperUnited Rapid & Blitz Croatia – Round 18 – Giri Anish – 1-0 – Gukesh D – G90
    • Lire la suite
  • FIDE World Cup 2025 – Round R3 Rapid 1 – Daniil Dubov – 1/2-1/2 – Meier Georg – G525
    • D37 - 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Be7 5. Bf4 O-O - Queen's Gambit Declined: Harrwitz Attack
    • FIDE World Cup 2025 – Round R3 Rapid 1 – Daniil Dubov – 1/2-1/2 – Meier Georg – G525

    • FIDE World Cup 2025 – Round R3 Rapid 1 – Daniil Dubov – 1/2-1/2 – Meier Georg – G525
    • Lire la suite
  • FIDE World Blitz Championship 2025 – Round 27 – Abdusattorov Nodirbek – 0-1 – Carlsen Magnus – G391
    • C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 - Ruy Lopez: Morphy Defense, Anderssen Variation
    • FIDE World Blitz Championship 2025 – Round 27 – Abdusattorov Nodirbek – 0-1 – Carlsen Magnus – G391

    • FIDE World Blitz Championship 2025 – Round 27 – Abdusattorov Nodirbek – 0-1 – Carlsen Magnus – G391
    • Lire la suite
  • FIDE World Blitz Championship 2025 – Round 26 – Carlsen Magnus – 1/2-1/2 – Abdusattorov Nodirbek – G390
    • D01 - 1. d4 d5 2. Nc3 Nf6 3. Bf4 c5
    • FIDE World Blitz Championship 2025 – Round 26 – Carlsen Magnus – 1/2-1/2 – Abdusattorov Nodirbek – G390

    • FIDE World Blitz Championship 2025 – Round 26 – Carlsen Magnus – 1/2-1/2 – Abdusattorov Nodirbek – G390
    • Lire la suite
  • FIDE World Blitz Championship 2025 – Round 25 – Abdusattorov Nodirbek – 0-1 – Carlsen Magnus – G389
    • 1. e4 d6 2. d4 Nf6 3. Bd3 e5 - 1. e4 d6 2. d4 Nf6 3. Bd3 e5 - Pirc Defense
    • FIDE World Blitz Championship 2025 – Round 25 – Abdusattorov Nodirbek – 0-1 – Carlsen Magnus – G389

    • FIDE World Blitz Championship 2025 – Round 25 – Abdusattorov Nodirbek – 0-1 – Carlsen Magnus – G389
    • Lire la suite
  • FIDE World Blitz Championship 2025 – Round 24 – Carlsen Magnus – 0-1 – Abdusattorov Nodirbek – G388
    • D20 - 1. d4 d5 2. c4 dxc4 - Queen's Gambit Accepted, D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted, SÉRIE D
    • FIDE World Blitz Championship 2025 – Round 24 – Carlsen Magnus – 0-1 – Abdusattorov Nodirbek – G388

    • FIDE World Blitz Championship 2025 – Round 24 – Carlsen Magnus – 0-1 – Abdusattorov Nodirbek – G388
    • Lire la suite
  • FIDE World Blitz Championship 2025 – Round 23 – Carlsen Magnus – 1-0 – Caruana Fabiano – G387
    • B50 - 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 - Sicilian Defense: Modern Variations
    • FIDE World Blitz Championship 2025 – Round 23 – Carlsen Magnus – 1-0 – Caruana Fabiano – G387

    • FIDE World Blitz Championship 2025 – Round 23 – Carlsen Magnus – 1-0 – Caruana Fabiano – G387
    • Lire la suite
  • FIDE World Blitz Championship 2025 – Round 22 – Erigaisi Arjun – 1/2-1/2 – Abdusattorov Nodirbek – G386
    • D10-D19 1. d4 d5 2. c4 c6 Queen's Gambit Slav defence, D12 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 - Slav Defense: Quiet Variation, Schallopp Defense, SÉRIE D
    • FIDE World Blitz Championship 2025 – Round 22 – Erigaisi Arjun – 1/2-1/2 – Abdusattorov Nodirbek – G386

    • FIDE World Blitz Championship 2025 – Round 22 – Erigaisi Arjun – 1/2-1/2 – Abdusattorov Nodirbek – G386
    • Lire la suite
  • FIDE World Blitz Championship 2025 – Round 22 – Caruana Fabiano – 0-1 – Carlsen Magnus – G385
    • C20 - 1. e4 e5 - King's Pawn Game, C20-C29 King's pawn game 1. e4 e5, SÉRIE C
    • FIDE World Blitz Championship 2025 – Round 22 – Caruana Fabiano – 0-1 – Carlsen Magnus – G385

    • FIDE World Blitz Championship 2025 – Round 22 – Caruana Fabiano – 0-1 – Carlsen Magnus – G385
    • Lire la suite
  • FIDE World Blitz Championship 2025 – Round 21 – Abdusattorov Nodirbek – 1-0 – Erigaisi Arjun – G384
    • B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 - Sicilian Defense: Four Knights Variation
    • FIDE World Blitz Championship 2025 – Round 21 – Abdusattorov Nodirbek – 1-0 – Erigaisi Arjun – G384

    • FIDE World Blitz Championship 2025 – Round 21 – Abdusattorov Nodirbek – 1-0 – Erigaisi Arjun – G384
    • Lire la suite

ECO CODE

  • Non_classe (0)
  • SÉRIE A (506)
    • A00 - 1. a3 (3)
    • A00 - 1. g3 e5 2. Nf3 Nc6 3. d4 e4 4. Ne5 Nce7 - Hungarian Opening: Reversed Alekhine (1)
    • A00 - 1. g3 Nf6 2. Bg2 d5 (1)
    • A00 1. xxxx (2)
      • A00 - 1. Nc3 e5 2. Nf3 Nc6 3. d4 - Van Geet Opening: Napoleon Attack (1)
      • A00 - 1. Nh3 d5 2. g3 e5 - Amar (Paris) opening (1)
    • A01 - 1. b3 - Nimzo-Larsen Attack (9)
      • A01 - 1. b3 b6 2. - Nimzo-Larsen Attack: Symmetrical Variation (1)
      • A01 - 1. b3 d5 2. Bb2 Nf6 - Nimzovich-Larsen attack (6)
      • A01 - 1. b3 Nf6 2. - Nimzo-Larsen Attack: Indian Variation (2)
    • A02 - A03 1. f4 Bird's opening (1)
      • A02 - 1. f4 - Bird Opening (0)
      • A03 - 1. f4 d5 - Bird Opening: Dutch Variation (1)
      • A03 - 1. f4 d5 2. Nf3 Bg4 - Bird's opening (1)
    • A04 - A09 1. Nf3 Opening Reti (154)
      • A04 - 1. Nf3 - Zukertort Opening (7)
        • A04 - 1. Nf3 c5 - Zukertort Opening: Sicilian Invitation (3)
        • A04 - 1. Nf3 e6 - Zukertort Opening: Queen's Gambit Invitation (1)
        • A04 - 1. Nf3 f5 - Zukertort Opening: Dutch Variation (1)
        • A04 - 1. Nf3 g6 2. d4 Bg7 3. g3 (2)
      • A05 - 1. e3 Nf6 2. Nf3 b6 3. d4 Bb7 4. Bd3 e6 - Zukertort Opening: Quiet System (1)
      • A05 - 1. Nf3 Nf6 - Zukertort Opening (40)
        • A05 - 1. Nf3 Nf6 2. b3 - Zukertort Opening: Nimzo-Larsen Variation (7)
        • A05 - 1. Nf3 Nf6 2. g3 b5 (4)
        • A05 - 1. Nf3 Nf6 2. g3 b6 (1)
        • A05 - 1. Nf3 Nf6 2. g3 c5 - Reti opening (6)
        • A05 - 1. Nf3 Nf6 2. g3 d5 - King's Indian Attack (13)
          • A05 - 1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 - King's Indian Attack (4)
          • A05 - 1. Nf3 Nf6 2. g3 d5 3. Bg2 g6 - King's Indian Attack (1)
          • A07 - 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 - King's Indian Attack, with e6 (8)
        • A05 - 1. Nf3 Nf6 2. g3 g6 - King's Indian Attack: Symmetrical Defense (9)
      • A06 - 1. Nf3 d5 - Zukertort Opening (44)
        • A06 - 1. Nf3 d5 2. b3 - Nimzo-Larsen Attack (22)
          • A06 - 1. Nf3 d5 2. b3 Bf5 3. - Nimzo-Larsen Attack: Classical Variation (9)
          • A06 - 1. Nf3 d5 2. b3 Bg4 3. - Nimzo-Larsen Attack: Classical Variation (1)
          • A06 - 1. Nf3 d5 2. b3 c5 3. e3 (6)
          • A06 - 1. Nf3 d5 2. b3 c5 3. e4 - Nimzo-Larsen Attack: Norfolk Gambit (0)
          • A06 - 1. Nf3 d5 2. b3 Nf6 3. - Nimzo-Larsen Attack: Classical Variation (6)
        • A06 - 1. Nf3 d5 2. e3 - Zukertort Opening (1)
        • A06 - 1. Nf3 d5 2. e3 Nf6 - Reti opening (21)
          • A06 - 1. Nf3 d5 2. e3 Nf6 3. b3 Bf5 - Reti opening (3)
          • A06 - 1. Nf3 d5 2. e3 Nf6 3. b3 e6 - Reti opening (2)
          • A06 - 1. Nf3 d5 2. e3 Nf6 3. c4 dxc4 - Reti opening (1)
          • A06 - 1. Nf3 d5 2. e3 Nf6 3. c4 e6 - Reti opening (15)
            • A06 - 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. b3 - Reti opening (7)
            • A06 - 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. d4 - Reti opening (1)
            • A06 - 1. Nf3 d5 2. e3 Nf6 3. c4 e6 4. Nc3 - Reti opening (7)
      • A07 - 1. Nf3 d5 2. g3 - King's Indian Attack (31)
        • A07 - 1. Nf3 d5 2. g3 b6 3. - King's Indian Attack (1)
        • A07 - 1. Nf3 d5 2. g3 Bg4 - King's Indian Attack: Keres Variation (4)
        • A07 - 1. Nf3 d5 2. g3 c6 3. - King's Indian Attack (4)
        • A07 - 1. Nf3 d5 2. g3 g6 - King's Indian Attack: Double Fianchetto (15)
          • A07 - 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 - King's Indian Attack: Double Fianchetto (5)
          • A07 - 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. O-O - King's Indian Attack: Double Fianchetto (6)
          • A07 - 1. Nf3 d5 2. g3 g6 3. c4 dxc4 4. Na3 - King's Indian Attack: Double Fianchetto (4)
        • A07 - 1. Nf3 d5 2. g3 Nc6 - Reti (7)
      • A07 - 1. Nf3 d5 2. g3 Nd7 - King's Indian Attack (8)
      • A07 - 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 - English Opening: Agincourt Defense, Neo-Catalan Declined (0)
      • A08 - 1. Nf3 d5 2. g3 c5 3. Bg2 - King's Indian Attack: Sicilian Variation (1)
      • A08 - 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 - King's Indian Attack (9)
        • A08 - 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. O-O O-O 8. Re1 - King's Indian Attack: Sicilian Variation (1)
        • A08 - 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 - Zukertort Opening: Reversed Grünfeld (5)
        • A08 - 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 - Zukertort Opening: Reversed Grünfeld (3)
      • A08 - 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 - King's Indian Attack: Sicilian Variation (1)
      • A08 - 1. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O g6 - King's Indian Attack: Sicilian Variation (3)
      • A08 - 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O d5 - Zukertort Opening: Reversed Grünfeld (2)
      • A08 - 1. Nf3 Nf6 2. g3 d5 3. Bg2 (2)
      • A09 - 1. Nf3 d5 2. c4 - Réti Opening (5)
        • A09 - 1. Nf3 d5 2. c4 c6 3. - Réti Opening (1)
        • A09 - 1. Nf3 d5 2. c4 d4 - Réti Opening: Advance Variation (2)
        • A09 - 1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4 - Réti Opening: Reversed Blumenfeld Gambit (1)
        • A09 - 1. Nf3 d5 2. c4 dxc4 - Réti Opening: Réti Accepted (1)
    • A10-A39 English Opening (223)
      • A10 - 1. c4 - English Opening (5)
        • 1. c4 b6 2. Nc3 Bb7 3. d4 e6 4. e4 Bb4 - 1. c4 - English Opening (1)
        • A10 - 1. c4 d5 - English Opening: Anglo-Scandinavian Defense (0)
        • A10 - 1. c4 f5 - English Opening: Anglo-Dutch Defense (0)
        • A10 - 1. c4 g6 - English Opening: Great Snake Variation (3)
        • A10 - 1. c4 g6 2. e4 e5 - English Opening: Adorjan Defense (1)
        • A10 - 1. c4 Nc6 - English Opening: Anglo-Lithuanian Variation (0)
        • A10 - 1. c4 Nf6 2. e4 - English Opening: Achilles-Omega Gambit (0)
      • A10 - 1. Nf3 Nf6 2. c4 c5 3. g3 - English Opening: Anglo-Indian Defense, King's Knight Variation (0)
      • A11 - 1. c4 c6 - English Opening: Caro-Kann Defensive System (5)
        • A11 - 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. b3 (1)
        • A11 - 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 (1)
        • A11 - 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 - Réti Opening: Anglo-Slav Variation, with g3 (0)
        • A11 - 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bf5 - Réti Opening: Anglo-Slav Variation, with g3 (1)
        • A11 - 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 - Réti Opening: Anglo-Slav Variation, with g3 (2)
      • A13 - 1. c4 e6 - English Opening (24)
        • 1. c4 e6 2. g3 d5 3. Bg2 ... (1)
          • A13 - 1. c4 e6 2. Nf3 d5 - English Opening: Agincourt Defense (1)
        • A13 - 1. c4 e6 2. g3 - English Opening: Agincourt Defense, Bogoljubow Defense (7)
        • A13 - 1. c4 e6 2. g3 Nf6 - English opening (1)
        • A13 - 1. c4 e6 2. Nc3 - English Opening: Agincourt Defense (3)
        • A13 - 1. c4 e6 2. Nf3 d5 3. g3 Nf6 - English Opening: Neo-Catalan (8)
        • A13 - 1. c4 e6 2. Nf3 Nf6 3. b3 d5 4. Bb2 c5 5. e3 - English Opening: Agincourt Defense, Wimpy System (1)
        • A13 - 1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc4 - English Opening: Agincourt Defense, Catalan Defense Accepted (3)
      • A14 - 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4.... - English Opening (25)
        • A14 - 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. b3 - English Opening: Agincourt Defense, Neo-Catalan Declined, Early b3 (1)
        • A14 - 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O - English Opening: Agincourt Defense, Neo-Catalan Declined (24)
          • A14 - 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 Be7 5. O-O O-O 6. d3 (11)
          • A14 - 1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b3 (8)
          • A14 - 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. Re1 (1)
          • A14 - 1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 (2)
          • A14 - 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. cxd5 (1)
          • A14 - 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. Ne5 (1)
        • A14 - 1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 e6 5. b3 Be7 6. Bb2 - Réti Opening: Anglo-Slav Variation (0)
      • A15 - 1. c4 1... Nf6 2. g3 2... e5 - English Opening: Anglo-Indian Defense (0)
      • A15 - 1. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 - English Opening: Anglo-Indian Defense, Queen's Indian Formation (1)
      • A15 - 1. c4 Nf6 - English Opening: Anglo-Indian Defense (7)
      • A15 - 1. c4 Nf6 2. Nf3 b6 - English Opening: Anglo-Indian Defense, Queen's Indian Formation (2)
      • A15 - 1. c4 Nf6 2. Nf3 g6 - English Opening: Anglo-Indian Defense, King's Indian Formation (5)
      • A15 - 1. Nf3 Nf6 2. c4 c5 3. g3 b6 4. Bg2 Bb7 - English Opening: Anglo-Indian Defense, King's Knight Variation (1)
      • A15 - 1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. d4 (2)
      • A15 - 1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 4. d4 cxd4 - English Opening: Anglo-Indian Defense, King's Knight Variation (1)
      • A15 - 1. Nf3 Nf6 2. c4 e6 - English opening (11)
        • A15 - 1. Nf3 Nf6 2. c4 e6 3. b3 - English opening (7)
        • A15 - 1. Nf3 Nf6 2. c4 e6 3. Nc3 - English opening (4)
      • A15 - 1. Nf3 Nf6 2. c4 Nc6 - English opening (2)
      • A17 - 1. c4 Nf6 2. Nc3 e6 - English Opening: Anglo-Indian Defense, Hedgehog System (0)
        • A17 - 1. c4 e6 2. Nc3 Nf6 3. Nf3 b6 - English Opening: Anglo-Indian Defense, Queen's Indian Formation (0)
        • A17 - 1. c4 e6 2. Nc3 Nf6 3. Nf3 b6 4. e4 Bb7 5. Bd3 - English Opening: Anglo-Indian Defense, Queen's Indian Variation (0)
        • A17 - 1. c4 e6 2. Nc3 Nf6 3. Nf3 Bb4 4. g4 - English Opening: Anglo-Indian Defense, Zvjaginsev-Krasenkow Attack (0)
        • A17 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 c5 5. e3 e6 - English Opening: Anglo-Indian Defense (0)
        • A17 - 1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 - English Opening: Anglo-Indian Defense, Nimzo-English (0)
      • A18 - 1. c4 e6 2. Nc3 Nf6 3. e4 - English Opening (2)
      • A19 - 1. c4 e6 2. Nc3 Nf6 3. e4 c5 - English Opening: Mikenas-Carls, Sicilian (2)
        • A19 - 1. c4 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng8 - English Opening: Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei Gambit (2)
      • A20 - 1. c4 e5 - English Opening: King's English Variation (21)
        • A20 - 1. c4 e5 2. d3 - English opening (10)
        • A20 - 1. c4 e5 2. e3 Nf6 3. Nc3 Bb4 (1)
        • A20 - 1. c4 e5 2. g3 - English Opening (9)
          • A20 - 1. c4 e5 2. e3 Nf6 3. f4 exf4 4. Nf3 - English Opening: King's English Variation, Kahiko-Hula Gambit (0)
          • A20 - 1. c4 e5 2. g3 Be7 3. - English Opening: King's English Variation (1)
          • A20 - 1. c4 e5 2. g3 c6 3. - English Opening: King's English Variation (2)
          • A20 - 1. c4 e5 2. g3 d5 3. - English Opening: King's English Variation (4)
          • A20 - 1. c4 e5 2. g3 Nc6 3. - English Opening: King's English Variation (2)
        • A20 - 1. c4 e5 2. g3 h5 - English Opening: Drill Variation (0)
        • A20 - 1. c4 e5 2. Nf3 - English Opening: King's English Variation, Nimzowitsch Variation (0)
        • A20 - 1. c4 e5 2. Nf3 e4 - English Opening: King's English Variation, Nimzowitsch-Flohr Variation (1)
      • A20 - 1. c4 e5 2. g3 Nf6 - English Opening: King's English Variation (4)
      • A21 - 1. c4 e5 2. Nc3 - English Opening: King's English Variation, Reversed Sicilian (11)
        • A21 - 1. c4 e5 2. Nc3 Bb4 - English Opening: King's English Variation, Kramnik-Shirov Counterattack (10)
        • A21 - 1. c4 e5 2. Nc3 d6 3. - English Opening: King's English Variation (1)
      • A22 - 1. c4 e5 2. Nc3 Nf6 - English Opening: King's English Variation, Two Knights Variation (5)
      • A23 - 1. c4 e5 2. Nc3 Nf6 3. g3 c6 - English Opening: King's English Variation, Two Knights Variation, Keres Variation (0)
      • A24 - 1. c4 e5 2. Nc3 Nf6 3. g3 g6 - English Opening: King's English Variation, Two Knights Variation, Fianchetto Line (0)
      • A25 - 1. c4 e5 2. Nc3 Nc6 - English Opening: King's English Variation, Reversed Closed Sicilian (2)
        • A25 - 1. c4 e5 2. Nc3 Nc6 3. g3 f5 (1)
        • A25 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 - English Opening: King's English Variation, Taimanov Variation (1)
        • A25 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 - English Opening: King's English Variation, Closed System (0)
        • A25 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 Be6 - English Opening: King's English Variation, Bremen-Hort Variation (0)
        • A25 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 - English Opening: King's English Variation, Hungarian Attack (0)
        • A25 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Rb1 Nh6 5. Bg2 Bg7 - English Opening: Closed, Taimanov Variation (0)
        • A25 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4.... - English Opening (0)
      • A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4.... - English Opening (0)
        • A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 - English Opening: King's English Variation, Closed System, Full Symmetry (0)
        • A26 - 1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. e4 - English Opening: King's English Variation, Botvinnik System (0)
      • A27 - 1. c4 e5 2. Nc3 Nc6 3. Nf3 - English Opening: King's English Variation, Three Knights System (0)
      • A28 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4.... - English Opening (19)
        • A28 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. a3 - English Opening: King's English Variation, Four Knights Variation, Korchnoi Line (1)
        • A28 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 - English Opening: King's English Variation, Four Knights Variation, Flexible Line (6)
        • A28 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 - English Opening: King's English Variation, Four Knights Variation, Quiet Line (12)
          • A28 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 g6 5. d4 exd4 - English Opening: King's English Variation, Four Knights Variation, Quiet Line (1)
          • A28 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 - English Opening: Four Knights System, Nimzowitsch Variation (1)
          • A28 - 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 - English Opening: King's English Variation, Four Knights Variation, Quiet Line (8)
          • A28 - 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 O-O - English Opening: King's English Variation, Four Knights Variation, Quiet Line (1)
          • A28 - 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 d6 5. d4 Bd7 - English Opening: King's English Variation, Four Knights Variation, Quiet Line (1)
      • A28 - 1. c4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 - English Opening: King's English Variation, Four Knights Variation (2)
      • A29 - 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 - English Opening: King's English Variation, Four Knights Variation, Fianchetto Line (4)
      • A29 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 - English Opening: King's English Variation, Four Knights Variation, Fianchetto Line (4)
      • A29 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 - English Opening: King's English Variation, Four Knights Variation, Fianchetto Line (14)
        • A29 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 - English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6 (0)
        • A29 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 a6 - English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, a6 (0)
        • A29 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bc5 5. d3 d6 6. Bg2 h6 - English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with .. d6, h6 (0)
        • A29 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 (1)
        • A29 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Bc5 - English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Bc5 (6)
        • A29 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb6 - English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 (6)
        • A29 - 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 g6 5. - English Opening: King's English Variation, Four Knights Variation, Fianchetto Line (1)
      • A30 - 1. c4 c5 - English Opening: Symmetrical Variation (5)
        • A30 - 1. c4 c5 2. b4 - English Opening: Wing Gambit (0)
        • A30 - 1. c4 c5 2. Nf3 Nf6 3. b4 - English Opening: Symmetrical Variation, Napolitano Gambit (0)
        • A30 - 1. c4 c5 2. Nf3 Nf6 3. g3 d5 - English Opening: Symmetrical Variation (3)
        • A30 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 (2)
        • A30 - 1. c4 e6 2. Nf3 c5 3. Nc3 Nf6 4. g3 b6 5. Bg2 Bb7 6. O-O Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. b3 Nbd7 - English Opening: Symmetrical, Hedgehog, Flexible Formation (0)
      • A30 - 1. Nf3 c5 2. c4 g6 3. e4 Bg7 4. d4 d6 - English Opening: Symmetrical Variation (1)
      • A30 - 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 4. Nxd4 Nf6 - English Opening: Symmetrical Variation (1)
      • A30 - 1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 - English Opening: Symmetrical Variation (1)
      • A30 - 1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. e3 Nf6 - English Opening: Symmetrical Variation (1)
      • A30 - 1. Nf3 c5 2. c4 Nf6 3. g3 Nc6 4. Bg2 d5 - English Opening: Symmetrical Variation (1)
      • A31 - 1. c4 Nf6 2. d4 c5 3. Nf3 - English Opening (1)
      • A32 - 1. c4 e6 2. d4 c5 3. Nf3 cxd4 4.... - English Opening (1)
        • A32 - 1. c4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf6 - English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense (1)
      • A33 - 1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4.... - English Opening (3)
        • A33 - 1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 - English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense (3)
        • A33 - 1. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 Nc6 5. g3 cxd4 6. Nxd4 Qb6 - English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation (0)
      • A34 - 1. c4 c5 2. Nc3 - English Opening: Symmetrical Variation, Normal Variation (2)
        • A34 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4.... - English Opening (2)
        • A34 - 1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 - English Opening: Symmetrical Variation, Rubinstein Variation (0)
      • A34 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc7 - English Opening: Symmetrical Variation, Rubinstein Variation (2)
      • A34 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. d4 cxd4 - English Opening: Symmetrical Variation, Three Knights Variation (1)
      • A34 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 e6 4. e3 a6 - English Opening: Symmetrical Variation, Three Knights Variation (1)
      • A34 - 1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 - English Opening: Symmetrical Variation, Fianchetto Variation (1)
      • A34 - 1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. g3 b6 - English Opening: Symmetrical Variation, Three Knights Variation (1)
      • A35 - 1. c4 c5 2. Nc3 Nc6 - English Opening: Symmetrical Variation, Two Knights Variation (5)
        • A35 - 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 - English Opening: Symmetrical Variation, Four Knights Variation (5)
      • A36 - 1. c4 c5 2. Nc3 Nc6 3. g3 - English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation (7)
        • A36 - 1. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 - English Opening: Symmetrical Variation, Botvinnik System (0)
        • A36 - 1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 - English Opening: Symmetrical Variation, Ultra-Symmetrical Variation (7)
        • A36 - 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e5 - English Opening: Symmetrical Variation, Botvinnik System Reversed, with e3 (0)
      • A37 - 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 - English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation (0)
        • A37 - 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 - English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 (0)
      • A37 - 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 (4)
      • A38 - 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O (0)
      • A38 - 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 - English Opening: Symmetrical Variation, Full Symmetry Line (1)
      • A38 - 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 - English Opening: Symmetrical Variation, Full Symmetry Line (0)
        • A38 - 1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. O-O O-O 7. b3 - English Opening: Symmetrical Variation, Double Fianchetto (0)
        • A38 - 1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c5 6. Nc3 Nc6 7. d3 - English Opening: Symmetrical Variation, Duchamp Variation (0)
      • A38 - 1. Nf3 c5 2. c4 Nf6 3. g3 Nc6 4. Bg2 g6 - English Opening: Symmetrical Variation, Full Symmetry Line (1)
      • A38 - 1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. Nc3 Nc6 6. d4 (1)
      • A39 - 1. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d4 - English Opening: Symmetrical Variation, Mecking Variation (0)
    • A12 - 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4.... - Réti Opening (0)
      • A12 - 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 - Réti Opening: Anglo-Slav Variation (0)
      • A12 - 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bf5 - Réti Opening: Anglo-Slav Variation, London Defensive System (0)
      • A12 - 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Bg4 - Réti Opening: Anglo-Slav Variation, Torre System (0)
      • A12 - 1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 dxc4 - Réti Opening: Anglo-Slav Variation, with dxc4 (0)
      • A12 - 1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. Bb2 Bg4 - Réti Opening: Anglo-Slav Variation, Capablanca Variation (0)
      • A12 - 1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. c4 c6 - Réti Opening: Anglo-Slav Variation, Bled Variation (0)
      • A12 - 1. Nf3 d5 2. c4 c6 3. b3 - Réti Opening: Anglo-Slav Variation, Bogoljubow Variation (0)
      • A12 - 1. Nf3 d5 2. c4 c6 3. b3 Bf5 - Réti Opening: Anglo-Slav Variation, Bogoljubow Variation (0)
      • A12 - 1. Nf3 d5 2. c4 c6 3. b3 Bf5 4. Bb2 - Réti Opening: Anglo-Slav Variation, Bogoljubow Variation (0)
      • A12 - 1. Nf3 d5 2. c4 c6 3. b3 Bg4 - Réti Opening: Anglo-Slav Variation, Bogoljubow Variation (0)
      • A12 - 1. Nf3 Nf6 2. c4 c6 3. b3 d5 4. Bb2 Bf5 - Réti Opening: Anglo-Slav Variation, New York System (0)
    • A16 - 1. c4 Nf6 2. Nc3 - English Opening: Anglo-Indian Defense, Queen's Knight Variation (1)
    • A16 - 1. c4 Nf6 2. Nc3 d5 - English Opening: Anglo-Grünfeld Defense (2)
    • A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nb6 - English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation (0)
    • A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. g3 g6 5. Bg2 Nxc3 - English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation (0)
    • A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 - English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation (0)
    • A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 - English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation (1)
    • A16 - 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. g3 Bg7 6. Bg2 e5 - English Opening: Anglo-Grünfeld Defense, Korchnoi Variation (0)
    • A23 - 1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 - English Opening: King's English Variation, Two Knights Variation, Keres Variation (1)
    • A40 - A49 1. d4 (84)
      • A40 - 1. d4 - Queen's Pawn Game (5)
      • A41 - 1. d4 d6 - Queen's Pawn Game (0)
      • A42 - 1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 - Modern Defense: Averbakh System (0)
      • A43 - 1. d4 c5 - Benoni Defense: Old Benoni (0)
      • A44 - 1. d4 c5 2. d5 e5 - Benoni Defense (0)
      • A45 - 1. d4 Nf6 - Indian Defense (38)
        • A45 - 1. d4 Nf6 2. Bf4 - Indian Defense: Accelerated London System (5)
          • A45 - 1. d4 Nf6 2. Bf4 c5 3. d5 d6 (1)
          • A45 - 1. d4 Nf6 2. Bf4 e6 3. - Indian Defense (2)
          • A45 - 1. d4 Nf6 2. Bf4 g6 - Queen's pawn game (1)
        • A45 - 1. d4 Nf6 2. Bf4 d5 - Indian Defense (9)
        • A45 - 1. d4 Nf6 2. Bg5 - Trompowsky Attack (22)
          • A45 - 1. d4 Nf6 2. Bg5 c5 - Trompowsky Attack (2)
          • A45 - 1. d4 Nf6 2. Bg5 c6 - Trompowsky Attack (1)
          • A45 - 1. d4 Nf6 2. Bg5 d5 - Trompowsky Attack (16)
            • A45 - 1. d4 Nf6 2. Bg5 d5 3. e3 c5 - Trompowsky Attack (7)
            • A45 - 1. d4 Nf6 2. Bg5 d5 3. e3 c6 - Trompowsky Attack (2)
            • A45 - 1. d4 Nf6 2. Bg5 d5 3. e3 e6 - Trompowsky Attack (1)
            • A45 - 1. d4 Nf6 2. Bg5 d5 3. e3 Nbd7 - Trompowsky Attack (1)
            • A45 - 1. d4 Nf6 2. Bg5 d5 3. Nd2 Bf5 - Trompowsky Attack (1)
            • A45 - 1. d4 Nf6 2. Bg5 d5 3. Nd2 c5 - Trompowsky Attack (2)
            • A45 - 1. d4 Nf6 2. Bg5 d5 3. Nd2 c6 - Trompowsky Attack (1)
            • A45 - 1. d4 Nf6 2. Bg5 d5 3. Nd2 e6 - Trompowsky Attack (1)
          • A45 - 1. d4 Nf6 2. Bg5 e6 - Trompowsky Attack (2)
          • A45 - 1. d4 Nf6 2. Bg5 g6 - Trompowsky Attack (1)
        • A45 - 1. d4 Nf6 2. Bg5 c5 3. d5 Qb6 4. Nc3 - Trompowsky Attack: Poisoned Pawn Variation (1)
        • A45 - 1. d4 Nf6 2. c3 - Indian Defense (1)
        • A45 - 1. d4 Nf6 2. Nc3 d5 - Queen's Pawn Game: Chigorin Variation (0)
      • A45 - 1. d4 Nf6 2. Bf4 b6 - Indian Defense: Accelerated London System (1)
      • A46 - 1. d4 Nf6 2. Nf3 - Indian Defense: Knights Variation (20)
        • A46 - 1. d4 Nf6 2. Nf3 d6 - Indian Defense: Wade-Tartakower Defense (6)
        • A46 - 1. d4 Nf6 2. Nf3 e6 3. Bf4 (7)
        • A46 - 1. d4 Nf6 2. Nf3 e6 3. Bg5 - Torre Attack: Classical Defense (2)
        • A46 - 1. d4 Nf6 2. Nf3 e6 3. e3 - Yusupov-Rubinstein System (3)
        • A46 - 1. d4 Nf6 2. Nf3 e6 3. g3 - Indian Defense: Knights Variation (1)
        • A46 - 1. d4 Nf6 2. Nf3 e6 3. Nbd2 (1)
        • A46 - 1. d4 Nf6 2. Nf3 Ne4 - Döry Defense (0)
      • A47 - 1. d4 Nf6 2. Nf3 b6 - Pseudo Queen's Indian Defense (1)
      • A48 - 1. d4 Nf6 2. Bg5 d5 3. e3 g6 4. Nf3 Bg7 - Queen's Pawn Game: Torre Attack, Grünfeld Variation, Main Line (1)
      • A48 - 1. d4 Nf6 2. Nf3 g6 - East Indian Defense (14)
        • A48 - 1. d4 Nf6 2. Nf3 g6 3. Bf4 - London System (1)
        • A48 - 1. d4 Nf6 2. Nf3 g6 3. Bg5 - Torre Attack: Fianchetto Defense (5)
        • A48 - 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6 - Indian Defense: Colle System, King's Indian Variation (0)
        • A48 - 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Be2 d5 (1)
        • A48 - 1. d4 Nf6 2. Nf3 g6 3. Nbd2 - East Indian Defense (7)
      • A48 - 1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 - London System (1)
      • A48 - 1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 - Queen's Pawn Game: Barry Attack (1)
      • A49 - 1. d4 Nf6 2. Nf3 g6 3. g3 - Indian Defense: Przepiorka Variation (2)
    • A50 - A59 1. d4 Nf6 2. c4 (13)
      • A50 - 1. d4 Nf6 2. c4 - Indian Defense: Normal Variation (6)
      • A50 - 1. d4 Nf6 2. c4 c6 - Slav Indian (2)
      • A50 - 1. d4 Nf6 2. c4 Nc6 - Mexican Defense (0)
      • A51 - 1. d4 Nf6 2. c4 e5 - Indian Defense (0)
      • A52 - 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 - Indian Defense: Budapest Defense (0)
      • A53 - 1. d4 Nf6 2. c4 d6 - Old Indian Defense (0)
        • A53 - 1. d4 Nf6 2. c4 d6 3. Nc3 Bf5 - Old Indian Defense: Janowski Variation (0)
        • A53 - 1. d4 Nf6 2. c4 d6 3. Nc3 c6 - Old Indian Defense: Czech Variation, with Nc3 (0)
        • A53 - 1. d4 Nf6 2. c4 d6 3. Nf3 c6 - Old Indian Defense: Czech Variation, with Nf3 (0)
      • A53 - 1. d4 Nf6 2. c4 d6 3. Nf3 g6 4. g3 Bg7 - Old Indian Defense (1)
      • A54 - 1. d4 Nf6 2. c4 d6 3. Nc3 e5 - Old Indian Defense: Ukrainian Variation (0)
        • A54 - 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf3 - Old Indian Defense: Two Knights Variation (0)
      • A54 - 1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. e3 Nbd7 5. Bd3 - Old Indian Defense: Duz-Khotimirsky Variation (0)
      • A55 - 1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 - Old Indian Defense: Normal Variation (0)
      • A56 - 1. d4 Nf6 2. c4 c5 - Benoni Defense (1)
        • A56 - 1. d4 Nf6 2. c4 c5 3. d5 d6 - Benoni Defense: Hromádka System (0)
        • A56 - 1. d4 Nf6 2. c4 c5 3. d5 e5 - Benoni Defense: Czech Benoni Defense (0)
        • A56 - 1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Nf3 - Benoni Defense (1)
        • A56 - 1. d4 Nf6 2. c4 c5 3. dxc5 e6 - Benoni Defense: Weenink Variation (0)
      • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 - Benko Gambit (3)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. a4 - Benko Gambit Declined: Sosonko Variation (0)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Bg5 - Benko Gambit Declined: Bishop Attack (0)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 - Benko Gambit Accepted (0)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 - Benko Gambit Accepted: Pawn Return Variation (0)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 - Benko Gambit Accepted: Modern Variation (3)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 - Benko Gambit Accepted: Dlugy Variation (0)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 - Benko Gambit: Zaitsev System (0)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 - Benko Gambit: Zaitsev Variation, Nescafe Frappe Attack (0)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 axb5 6. e4 b4 7. Nb5 d6 8. Bc4 - Benko Gambit: Nescafe Frappe Attack (0)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. e4 - Benko Gambit Declined: Hjørring Countergambit (0)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. f3 - Benko Gambit Declined: Pseudo-Sämisch (0)
        • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 - Benko Gambit Declined: Quiet Line (0)
      • A57 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf3 - Benko Gambit Declined: Main Line (0)
      • A58 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 - Benko Gambit Accepted: Fully Accepted Variation (0)
      • A59 - 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 - Benko Gambit Accepted: Yugoslav (0)
    • A60 - 1. d4 Nf6 2. c4 c5 3. d5 e6 - Benoni Defense (0)
      • A60 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 Bd6 - Benoni Defense: Modern Variation, Snake Variation (0)
    • A60-A79 1. d4 Nf6 2. c4 c6 3. d5 e6 Modern Benoni Defense (3)
      • A62 - 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O - Benoni Defense: Fianchetto Variation (2)
      • A62 - 1. d4 Nf6 2. c4 e6 3. g3 c5 4.... - Benoni Defense (0)
      • A66 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (1)
        • A66 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 - Benoni Defense: Pawn Storm Variation (1)
        • A66 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. e5 - Benoni Defense: Mikenas Variation (0)
    • A61 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. h3 - Benoni Defense (1)
    • A61 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (0)
      • A61 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 - Benoni Defense (0)
      • A61 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg5 - Benoni Defense: Uhlmann Variation (0)
      • A61 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 - Benoni Defense: Fianchetto Variation (0)
      • A61 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2 - Benoni Defense: Knight's Tour Variation (0)
    • A63 - 1. d4 Nf6 2. c4 e6 3. g3 c5 4.... - Benoni Defense (0)
      • A63 - 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 - Benoni Defense: Fianchetto Variation, Hastings Defense (0)
    • A64 - 1. d4 Nf6 2. c4 e6 3. g3 c5 4.... - Benoni Defense (0)
      • A64 - 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O a6 10. a4 Nbd7 11. Nd2 Re8 - Benoni Defense: Fianchetto Variation, Hastings Defense, Main Line (0)
    • A65 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 - Benoni Defense: King's Pawn Line (0)
    • A65 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Nge2 - Benoni Defense: King's Pawn Line, with Nge2 (1)
    • A67 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0)
      • A67 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ - Benoni Defense: Taimanov Variation (0)
    • A68 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0)
      • A68 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O - Benoni Defense: Four Pawns Attack (0)
    • A69 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0)
      • A69 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8 - Benoni Defense: Four Pawns Attack, Main Line (0)
    • A70 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (0)
      • A70 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 - Benoni Defense: Classical Variation (0)
      • A70 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 - Benoni Defense: Classical Variation, Traditional Variation (0)
      • A70 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. h3 - Benoni Defense: Classical Variation, New York Variation (0)
    • A71 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (0)
      • A71 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Bg5 - Benoni Defense: Classical Variation, Averbakh-Grivas Attack (0)
    • A72 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0)
      • A72 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O - Benoni Defense: Classical Variation (0)
    • A73 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0)
      • A73 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O - Benoni Defense: Classical Variation, Main Line (0)
    • A74 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0)
      • A74 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O a6 10. a4 - Benoni Defense: Classical Variation, Full Line (0)
    • A75 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (1)
      • A75 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O a6 10. a4 Bg4 - Benoni Defense: Classical Variation, Argentine Counterattack (1)
    • A76 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0)
      • A76 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 - Benoni Defense: Classical Variation, Czerniak Defense (0)
    • A77 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0)
      • A77 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 - Benoni Defense: Classical Variation, Czerniak Defense, Tal Line (0)
    • A78 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Benoni Defense (0)
      • A78 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6 - Benoni Defense: Classical Variation, Czerniak Defense (0)
    • A79 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4.... - Benoni Defense (0)
      • A79 - 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Re8 10. Nd2 Na6 11. f3 - Benoni Defense: Classical Variation, Czerniak Defense (0)
    • A80 - 1. d4 f5 - Dutch Defense (0)
    • A81 - 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4.... - Dutch Defense (1)
      • A81 - 1. d4 f5 2. g3 - Dutch Defense: Fianchetto Attack (0)
      • A81 - 1. d4 f5 2. g3 c6 3. Bg2 g6 4. Nf3 Bg7 5. O-O Nh6 - Dutch Defense: Leningrad, Basman System (0)
      • A81 - 1. d4 f5 2. g3 g6 3. Bg2 Bg7 4. Nh3 - Dutch Defense: Leningrad Variation, Carlsbad Variation (0)
      • A81 - 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. Nh3 - Dutch Defense: Blackburne Variation (0)
      • A81 - 1. d4 f5 2. g3 Nf6 3. Bg2 g6 - Dutch Defense: Semi-Leningrad Variation (1)
    • A82 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4.... - Dutch Defense (0)
      • A82 - 1. d4 f5 2. e4 - Dutch Defense: Staunton Gambit (0)
      • A82 - 1. d4 f5 2. e4 fxe4 - Dutch Defense: Staunton Gambit Accepted (0)
      • A82 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f3 - Dutch Defense: Blackmar's Second Gambit (0)
      • A82 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4 - Dutch Defense: Staunton Gambit, Tartakower Variation (0)
      • A82 - 1. d4 f5 2. e4 fxe4 3. Nd2 - Dutch Defense: Staunton Gambit, American Attack (0)
      • A82 - 1. e4 d6 2. d4 f5 - Rat Defense: Balogh Defense (0)
    • A83 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4.... - Dutch Defense (0)
      • A83 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 - Dutch Defense: Staunton Gambit (0)
      • A83 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 b6 - Dutch Defense: Staunton Gambit, Nimzowitsch Variation (0)
      • A83 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 c6 - Dutch Defense: Staunton Gambit, Chigorin Variation (0)
      • A83 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3 - Dutch Defense: Staunton Gambit, Lasker Variation (0)
      • A83 - 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. h4 - Dutch Defense: Staunton Gambit, Alekhine Variation (0)
    • A84 - 1. d4 f5 2. c4 - Dutch Defense (1)
      • A84 - 1. d4 f5 2. c4 e6 - Dutch Defense: Classical Variation (0)
      • A84 - 1. d4 f5 2. c4 e6 3. e4 - Dutch Defense: Bellon Gambit (0)
      • A84 - 1. d4 f5 2. c4 e6 3. Nc3 - Dutch Defense: Rubinstein Variation (0)
      • A84 - 1. d4 f5 2. c4 g6 3. Nc3 Nh6 - Dutch Defense: Bladel Variation (0)
      • A84 - 1. d4 f5 2. c4 Nf6 - Dutch Defense: Normal Variation (1)
      • A84 - 1. d4 f5 2. c4 Nf6 3. Nc3 d6 4. Nf3 Nc6 - Dutch Defense: Krause Variation (0)
    • A85 - 1. d4 f5 2. c4 Nf6 3. Nc3 - Dutch Defense (0)
    • A86 - 1. d4 f5 2. c4 Nf6 3. g3 - Dutch Defense (0)
      • A86 - 1. d4 f5 2. c4 Nf6 3. g3 d6 4. Bg2 c6 5. Nc3 Qc7 - Dutch Defense: Hort-Antoshin System (0)
      • A86 - 1. d4 f5 2. c4 Nf6 3. g3 g6 - Dutch Defense: Leningrad Variation (0)
    • A87 - 1. d4 f5 2. c4 Nf6 3. g3 g6 4.... - Dutch Defense (0)
      • A87 - 1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 - Dutch Defense: Leningrad Variation (0)
    • A88 - 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4.... - Dutch Defense (0)
      • A88 - 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 c6 - Dutch Defense: Leningrad Variation, Warsaw Variation (0)
    • A89 - 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4.... - Dutch Defense (0)
      • A89 - 1. d4 f5 2. g3 Nf6 3. Bg2 g6 4. Nf3 Bg7 5. O-O O-O 6. c4 d6 7. Nc3 Nc6 - Dutch Defense: Leningrad Variation, Matulovic Variation (0)
    • A90 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 - Dutch Defense: Classical Variation (2)
    • A90 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0)
      • A90 - 1. d4 f5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 d5 6. O-O Bd6 - Dutch Defense: Stonewall Variation, Modern Variation (0)
      • A90 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ - Dutch Defense: Nimzo-Dutch Variation (0)
      • A90 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+ 5. Bd2 Be7 - Dutch Defense: Nimzo-Dutch Variation, Alekhine Variation (0)
    • A91 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0)
      • A91 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 - Dutch Defense: Classical Variation (0)
      • A91 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nh3 - Dutch Defense: Classical Variation, Blackburne Attack (0)
    • A92 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0)
      • A92 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O - Dutch Defense: Classical Variation (0)
      • A92 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 - Dutch Defense: Stonewall Variation (0)
      • A92 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O Ne4 - Dutch Defense: Alekhine Variation (0)
    • A93 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0)
      • A93 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 - Dutch Defense: Stonewall Variation, Botvinnik Variation (0)
    • A94 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0)
      • A94 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. b3 c6 8. Ba3 - Dutch Defense: Stonewall Variation (0)
    • A95 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d5 7. Nc3 c6 - Dutch Defense: Stonewall Variation (0)
    • A96 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 - Dutch Defense: Classical Variation (0)
    • A97 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 - Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation (0)
    • A98 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0)
      • A98 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. Qc2 - Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Alatortsev-Lisitsyn Line (0)
    • A99 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4.... - Dutch Defense (0)
      • A99 - 1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d6 7. Nc3 Qe8 8. b3 - Dutch Defense: Classical Variation, Ilyin-Zhenevsky Variation, Modern Main Line (0)
  • SÉRIE B 1.e4 2.... (588)
    • B00 - 1. d4 d6 2. e4 g6 3. Nf3 Nf6 4. Bd3 (1)
    • B00 - 1. e4 - King's Pawn Game (14)
      • B00 - 1. e4 b6 2. - Owen Defense (2)
      • B00 - 1. e4 d6 2. d4 c6 3. Nc3 Qc7 (1)
      • B00 - 1. e4 d6 2. d4 c6 3. Nf3 (2)
      • B00 - 1. e4 d6 2. d4 Nf6 3. Nc3 e5 (2)
      • B00 - 1. e4 d6 2. g3 - Pirc Defense (1)
      • B00 - 1. e4 Nc6 2. Nf3 - Nimzowitsch Defense: Declined Variation (1)
      • B07-B09 1. e4 d6 2. d4 Nf6 3. Nc3 Pirc defence (5)
        • 1. e4 d6 2. d4 Nf6 3. Bd3 e5 - 1. e4 d6 2. d4 Nf6 3. Bd3 e5 - Pirc Defense (1)
        • B07 - 1. d4 g6 2. Nf3 Bg7 3. e4 d6 4. c3 Nf6 - Modern Defense: Geller's System (1)
        • B07 1. e4 d6 2. d4 Nf6 3. Nc3 Pirc defence (1)
          • B07 - 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd2 - Pirc Defense: 150 Attack (1)
        • B08 - 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 - Pirc Defense: Classical Variation (2)
        • B09 - 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 - Pirc Defense: Austrian Attack (0)
    • B00 - 1. Nf3 Nc6 (1)
    • B01 - 1. e4 d5 - Scandinavian Defense (6)
      • B01 - 1. e4 d5 2. b4 - Scandinavian Defense: Zilbermints Gambit (0)
      • B01 - 1. e4 d5 2. exd5 c6 - Scandinavian Defense: Blackburne-Kloosterboer Gambit (0)
      • B01 - 1. e4 d5 2. exd5 c6 3. dxc6 e5 - Scandinavian Defense: Kloosterboer Gambit (0)
      • B01 - 1. e4 d5 2. exd5 c6 3. dxc6 Nxc6 - Scandinavian Defense: Blackburne Gambit (0)
      • B01 - 1. e4 d5 2. exd5 e5 3. dxe6 Bxe6 - Scandinavian Defense: Boehnke Gambit (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 - Scandinavian Defense: Modern Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. c4 c6 - Scandinavian Defense: Panov Transfer (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. c4 e6 - Scandinavian Defense: Icelandic-Palme Gambit (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 - Scandinavian Defense: Portuguese Gambit (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Bb5+ c6 - Scandinavian Defense: Portuguese Gambit, Elbow Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Bb5+ Nbd7 5. Be2 - Scandinavian Defense: Portuguese Gambit, Lusophobe Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be2 - Scandinavian Defense: Portuguese Gambit, Wuss Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. c4 - Scandinavian Defense: Portuguese Gambit, Jadoul Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. Bb5+ Nbd7 6. Nc3 - Scandinavian Defense: Portuguese Gambit, Melbourne Shuffle Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. c4 - Scandinavian Defense: Portuguese Gambit, Banker Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. g4 - Scandinavian Defense: Portuguese Gambit, Correspondence Refutation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 - Scandinavian Defense: Portuguese Gambit, Classical Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 c6 4. dxc6 e5 - Scandinavian Defense: Kádas Gambit (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 g6 4. c4 b5 - Scandinavian Defense: Modern Variation, Wing Gambit (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 - Scandinavian Defense: Marshall Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb4 - Scandinavian Defense: Kiel Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg4 - Scandinavian Defense: Modern Variation, Gipslis Variation (0)
      • B01 - 1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g6 - Scandinavian Defense: Richter Variation (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 - Scandinavian Defense: Mieses-Kotroc Variation (1)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 - Scandinavian Defense: Main Line (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b4 - Scandinavian Defense: Main Line, Leonhardt Gambit (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 - Scandinavian Defense: Anderssen Counterattack (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. dxe5 Nc6 6. Nf3 Bb4 7. Bd2 - Scandinavian Defense: Anderssen Counterattack, Orthodox Attack (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 - Scandinavian Defense: Anderssen Counterattack, Goteborg System (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. Nf3 Bg4 - Scandinavian Defense: Anderssen Counterattack, Collijn Variation (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 - Scandinavian Defense: Main Line, Mieses Variation (1)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 - Scandinavian Defense: Classical Variation (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Ne5 c6 7. g4 - Scandinavian Defense: Grünfeld Variation (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h3 - Scandinavian Defense: Lasker Variation (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 - Scandinavian Defense: Gubinsky-Melts Defense (2)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c6 - Scandinavian Defense: Schiller-Pytel Variation (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Bc4 c6 6. Nge2 Bf5 7. Bf4 Qb4 - Scandinavian Defense: Schiller-Pytel Variation, Modern Variation (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a6 - Scandinavian Defense: Bronstein Variation (2)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 - Scandinavian Defense: Valencian Variation (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4 - Scandinavian Defense: Valencian Variation, Main Line (0)
      • B01 - 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 c6 - Scandinavian Defense: Valencian Variation, Ilundain Variation (0)
      • B01 - 1. e4 d5 2. Nc3 dxe4 3. Nxe4 e5 - Van Geet Opening: Grünfeld Defense (0)
    • B02 - 1. e4 Nf6 - Alekhine Defense (0)
    • B02 - 1. e4 Nf6 2. Bc4 - Alekhine Defense: Krejcik Variation (0)
    • B02 - 1. e4 Nf6 2. Bc4 Nxe4 3. Bxf7+ - Alekhine Defense: Krejcik Variation, Krejcik Gambit (0)
    • B02 - 1. e4 Nf6 2. d3 - Alekhine Defense: Maróczy Variation (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 - Alekhine Defense: Normal Variation (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. b3 - Alekhine Defense: Welling Variation (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. Bc4 Nb6 4. Bb3 c5 5. d3 - Alekhine Defense: Kmoch Variation (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. c4 - Alekhine Defense: Two Pawns Attack (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. a4 - Alekhine Defense: Two Pawns Attack, Tate Variation (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. b3 - Alekhine Defense: Steiner Variation (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 - Alekhine Defense: Two Pawns Attack, Lasker Variation (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 - Alekhine Defense: Hunt Variation, Lasker Simul Gambit (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 d6 - Alekhine Defense: Two Pawns Attack, Mikenas Variation (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 d6 7. Nxd5 exd5 8. Bxd5 - Alekhine Defense: Hunt Variation, Mikenas Gambit (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Nc3 Nxc3 6. dxc3 d6 7. Bg5 - Alekhine Defense: Hunt Variation, Matsukevich Gambit (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. c4 Nf4 - Alekhine Defense: The Squirrel (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. Na3 - Alekhine Defense: Buckley Attack (0)
    • B02 - 1. e4 Nf6 2. e5 Nd5 3. Nc3 - Alekhine Defense: Sämisch Attack (0)
    • B02 - 1. e4 Nf6 2. e5 Ne4 - Alekhine Defense: Mokele Mbembe (0)
    • B02 - 1. e4 Nf6 2. e5 Ne4 3. d4 e6 - Alekhine Defense: Mokele Mbembe, Vavra Defense (0)
    • B02 - 1. e4 Nf6 2. e5 Ne4 3. d4 f6 - Alekhine Defense: Mokele Mbembe, Modern Line (0)
    • B02 - 1. e4 Nf6 2. e5 Ng8 - Alekhine Defense: Brooklyn Variation (0)
    • B02 - 1. e4 Nf6 2. e5 Ng8 3. d4 f5 - Alekhine Defense: Brooklyn Variation, Everglades Variation (0)
    • B02 - 1. e4 Nf6 2. Nc3 d5 - Alekhine Defense: Scandinavian Variation (0)
    • B02 - 1. e4 Nf6 2. Nc3 d5 3. d3 dxe4 4. Bg5 - Alekhine Defense: Scandinavian Variation, Myers Gambit (0)
    • B02 - 1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e6 - Alekhine Defense: Spielmann Gambit (0)
    • B02 - 1. e4 Nf6 2. Nc3 d5 3. exd5 c6 - Alekhine Defense: Scandinavian Variation, Geschev Gambit (0)
    • B03 - 1. e4 Nf6 2. e5 Nd5 3. d4 - Alekhine Defense (3)
    • B03 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 - Alekhine Defense: Four Pawns Attack, Main Line (1)
    • B04 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4.... - Alekhine Defense (5)
      • B04 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 - Alekhine Defense: Modern Variation (0)
      • B04 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe5 - Alekhine Defense: Modern Variation, Larsen Variation (5)
      • B04 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 - Alekhine Defense: Modern Variation, Alburt Variation (0)
      • B04 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. a4 - Alekhine Defense: Modern Variation, Keres Variation (0)
      • B04 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb6 - Alekhine Defense: Modern Variation, Schmid Variation (0)
      • B04 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nc6 - Alekhine Defense: Modern Variation, Larsen-Haakert Variation (0)
    • B05 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4.... - Alekhine Defense (0)
      • B05 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 - Alekhine Defense: Modern Variation, Main Line (0)
      • B05 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 c6 - Alekhine Defense: Modern Variation, Flohr Variation (0)
      • B05 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4 - Alekhine Defense: Modern Variation, Alekhine Variation (0)
      • B05 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. c4 Nb6 6. d5 - Alekhine Defense: Modern Variation, Vitolins Attack (0)
      • B05 - 1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. h3 - Alekhine Defense: Modern Variation, Panov Variation (0)
    • B06 - 1. d4 g6 2. e4 Bg7 3. Nc3 d6 4. Bg5 h6 - Modern Defense: Standard Defense (1)
    • B06 - 1. e4 g6 - Modern Defense (3)
      • B06 - 1. e4 g6 2. d4 Bg7 3. Nc3 a6 (1)
      • B06 - 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 a6 5. g4 (1)
      • B06 - 1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nd7 (1)
    • B06 - 1. e4 g6 2. d4 Bg7 3. Nc3 d6 - Modern Defense: Standard Defense (1)
    • B06 - 1. e4 g6 2. d4 Bg7 3. Nf3 (2)
    • B06 - 1. e4 g6 2. d4 d6 3. Nc3 c6 - Rat Defense: Accelerated Gurgenidze (1)
    • B08 - 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 - Pirc Defense: Classical Variation, Quiet System (1)
    • B08 - 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O Nc6 - Pirc Defense: Classical Variation, Quiet System, Chigorin Line (2)
    • B10 - B19 1. e4 c6 Caro-Kann defence (80)
      • B10 - 1. e4 c6 - Caro-Kann Defense (16)
        • B10 - 1. e4 c6 2. Nc3 d5 3. Nf3 - Caro-Kann Defense: Two Knights Attack (4)
        • B10 - 1. e4 c6 2. Nf3 - Caro-Kann Defense (2)
        • B10 - 1. e4 c6 2. Nf3 d5 3. d3 - Caro-Kann Defense: Endgame Offer (10)
      • B11 - 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 - Caro-Kann Defense (5)
      • B12 - 1. e4 c6 2. d4 - Caro-Kann Defense (34)
        • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. c4 - Caro-Kann Defense: Advance Variation (1)
        • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4 (2)
        • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 - Caro-Kann Defense: Advance Variation, Tal Variation (4)
        • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 (5)
        • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 - Caro-Kann Defense: Advance Variation, Short Variation (12)
          • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 (11)
            • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 a5 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 (2)
            • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 a6 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 (2)
            • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 (1)
            • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 h6 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 (1)
            • B12 - 1. e4 c6 2. Nf3 d5 3. e5 Bf5 4. d4 e6 5. Be2 Ne7 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 (5)
          • B12 - 1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 (1)
        • B12 - 1. e4 c6 2. d4 d5 3. e5 c5 - Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense (7)
        • B12 - 1. e4 c6 2. d4 d5 3. f3 (1)
        • B12 - 1. e4 c6 2. d4 d6 - Caro-Kann defence (2)
      • B13 - 1. e4 c6 2. d4 d5 3. exd5 - Caro-Kann Defense: Exchange Variation (16)
        • B13 - 1. e4 c6 2. d4 d5 3. exd5 - Caro-Kann Defense: Exchange Variation (1)
        • B13 - 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 (9)
        • B13 - 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 - Caro-Kann Defense: Exchange Variation, Rubinstein Variation (1)
        • B13 - 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 (5)
      • B14 - 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 - Caro-Kann Defense: Panov Attack (0)
      • B15 - 1. e4 c6 2. d4 d5 3. Nc3 - Caro-Kann Defense (5)
        • B15 - 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 - Caro-Kann Defense: Tartakower Variation (5)
      • B16 - 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4.... - Caro-Kann Defense (0)
      • B17 - 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 - Caro-Kann Defense: Karpov Variation (1)
      • B18 - 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 - Caro-Kann Defense: Classical Variation (1)
      • B19 - 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 - Caro-Kann Defense: Classical Variation (2)
        • B19 - 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 - Caro-Kann Defense: Classical Variation, Spassky Variation (2)
    • B14 - 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 - Caro-Kann Defense: Panov Attack, Main Line (1)
    • B14 - 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g6 - Caro-Kann Defense: Panov Attack, Fianchetto Defense (1)
    • B20 - B99 - 1. e4 c5 - Sicilian Defense (464)
      • B20 - 1. e4 c5 - Sicilian Defense (0)
      • B20 - 1. e4 c5 2. a3 - Sicilian Defense: Mengarini Variation (0)
      • B20 - 1. e4 c5 2. a4 - Sicilian Defense: Myers Attack, with a4 (0)
      • B20 - 1. e4 c5 2. b3 - Sicilian Defense: Snyder Variation (0)
      • B20 - 1. e4 c5 2. b3 b6 - Sicilian Defense: Snyder Variation, Queen Fianchetto Variation (0)
      • B20 - 1. e4 c5 2. b3 d5 3. Bb2 - Sicilian Defense: Euwe Attack, Prins Gambit (0)
      • B20 - 1. e4 c5 2. b4 - Sicilian Defense: Wing Gambit (0)
      • B20 - 1. e4 c5 2. b4 cxb4 3. a3 - Sicilian Defense: Wing Gambit, Marshall Variation (0)
      • B20 - 1. e4 c5 2. b4 cxb4 3. a3 bxa3 - Sicilian Defense: Wing Gambit, Carlsbad Variation (0)
      • B20 - 1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Bb2 - Sicilian Defense: Wing Gambit, Marienbad Variation (0)
      • B20 - 1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. Bb2 Nc6 7. c4 Qe6 - Sicilian Defense: Wing Gambit, Romanian Defense (0)
      • B20 - 1. e4 c5 2. b4 cxb4 3. a3 d5 4. exd5 Qxd5 5. Nf3 e5 6. c4 Qe6 7. Bd3 - Sicilian Defense: Wing Gambit, Nanu Gambit (0)
      • B20 - 1. e4 c5 2. b4 cxb4 3. Bb2 - Sicilian Defense: Wing Gambit, Abrahams Variation (0)
      • B20 - 1. e4 c5 2. b4 cxb4 3. c4 - Sicilian Defense: Wing Gambit, Santasiere Variation (0)
      • B20 - 1. e4 c5 2. Bc4 - Sicilian Defense: Bowdler Attack (0)
      • B20 - 1. e4 c5 2. c4 - Sicilian Defense: Staunton-Cochrane Variation (0)
      • B20 - 1. e4 c5 2. c4 d6 3. Nc3 Nc6 4. g3 h5 - Sicilian Defense: Gloria Variation (0)
      • B20 - 1. e4 c5 2. d3 Nc6 3. c3 d6 4. f4 - Sicilian Defense: Big Clamp Formation (0)
      • B20 - 1. e4 c5 2. g3 - Sicilian Defense: Lasker-Dunne Attack (0)
      • B20 - 1. e4 c5 2. g4 - Sicilian Defense: Grob Variation (0)
      • B20 - 1. e4 c5 2. h4 - Sicilian Defense: Myers Attack, with h4 (0)
      • B20 - 1. e4 c5 2. Ke2 - Sicilian Defense: King David's Opening (0)
      • B20 - 1. e4 c5 2. Na3 - Sicilian Defense: Kronberger Variation (0)
      • B20 - 1. e4 c5 2. Na3 Nc6 3. d4 cxd4 4. Bc4 - Sicilian Defense: Kronberger Variation, Nemeth Gambit (0)
      • B20 - 1. e4 c5 2. Ne2 - Sicilian Defense: Keres Variation (0)
      • B20 - 1. e4 c5 2. Nh3 - Sicilian Defense: Brick Variation (0)
      • B20 - 1. e4 c5 2. Qg4 - Sicilian Defense: Amazon Attack (0)
      • B21 - 1. e4 c5 2. d4 - Sicilian Defense: Smith-Morra Gambit (3)
      • B21 - 1. e4 c5 2. f4 d5 3. Bb5 Bd7 4. Bxd7 Qxd7 - Sicilian Defense: McDonnell Attack (3)
      • B22 - 1. e4 c5 2. c3 - Sicilian Defense: Alapin Variation (2)
      • B22 - 1. e4 c5 2. c3 d5 3. exd5 Qxd5 - Sicilian Defense: Alapin Variation, Barmen Defense (7)
      • B22 - 1. e4 c5 2. c3 Nf6 - Sicilian (12)
        • B22 - 1. e4 c5 2. c3 Nf6 3. d3 - Sicilian (1)
        • B22 - 1. e4 c5 2. c3 Nf6 3. e5 - Sicilian (11)
          • B22 - 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Bc4 - Sicilian (4)
          • B22 - 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 - Sicilian (2)
          • B22 - 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. g3 - Sicilian (1)
          • B22 - 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 - Sicilian (4)
      • B22 - 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 - Sicilian Defense: Delayed Alapin Variation (5)
      • B22 - 1. e4 c5 2. Nf3 Nc6 3. c3 (2)
      • B23 - 1. e4 c5 2. Nc3 - Sicilian Defense (6)
      • B23 - 1. e4 c5 2. Nc3 Nc6 - Sicilian Defense: Closed, Traditional (5)
      • B23 - 1. e4 c5 2. Ne2 (1)
      • B24 - 1. e4 c5 2. Nc3 Nc6 3. g3 - Sicilian Defense: Closed, Fianchetto Variation (0)
      • B25 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 - Sicilian Defense: Closed (0)
      • B25 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 - Sicilian Defense: Closed, Botvinnik Defense, with f4 (0)
      • B25 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 Nge7 - Sicilian Defense: Closed, Botvinnik Defense, Edge Variation (0)
      • B25 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e5 - Sicilian Defense: Closed, Botvinnik Defense, with Nge2 (0)
      • B25 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4.... - Sicilian Defense (0)
      • B26 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 - Sicilian Defense: Closed (0)
      • B26 - 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4.... - Sicilian Defense (0)
      • B27 - 1. e4 c5 2. Nf3 - Sicilian Defense (0)
      • B27 - 1. e4 c5 2. Nf3 b5 - Sicilian Defense: Polish Gambit (0)
      • B27 - 1. e4 c5 2. Nf3 b6 - Sicilian Defense: Katalimov Variation (0)
      • B27 - 1. e4 c5 2. Nf3 e5 - Sicilian Defense: Jalalabad Variation (0)
      • B27 - 1. e4 c5 2. Nf3 f5 - Sicilian Defense: Brussels Gambit (0)
      • B27 - 1. e4 c5 2. Nf3 f5 3. exf5 Nh6 - Sicilian Defense: Double-Dutch Gambit (0)
      • B27 - 1. e4 c5 2. Nf3 g6 - Sicilian Defense: Hyperaccelerated Dragon (7)
      • B27 - 1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 Qa5 - Pterodactyl Defense: Western, Pterodactyl (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. c4 Bh6 - Sicilian Defense: Acton Extension (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 - Sicilian Defense: Hyperaccelerated Fianchetto (1)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 - Sicilian Defense: Hyperaccelerated Pterodactyl (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ - Pterodactyl Defense: Western, Rhamphorhynchus (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3 - Pterodactyl Defense: Sicilian, Rhamphorhynchus (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3 Bxc3+ 6. bxc3 - Pterodactyl Defense: Sicilian, Pteranodon (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc3 Bxc3+ 6. bxc3 Qxc3+ - Sicilian Defense: Hyperaccelerated Pterodactyl, Exchange Variation (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 - Modern Defense: Pterodactyl Variation (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Bd2 - Pterodactyl Defense: Sicilian, Unpin (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. Be3 - Pterodactyl Defense: Sicilian, Anhanguera (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. d5 - Pterodactyl Defense: Sicilian, Benoni Gambit (0)
      • B27 - 1. e4 c5 2. Nf3 g6 3. d4 f5 - Sicilian Defense: Frederico Variation (0)
      • B27 - 1. e4 c5 2. Nf3 h6 - Sicilian Defense: Bücker Variation (0)
      • B27 - 1. e4 c5 2. Nf3 Qa5 - Sicilian Defense: Mongoose Variation (0)
      • B27 - 1. e4 c5 2. Nf3 Qc7 - Sicilian Defense: Quinteros Variation (0)
      • B28 - 1. e4 c5 2. Nf3 a6 - Sicilian Defense: O'Kelly Variation (2)
      • B29 - 1. e4 c5 2. Nf3 Nf6 - Sicilian Defense: Nimzowitsch Variation (0)
      • B30 - B39 1.e4 c5 2. Nf3 Nc6 Sicilian defence (100)
        • B30 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 - Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation (0)
        • B30 - 1. e4 c5 2. Nf3 Nc6 - Sicilian Defense: Old Sicilian (7)
        • B30 - 1. e4 c5 2. Nf3 Nc6 3. b4 - Sicilian Defense: Portsmouth Gambit (0)
        • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 - Sicilian Defense: Nyezhmetdinov-Rossolimo Attack (46)
          • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 (9)
          • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 (3)
          • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (19)
            • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (3)
            • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. c3 d5 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (1)
            • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nd4 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (1)
            • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (14)
              • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. c3 a6 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (2)
              • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (4)
              • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Nc3 Ng6 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (1)
              • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 a6 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (2)
              • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 b6 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (1)
              • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 h6 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (2)
              • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 Nd4 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (1)
              • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. O-O Nge7 5. Re1 Ng6 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 (1)
          • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 h6 (3)
          • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 (12)
            • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Bxc6 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 (7)
            • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 (5)
        • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 4. b4 - Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, San Francisco Gambit (0)
        • B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nb8 - Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Brooklyn Retreat Defense (0)
        • B30 - 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 - Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 (3)
        • B30 - 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 6. Nd2 Bg5 - Sicilian Defense: Closed, Anti-Sveshnikov Variation, Kharlov-Kramnik Line (0)
        • B30 - 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 Nf6 - Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 (0)
        • B30 - 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4.... - Sicilian Defense (0)
        • B31 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 - Sicilian Defense (17)
          • B31 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 - Sicilian Defense (5)
          • B31 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 - Sicilian Defense (1)
          • B31 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O - Sicilian Defense (11)
            • B31 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Bxc6 - Sicilian Defense (1)
            • B31 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 - Sicilian Defense (1)
            • B31 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. d3 - Sicilian Defense (3)
            • B31 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. h3 - Sicilian Defense (1)
            • B31 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 - Sicilian Defense (5)
        • B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 - Sicilian Defense: Open (0)
        • B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. c4 e5 - Sicilian Defense: O'Kelly Variation, Maróczy Bind, Geller Line (0)
        • B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d5 - Sicilian Defense: Nimzo-American Variation (0)
        • B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 - Sicilian Defense: Löwenthal Variation (0)
        • B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 - Sicilian Defense: Kalashnikov Variation (3)
        • B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 - Sicilian Defense: Accelerated Dragon (0)
        • B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 - Sicilian Defense: Godiva Variation (0)
        • B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 - Sicilian Defense: Flohr Variation (0)
        • B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
          • Sicilian Defense: Kalashnikov Variation (0)
        • B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 e6 - Sicilian Defense: Franco-Sicilian Variation (0)
        • B33 - 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Nd5 (4)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 - Sicilian Defense: Open (0)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 - Sicilian Defense: Lasker-Pelikan Variation (2)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 - Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation (0)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 - Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation (4)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg7 - Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Varia (0)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 11. Bxb5 - Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypki (0)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 - Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation (5)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 Be6 - Sicilian Defense: Lasker-Pelikan Variation, Bird Variation (0)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 - Sicilian Defense: Lasker-Pelikan Variation, Retreat Variation (0)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 - Sicilian Defense: Lasker-Pelikan Variation, Exchange Variation (0)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bc5 - Sicilian Defense: Four Knights Variation, Cobra Variation (1)
        • B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B34 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 - Sicilian Defense: Accelerated Dragon, Modern Variation (1)
        • B34 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc6 - Sicilian Defense: Accelerated Dragon, Exchange Variation (0)
        • B34 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B35 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 - Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation (3)
        • B35 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 - Sicilian Defense: Dragon Variation, Modern Bc4 Variation (0)
        • B35 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
          • Sicilian (0)
        • B36 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 - Sicilian Defense: Accelerated Dragon, Maróczy Bind (1)
        • B36 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 - Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation (2)
        • B36 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B37 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 - Sicilian Defense: Accelerated Dragon, Maróczy Bind (0)
        • B37 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Be2 Nh6 - Sicilian Defense: Accelerated Dragon, Simagin Variation (0)
        • B37 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B38 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 - Sicilian Defense: Accelerated Dragon, Maróczy Bind (1)
        • B38 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B39 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 - Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation (0)
        • B39 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
      • B40 - B49 1. e4 c5 2. Nf3 e6 Sicilian defence (65)
        • B40 - 1. e4 c5 2. Nf3 e6 3. b3 - Sicilian Defense: French Variation, Westerinen Attack (4)
        • B40 - 1. e4 c5 2. Nf3 e6 3. b4 - Sicilian Defense: Wing Gambit Deferred (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. c3 - Sicilian Defense: Delayed Alapin Variation, with e6 (5)
        • B40 - 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 Nc6 - Sicilian Defense: Alapin Variation, Sherzer Variation (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4.... - Sicilian Defense (16)
          • B40 - 1. e4 c5 2. Nf3 e6 - Sicilian Defense: French Variation (16)
            • B40 - 1. e4 c5 2. Nf3 e6 3. Be2 - Sicilian Defense: French Variation (1)
            • B40 - 1. e4 c5 2. Nf3 e6 3. d3 - Sicilian Defense: French Variation (6)
            • B40 - 1. e4 c5 2. Nf3 e6 3. g3 - Sicilian Defense: French Variation (7)
            • B40 - 1. e4 c5 2. Nf3 e6 3. h3 - Sicilian Defense: French Variation (1)
            • B40 - 1. e4 c5 2. Nf3 e6 3. Nc3 - Sicilian Defense: French Variation (1)
        • B40 - 1. e4 c5 2. Nf3 e6 3. c4 - Sicilian Defense: Kramnik Variation (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 a6 - Sicilian Defense: Drazic Variation (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 - Sicilian Defense: French Variation, Open (1)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. c3 - Sicilian Defense: Smith-Morra Gambit Deferred (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Bc5 - Sicilian Defense: Paulsen-Basman Defense (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 - Sicilian Defense: French Variation, Normal (1)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 - Sicilian Defense: Pin Variation (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bd3 e5 - Sicilian Defense: Pin Variation, Jaffe Variation (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e5 - Sicilian Defense: Pin Variation, Koch Variation (3)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Qd3 - Sicilian Defense: Four Knights Variation (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Qb6 - Sicilian Defense: Gaw-Paw Variation (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6 - Sicilian Defense: Kveinis Variation (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. d4 d5 - Sicilian Defense: Marshall Counterattack (0)
        • B40 - 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b5 5. d4 cxd4 6. Nxd4 - Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation (1)
        • B40-B49 1. e4 c5 2. Nf3 e6 Sicilian Defense: French Variation (0)
        • B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 - Sicilian Defense: Kan Variation (1)
        • B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 - Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation (1)
        • B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 g6 - Sicilian Defense: Kan Variation, Maróczy Bind, Hedgehog Variation (1)
        • B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 - Sicilian Defense: Kan Variation, Maróczy Bind, Bronstein Variation (0)
        • B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Bb4 7. Bd3 Nc6 8. Bc2 - Sicilian Defense: Kan Variation, Maróczy Bind, Bronstein Variation (0)
        • B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B42 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 - Sicilian Defense: Kan Variation, Modern Variation (2)
        • B42 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 - Sicilian Defense: Kan Variation, Polugaevsky Variation (0)
        • B42 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6 - Sicilian Defense: Kan Variation, Swiss Cheese Variation (0)
        • B42 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 g6 - Sicilian Defense: Kan Variation, Gipslis Variation (0)
        • B42 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B43 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 - Sicilian Defense: Kan Variation, Knight Variation (0)
        • B43 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 - Sicilian Defense: Kan Variation, Wing Attack (1)
        • B43 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Be3 Bc5 8. Qg4 - Sicilian Defense: Kan Variation, Wing Attack, Christiansen's Dream (0)
        • B43 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5 6. Bd3 Qb6 7. Nf3 - Sicilian Defense: Kan Variation, Wing Attack, Spraggett Attack (0)
        • B43 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B44 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 - Sicilian Defense: Taimanov Variation (1)
        • B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 - Sicilian Defense: Taimanov Variation (1)
        • B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 - Sicilian Defense: Four Knights Variation (9)
        • B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bb4 7. Nd6+ - Sicilian Defense: Four Knights Variation, American Attack (0)
        • B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 - Sicilian Defense: Four Knights Variation, Exchange Variation (7)
          • B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 - Sicilian Defense: Four Knights Variation, Exchange Variation (7)
        • B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B46 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 - Sicilian Defense: Taimanov Variation (1)
        • B46 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B47 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 - Sicilian Defense: Taimanov Variation, Bastrikov Variation (4)
        • B47 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 a6 8. Bb6 - Sicilian Defense: Taimanov Variation, Bastrikov Variation, Ponomariov Gambit (0)
        • B48 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 - Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack (5)
        • B48 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B49 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 - Sicilian Defense: Taimanov Variation, Bastrikov Variation (0)
        • B49 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
      • B50-B59 Sicilian 1. e4 c5 2. Nf3 d6 (116)
        • B50 - 1. e4 c5 2. Nf3 d6 - Sicilian Defense: Modern Variations (17)
          • B50 - 1. e4 c5 2. Nf3 d6 3. Bc4 - Sicilian Defense: Modern Variations (5)
          • B50 - 1. e4 c5 2. Nf3 d6 3. h3 - Sicilian Defense: Modern Variations (1)
          • B50 - 1. e4 c5 2. Nf3 d6 3. Nc3 - Sicilian Defense: Modern Variations (11)
            • B50 - 1. e4 c5 2. Nf3 d6 3. Nc3 a6 - Sicilian Defense: Modern Variations (2)
            • B50 - 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 - Sicilian Defense: Modern Variations (9)
        • B50 - 1. e4 c5 2. Nf3 d6 3. b4 - Sicilian Defense: Wing Gambit, Deferred Variation (2)
        • B50 - 1. e4 c5 2. Nf3 d6 3. Bc4 - Sicilian Defense: Modern Variations (12)
          • B50 - 1. e4 c5 2. Nf3 d6 3. Bc4 e6 - Sicilian Defense: Modern Variations (1)
          • B50 - 1. e4 c5 2. Nf3 d6 3. Bc4 Nc6 - Sicilian Defense: Modern Variations (1)
          • B50 - 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 - Sicilian Defense: Modern Variations (10)
        • B50 - 1. e4 c5 2. Nf3 d6 3. c3 - Sicilian Defense: Delayed Alapin Variation, with d6 (11)
          • B50 - 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 - Sicilian Defense: Delayed Alapin Variation, with d6 (8)
          • B50 - 1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. h3 - Sicilian Defense: Delayed Alapin Variation, with d6 (3)
        • B51 - 1. e4 c5 2. Nf3 d6 3. Bb5+ - Sicilian Defense: Moscow Variation (26)
          • B51 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. a4 - Sicilian Defense: Moscow Variation (4)
          • B51 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. Ba4 - Sicilian Defense: Moscow Variation (5)
          • B51 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c3 - Sicilian Defense: Moscow Variation (2)
          • B51 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. c4 - Sicilian Defense: Moscow Variation (2)
          • B51 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d4 - Sicilian Defense: Moscow Variation (9)
          • B51 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. O-O - Sicilian Defense: Moscow Variation (4)
        • B52 - 1. e4 c5 2. Nf3 d6 3. Bb5 Bd7 4. Bxd7 Nxd7 (8)
        • B52 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 - Sicilian Defense: Moscow Variation, Main Line (11)
          • B52 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bc4 - Sicilian Defense: Moscow Variation, Main Line (1)
          • B52 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Be2 - Sicilian Defense: Moscow Variation, Main Line (1)
          • B52 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ - Sicilian Defense: Moscow Variation, Main Line (3)
          • B52 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. c4 - Sicilian Defense: Moscow Variation, Main Line (6)
        • B52 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 - Sicilian Defense: Moscow Variation, Sokolsky Variation (5)
        • B52 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O - Sicilian Defense: Moscow Variation, Main Line (3)
        • B52 - 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d4 - Sicilian Defense: Moscow Variation, Haag Gambit (0)
        • B53 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 - Sicilian Defense: Chekhover Variation (4)
        • B53 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Qd7 - Sicilian Defense: Chekhover Variation, Zaitsev Defense (0)
        • B53 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B54 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g6 - Sicilian Defense: Dragon Variation, Accelerated Dragon (0)
        • B54 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 - Sicilian Defense: Modern Variations, Main Line (2)
        • B54 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bc4 - Sicilian Defense: Modern Variations, Ginsberg Gambit (3)
        • B54 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 - Sicilian Defense: Prins Variation (5)
        • B54 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B55 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Bb5+ - Sicilian Defense: Prins Variation, Venice Attack (0)
        • B55 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B56 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bd7 - Sicilian Defense: Kupreichik Variation (0)
        • B56 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Bb5+ - Sicilian Defense: Venice Attack (2)
        • B56 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 - Sicilian Defense: Classical Variation (2)
        • B56 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. g3 - Sicilian Defense: Classical Variation, Fianchetto Variation (0)
        • B56 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B56 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bd3 - Sicilian Defense: Yates Variation (0)
        • B56 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Nde2 - Sicilian Defense: Spielmann Variation (0)
        • B57 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 - Sicilian Defense: Classical Variation, Sozin Attack (1)
        • B57 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 g6 7. Nxc6 bxc6 8. e5 - Sicilian Defense: Magnus Smith Trap (0)
        • B57 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 - Sicilian Defense: Classical Variation, Anti-Sozin Variation (2)
        • B57 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B58 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 - Sicilian Defense: Classical Variation (0)
        • B58 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 - Sicilian Defense: Boleslavsky Variation (0)
        • B58 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Nxd4 7. Qxd4 g6 - Sicilian Defense: Classical Variation, Dragon Transfer (0)
        • B58 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B58 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nxc6 - Sicilian Defense: Boleslavsky Variation, Louma Variation (0)
        • B59 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb3 - Sicilian Defense: Boleslavsky Variation (0)
        • B59 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
      • B60-B69 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Sicilian, Richter-Rauzer (11)
        • B60 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 - Sicilian Defense: Richter-Rauzer Variation (0)
        • B60 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd7 - Sicilian Defense: Richter-Rauzer Variation, Modern Variation (2)
        • B60 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B60 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 g6 - Sicilian Defense: Richter-Rauzer Variation, Dragon Variation (0)
        • B61 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 - Sicilian Defense: Richter-Rauzer Variation, Modern Variation (0)
        • B61 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B62 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 - Sicilian Defense: Richter-Rauzer Variation (1)
        • B62 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Bb5 - Sicilian Defense: Richter-Rauzer Variation, Vitolins Variation (0)
        • B62 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nxc6 - Sicilian Defense: Richter-Rauzer Variation, Exchange Variation (0)
        • B62 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B62 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Nb3 - Sicilian Defense: Richter-Rauzer Variation, Podebrady Variation (0)
        • B63 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 - Sicilian Defense: Richter-Rauzer Variation, Traditional Variation (1)
        • B64 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 e5 - Sicilian Defense: Richter-Rauzer Variation, Classical Variation (0)
        • B64 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B65 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 - Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack (0)
        • B65 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4 10. Qxd4 - Sicilian Defense: Richter-Rauzer Variation, Classical Variation (0)
        • B65 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B66 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (2)
          • B66 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 - Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations (2)
        • B67 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 - Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation (4)
        • B67 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B68 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 - Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation (0)
        • B68 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B69 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 - Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdi (1)
        • B69 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
      • B70-B79 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 Sicilian, dragon variation (8)
        • B70 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 - Sicilian Defense: Dragon Variation (2)
        • B71 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 - Sicilian Defense: Dragon Variation, Levenfish Variation (0)
        • B72 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 - Sicilian Defense: Dragon Variation (2)
        • B72 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 g6 7. Be3 Bg7 8. Qd2 O-O 9. O-O-O - Sicilian Defense: Dragon Variation, Classical Variation, Grigoriev Variation (1)
        • B73 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O Nc6 8. Be3 - Sicilian Defense: Dragon Variation, Classical Variation (1)
        • B74 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Nb3 - Sicilian Defense: Dragon Variation, Classical Variation, Normal Line (0)
        • B75 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 - Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations (0)
        • B76 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O - Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line (1)
        • B76 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O - Sicilian Defense: Dragon Variation, Yugoslav Attack (1)
        • B77 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 - Sicilian Defense: Dragon Variation, Yugoslav Attack (0)
        • B78 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O - Sicilian Defense: Dragon Variation, Yugoslav Attack (0)
        • B79 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. h4 Qa5 11. O-O-O Rfc8 12. Bb3 - Sicilian Defense: Dragon Variation, Yugoslav Attack (0)
      • B80-B85 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 Sicilian, Scheveningen variation (5)
        • B80 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd2 - Sicilian Defense: Scheveningen Variation, English Attack, with Qd2 (0)
        • B80 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 - Sicilian Defense: Scheveningen Variation (0)
        • B80 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bb5+ - Sicilian Defense: Scheveningen Variation, Vitolins Variation (0)
        • B80 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g3 - Sicilian Defense: Scheveningen Variation, Fianchetto Variation (0)
        • B80 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B81 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 - Sicilian Defense: Scheveningen Variation, Keres Attack (1)
        • B81 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B82 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 - Sicilian Defense: Scheveningen Variation, Matanovic Attack (0)
        • B82 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f4 Nc6 7. Be3 Be7 8. Qf3 - Sicilian Defense: Scheveningen Variation, Tal Variation (0)
        • B82 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B83 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 d6 6. Be2 Nf6 - Sicilian Defense: Scheveningen Variation, Modern Variation (0)
        • B83 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 - Sicilian Defense: Scheveningen Variation, Classical Variation (0)
        • B83 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B84 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 - Sicilian Defense: Scheveningen Variation, Classical Variation (0)
        • B84 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. O-O Nbd7 - Sicilian Defense: Najdorf Variation, Scheveningen Variation (0)
        • B84 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B85 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e6 7. Be2 Qc7 8. O-O Nc6 - Sicilian Defense: Scheveningen Variation, Classical Variation, Paulsen Variation (0)
        • B85 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6 7. O-O Nf6 8. Be3 Be7 9. f4 d6 10. Qe1 O-O - Sicilian Defense: Scheveningen Variation, Classical Main Line (1)
        • B85 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B86 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 - Sicilian Defense: Sozin Attack (0)
        • B86 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B87 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 - Sicilian Defense: Sozin Attack, Flank Variation (0)
        • B87 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B88 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 - Sicilian Defense: Sozin Attack, Leonhardt Variation (0)
        • B88 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Bb3 Be7 8. Be3 O-O 9. f4 - Sicilian Defense: Sozin Attack, Fischer Variation (0)
        • B88 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B89 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 - Sicilian Defense: Sozin Attack, Main Line (3)
      • B90-B99 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 Sicilian, Najdorf (103)
        • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (71)
          • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 - Sicilian Defense: Najdorf Variation (66)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a3 - Sicilian Defense: Najdorf Variation (2)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 - Sicilian Defense: Najdorf Variation (2)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 - Sicilian Defense: Najdorf Variation, Lipnitsky Attack (7)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 - Sicilian Defense: Najdorf Variation (12)
              • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 - Sicilian Defense: Najdorf Variation (8)
              • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 g6 - Sicilian Defense: Najdorf Variation (3)
              • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 Nc6 - Sicilian Defense: Najdorf Variation (1)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 - Sicilian Defense: Najdorf Variation, English Attack (14)
              • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 - Sicilian Defense: Najdorf Variation, English Attack (12)
                • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 - Sicilian Defense: Najdorf Variation, English Attack (5)
                • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 - Sicilian Defense: Najdorf Variation, English Attack (7)
              • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 - Sicilian Defense: Najdorf Variation, English Attack (2)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 - Sicilian Defense: Scheveningen Variation, English Attack, with f3 (0)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 - Sicilian Defense: Scheveningen Variation, Delayed Keres Attack (0)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5 - Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit (0)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 - Sicilian Defense: Najdorf Variation, English Attack, Anti-English (4)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 - Sicilian Defense: Najdorf Variation (3)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g4 - Sicilian Defense: Najdorf Variation, Dekker Gambit (0)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 - Sicilian Defense: Najdorf Variation, Adams Attack (15)
              • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 g6 - Sicilian Defense: Najdorf Variation, Adams Attack (1)
              • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 Nc6 - Sicilian Defense: Najdorf Variation, Adams Attack (1)
              • B90 - 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. h3 e5 - Sicilian Defense: Najdorf Variation, Adams Attack (9)
              • B90 - 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. Nc3 cxd4 5. Nxd4 a6 6. h3 e6 - Sicilian Defense: Najdorf Variation, Adams Attack (4)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 - Sicilian Defense: Najdorf Variation (6)
            • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 - Sicilian Defense: Najdorf Variation, Freak Attack (1)
          • B90 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qd3 (5)
          • Sicilian (0)
        • B91 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 - Sicilian Defense: Najdorf Variation, Zagreb Variation (8)
        • B91 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B92 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 - Sicilian Defense: Najdorf Variation, Opocensky Variation (11)
          • B92 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 - Sicilian Defense: Najdorf Variation, Opocensky Variation (4)
          • B92 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. h4 - Sicilian Defense: Najdorf Variation, Opocensky Variation (1)
          • B92 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O - Sicilian Defense: Najdorf Variation, Opocensky Variation (5)
          • B92 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Qd3 - Sicilian Defense: Najdorf Variation, Opocensky Variation (1)
        • B93 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 - Sicilian Defense: Najdorf Variation, Amsterdam Variation (2)
        • B93 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B94 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 - Sicilian Defense: Najdorf Variation (2)
        • B95 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (6)
          • B95 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 - Sicilian Defense: Najdorf Variation (6)
        • B96 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 - Sicilian Defense: Najdorf Variation (2)
        • B96 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 - Sicilian Defense: Najdorf Variation, Polugaevsky Variation (0)
        • B96 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 b5 8. e5 dxe5 9. fxe5 Qc7 10. Qe2 - Sicilian Defense: Najdorf Variation, Polugaevsky Variation, Simagin Line (0)
        • B96 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nc6 - Sicilian Defense: Najdorf Variation, Neo-Classical Defense (0)
        • B96 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B97 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 - Sicilian Defense: Najdorf Variation, Poisoned Pawn Variation (0)
        • B97 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 - Sicilian Defense: Najdorf Variation, Poisoned Pawn Accepted (1)
        • B97 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B98 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 - Sicilian Defense: Najdorf Variation (0)
        • B98 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 g5 - Sicilian Defense: Najdorf Variation, Goteborg Variation (0)
        • B98 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7 - Sicilian Defense: Najdorf Variation, Browne Variation (0)
        • B98 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 - Sicilian Defense: Najdorf Variation, Traditional Line (0)
        • B98 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
        • B99 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7 - Sicilian Defense: Najdorf Variation, Main Line (0)
        • B99 - 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4.... - Sicilian Defense (0)
  • SÉRIE C (840)
    • C00-C19 1. e4 e6 French defence (89)
      • C00 - 1. e4 e6 - French Defense (4)
      • C00 - 1. e4 e6 2. c4 - French Defense: Steiner Variation (1)
      • C01 - 1. e4 e6 2. d4 d5 3. exd5 - French Defense: Exchange Variation (15)
        • C01 - 1. e4 e6 2. d4 d5 3. exd5 - French Defense: Exchange Variation (1)
        • C01 - 1. e4 e6 2. d4 d5 3. exd5 exd5 4. h3 - French Defense: Exchange Variation (1)
        • C01 - 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 - French Defense: Exchange Variation (7)
        • C01 sdfgsdfg- 1. e4 e6 2. d4 d5 3. exd5 - French Defense (6)
      • C02 - 1. e4 e6 2. d4 d5 3. e5 - French Defense: Advance Variation (19)
        • C02 - 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 - French Defense: Advance Variation, Euwe Variation (8)
        • C02 - 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Nge7 (2)
        • C02 - 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 - French Defense: Advance Variation, Main Line (1)
        • C02 - 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh6 - French Defense: Advance Variation, Lputian Variation (3)
        • C02 - 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a4 (1)
        • C02 - 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 (1)
        • C02 - 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 (1)
        • C02 - 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. g3 (1)
        • C02 - 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qa5 (1)
      • C03 - 1. e4 e6 2. d4 d5 3. Nd2 - French Defense: Tarrasch Variation (1)
      • C04 - 1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 - French Defense: Tarrasch Variation, Guimard Defense, Main Line (0)
      • C05 - 1. e4 e6 2. d4 d5 3. Nd2 Nf6 - French Defense: Tarrasch Variation, Closed Variation (1)
      • C06 - 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 - French Defense: Tarrasch Variation, Closed Variation, Main Line (0)
      • C07 - 1. e4 e6 2. d4 d5 3. Nd2 c5 - French Defense: Tarrasch Variation, Open System (7)
      • C08 - 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 - French Defense: Tarrasch Variation, Open System (0)
      • C09 - 1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 - French Defense: Tarrasch Variation, Open System, Main Line (0)
      • C10 - 1. e4 e6 2. d4 d5 3. Nc3 - French Defense: Paulsen Variation (5)
      • C11 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 - French Defense (24)
        • C11 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 - French Defense: Classical Variation, Burn Variation (2)
        • C11 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 - French Defense: Classical Variation, Steinitz Variation (5)
        • C11 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 - French Defense: Steinitz Variation, Boleslavsky Variation (14)
          • C11 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 - French Defense: Steinitz Variation, Boleslavsky Variation (5)
          • C11 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 - French Defense: Steinitz Variation, Boleslavsky Variation (4)
          • C11 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 cxd4 - French Defense: Steinitz Variation, Boleslavsky Variation (4)
          • C11 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Qc7 - French Defense: Steinitz Variation, Boleslavsky Variation (1)
        • C11 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 - French Defense: Classical Variation, Shirov-Anand Variation (3)
      • C12 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 - French Defense: McCutcheon Variation (1)
      • C13 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 - French Defense: Classical Variation, Normal Variation (0)
      • C13 - 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 - French Defense: Classical Variation (1)
      • C14 - 1. e4 e6 2. d4 d5 3. Nc3 a6 4. Nf3 Nf6 5. e5 Nfd7 6. Bg5 - French Defense: Classical Variation (0)
      • C15 - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 - French Defense: Winawer Variation (1)
        • C15 - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd5 - French Defense: Winawer Variation, Delayed Exchange Variation (1)
      • C15 - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 - French Defense: Winawer Variation (1)
      • C16 - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 - French Defense: Winawer Variation, Advance Variation (0)
      • C17 - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 - French Defense: Winawer Variation, Advance Variation (5)
      • C18 - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 - French Defense: Winawer Variation, Advance Variation (2)
      • C19 - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3 6. bxc3 Ne7 7. h4 (0)
      • C19 - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 - French Defense: Winawer Variation, Positional Variation (0)
      • C19 - 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3 6. bxc3 c5 7. a4 (1)
    • C20-C29 King's pawn game 1. e4 e5 (42)
      • C20 - 1. e4 e5 - King's Pawn Game (9)
      • C21 - 1. e4 e5 2. d4 exd4 - Center Game Accepted (0)
      • C22 - 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qc4 - Center Game: Hall Variation (1)
        • C22 - 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf6 - Center Game: Berger Variation (1)
      • C23 - 1. e4 e5 2. Bc4 - Bishop's Opening (0)
      • C24 - 1. e4 e5 2. Bc4 Nf6 - Bishop's Opening (16)
        • C24 - 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 - Bishop's Opening (1)
        • C24 - 1. e4 e5 2. Bc4 Nf6 3. d3 c6 - Bishop's Opening (10)
        • C24 - 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 - Bishop's Opening (3)
        • C24 - 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 - Bishop's Opening: Vienna Hybrid (2)
      • C25 - 1. e4 e5 2. Nc3 - Vienna Game (2)
      • C26 - 1. e4 e5 2. Bc4 Nf6 3. Nc3 (7)
        • C26 - 1. e4 e5 2. Bc4 Nf6 3. Nc3 Bb4 - Vienna Game: Stanley Variation, Reversed Spanish (1)
        • C26 - 1. e4 e5 2. Nc3 Nf6 3. a3 - Vienna Game: Mengarini Variation (1)
        • C26 - 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 - 1. e4 e5 2. Bc4 Nf6 3. Nc3 (3)
        • C26 - 1. e4 e5 2. Nc3 Nf6 3. g3 - Vienna Game: Mieses Variation (2)
      • C26 - 1. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d3 - Bishop's Opening: Vienna Hybrid, Spielmann Attack (2)
      • C26 - 1. e4 e5 2. Nc3 Nf6 3. d4 exd4 4. Qxd4 Nc6 - Vienna Game: Falkbeer Variation (3)
      • C27 - 1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4 - Vienna Game: Frankenstein-Dracula Variation (1)
      • C28 - 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 - Vienna Game: Stanley Variation, Three Knights Variation (0)
      • C29 - 1. e4 e5 2. Nc3 Nf6 3. f4 - Vienna Game: Vienna Gambit (1)
    • C30-C39 1. e4 e5 2. f4 King's gambit (1)
      • C30 - 1. e4 e5 2. f4 - King's Gambit (0)
      • C31 - 1. e4 e5 2. f4 d5 - King's Gambit Declined (0)
      • C32 - 1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 - King's Gambit Declined: Falkbeer Countergambit, Charousek Gambit Accepted (0)
      • C33 - 1. e4 e5 2. f4 exf4 - King's Gambit Accepted (0)
      • C34 - 1. e4 e5 2. f4 exf4 3. Nf3 d6 - King's Gambit Accepted: Fischer Defense (0)
      • C34 - 1. e4 e5 2. f4 exf4 3. Nf3 Nc6 - King's Gambit Accepted: MacLeod Defense (1)
      • C35 - 1. e4 e5 2. f4 exf4 3. Nf3 Be7 - King's Gambit Accepted (0)
      • C36 - 1. e4 e5 2. f4 exf4 3. Nf3 d5 - King's Gambit Accepted: Modern Defense (0)
      • C37 - 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 - King's Gambit Accepted: King's Knight's Gambit (0)
      • C38 - 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 - King's Gambit Accepted: Traditional Variation (0)
      • C39 - 1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 - King's Gambit Accepted: King's Knight's Gambit (0)
    • C40-C49 King's knight opening (196)
      • 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. dxe5 - Petrov's Defense: Modern Attack (2)
      • C40 - 1. e4 e5 2. Nf3 Bc5 - King's Pawn Game: Busch-Gass Gambit (0)
      • C40 - 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 - Petrov's Defense: Modern Attack, Center Attack (0)
      • C41 - 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 - Philidor Defense: Lion Variation (9)
      • C41 - 1. e4 e5 2. Nf3 d6 - Philidor Defense (4)
        • C41 - 1. e4 d6 2. d4 e5 3. Nf3 exd4 4. Nxd4 Nf6 - Philidor Defense: Exchange Variation (4)
        • C41 - 1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Ng5 - Philidor Defense: Nimzowitsch, Locock Variation (0)
      • C42 – 1. e4 e5 2. Nf3 Nf6 – Petrov’s Defense xx (73)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. d3 - Petrov's Defense (1)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc4 - Petrov's Defense: Paulsen Attack (5)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nd3 (2)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd3 - Petrov's Defense: Millennium Attack (7)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d3 - Petrov's Defense: French Attack (4)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 - Petrov's Defense: Classical Attack, Marshall Variation (16)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. c5 - Petrov's Defense: Classical Attack, Marshall Variation (1)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Nc3 - Petrov's Defense: Classical Attack, Marshall Variation (3)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Qc2 - Petrov's Defense: Classical Attack, Marshall Variation (2)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Re1 - Petrov's Defense: Classical Attack, Marshall Variation (8)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. Re1 Bf5 9. c4 - Petrov's Defense: Classical Attack, Marshall Variation (1)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. Re1 Bf5 9. Nc3 - Petrov's Defense: Classical Attack, Marshall Variation (1)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 - Petrov's Defense: Classical Attack (12)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Bf5 - Petrov's Defense: Classical Attack (5)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 - Petrov's Defense: Classical Attack (7)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bf5 - Petrov's Defense: Classical Attack (5)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 - Petrov's Defense: Classical Attack, Mason-Showalter Variation (5)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 - Petrov's Defense: Nimzowitsch Attack (13)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Be7 7. Bf4 O-O - Petrov's Defense: Nimzowitsch Attack (1)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nf6 6. d4 Be7 7. h3 O-O - Petrov's Defense: Nimzowitsch Attack (1)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nc6 - Petrov's Defense: Nimzowitsch Attack (2)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 Nd7 - Petrov's Defense: Nimzowitsch Attack (3)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Be3 O-O - Petrov's Defense: Nimzowitsch Attack (3)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 Nc6 - Petrov's Defense: Nimzowitsch Attack (2)
          • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bf4 O-O - Petrov's Defense: Nimzowitsch Attack (1)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2 (2)
        • C42 - 1. e4 e5 2. Nf3 Nf6 3....... - Petrov's Defense (1)
      • C43 - 1. e4 e5 2. Bc4 Nf6 3. d4 exd4 4.... - Bishop's Opening (18)
        • C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 - Petrov's Defense: Modern Attack, Center Variation (18)
          • C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. dxe5 Nc5 - Petrov's Defense: Modern Attack, Center Variation (1)
          • C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Bd6 - Petrov's Defense: Modern Attack, Center Variation (1)
          • C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 - Petrov's Defense: Modern Attack, Center Variation (15)
            • C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nc3 - Petrov's Defense: Modern Attack, Center Variation (4)
            • C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. Nxd7 - Petrov's Defense: Modern Attack, Center Variation (7)
            • C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. O-O - Petrov's Defense: Modern Attack, Center Variation (4)
          • C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 Nc6 5. Nxe5 Nxe5 - Petrov's Defense: Modern Attack, Center Variation (1)
      • C43 - 1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 - Petrov's Defense: Modern Attack, Center Attack (2)
      • C44 - 1. e4 e5 2. Nf3 Nc6 - King's Knight Opening: Normal Variation (11)
        • C44 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 - Scotch Game: Scotch Gambit, Advance Variation (1)
        • C44 - 1. e4 e5 2. Nf3 Nc6 3. Be2 - King's Pawn Game: Tayler Opening (1)
        • C44 - 1. e4 e5 2. Nf3 Nc6 3. Be2 Nf6 4. d3 d5 5. Nbd2 - King's Pawn Game: Tayler Opening, Inverted Hanham (1)
        • C44 - 1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d3 d5 - Ponziani Opening: Jaenisch Counterattack (1)
        • C44 - 1. e4 e5 2. Nf3 Nc6 3. g3 - King's Knight Opening: Konstantinopolsky (7)
      • C44 - 1. e4 e5 2. Nf3 Nc6 3. d3 (2)
      • C45 - 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4.... - Scotch Game (22)
        • C45 - 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 - Scotch Game (22)
          • C45 - 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 - Scotch Game (5)
          • C45 - 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 - Scotch Game (13)
            • C45 - 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Nxc6 - Scotch Game (0)
            • C45 - 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 - Scotch Game (4)
            • C45 - 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 - Scotch Game (4)
            • C45 - 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Nd2 - Scotch Game (2)
            • C45 - 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Qe2 - Scotch Game (3)
          • C45 - 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 - Scotch Game (4)
      • C47 - 1. e4 e5 2. Nc3 Nf6 3. g3 d5 4. exd5 Nxd5 - Four Knights Game: Glek System (2)
      • C47 - 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Nd5 (1)
      • C47 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. ....Four knights, Scotch variation (24)
        • C47 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 - Four Knights Game: Italian Variation (0)
        • C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 - Four Knights Game (6)
        • C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 - Four Knights Game: Scotch Variation Accepted (18)
          • C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 - Four Knights Game: Scotch Variation Accepted (15)
            • C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 - Four Knights Game: Scotch Variation Accepted (8)
            • C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d6 - Four Knights Game: Scotch Variation Accepted (1)
            • C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 O-O - Four Knights Game: Scotch Variation Accepted (6)
          • C47 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bc5 6. Be3 - Four Knights Game: Scotch Variation Accepted (3)
      • C48 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 - Four Knights Game: Spanish Variation (19)
        • C48 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bd6 - Four Knights Game: Spanish Variation (10)
        • C48 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 - Four Knights Game: Spanish Variation (8)
        • C48 - 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Bc5 - Four Knights Game: Spanish Variation (1)
      • C49 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 - Four Knights Game: Spanish Variation, Double Spanish (7)
    • C46 - 1. e4 e5 2. Nf3 Nc6 3. Nc3 - Three Knights Opening (1)
    • C50-C59 1. e4 e5 2. Nf3 Nc6 3. Bc4 Italian Game (239)
      • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 - Italian Game (70)
        • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 - Italian Game: Giuoco Piano (35)
          • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 - Italian Game: Giuoco Pianissimo (21)
            • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 - Italian Game: Giuoco Piano (8)
            • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 - Italian Game: Giuoco Pianissimo, Normal (13)
              • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. a3 - Italian Game: Giuoco Piano (1)
              • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. a4 - Italian Game: Giuoco Piano (1)
              • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Be3 - Italian Game: Giuoco Piano (1)
              • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 - Italian Game: Giuoco Piano (7)
              • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O - Italian Game: Giuoco Piano (3)
          • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 - Italian Game: Giuoco Piano (5)
          • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O - Italian Game: Giuoco Piano (9)
        • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. - Italian Game: Paris Defense (5)
        • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 - Italian Game: Giuoco Pianissimo, Normal (30)
          • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Be3 - Italian Game: Giuoco Pianissimo, Normal (4)
          • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. h3 - Italian Game: Giuoco Pianissimo, Normal (1)
          • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O - Italian Game: Giuoco Pianissimo, Normal (11)
            • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. O-O d6 - Italian Game: Giuoco Pianissimo, Normal (8)
            • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O O-O - Italian Game: Giuoco Pianissimo, Normal (3)
          • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. a4 - Italian Game: Giuoco Pianissimo, Normal (2)
          • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 - Italian Game: Giuoco Pianissimo, Italian Four Knights Variation (12)
          • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 - Italian Game: Classical Variation, Giuoco Pianissimo (0)
      • C50 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nbd2 - Italian Game: Giuoco Pianissimo (1)
      • C50 - 1. e4 Nc6 2. Nf3 e5 3. Bc4 Na5 4. Nxe5 Nxc4 - Italian Game (1)
      • C51 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 - Italian Game: Evans Gambit (0)
      • C53 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4.c3 - Italian Game (5)
      • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 - Italian Game: Classical Variation, Giuoco Pianissimo (43)
        • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 - Italian Game: Classical Variation, Giuoco Pianissimo (39)
          • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a5 - Italian Game: Classical Variation, Giuoco Pianissimo (5)
          • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 - Italian Game: Classical Variation, Giuoco Pianissimo (3)
          • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 - Italian Game: Classical Variation, Giuoco Pianissimo (25)
            • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. b4 - Italian Game: Classical Variation, Giuoco Pianissimo (2)
            • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Bg5 - Italian Game: Classical Variation, Giuoco Pianissimo (12)
            • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 - Italian Game: Classical Variation, Giuoco Pianissimo (1)
            • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. O-O - Italian Game: Classical Variation, Giuoco Pianissimo (7)
            • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. a4 - Italian Game: Classical Variation, Giuoco Pianissimo (3)
          • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 - Italian Game: Classical Variation, Giuoco Pianissimo (4)
          • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 O-O - Italian Game: Classical Variation, Giuoco Pianissimo (1)
          • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 h6 6. c3 - Italian Game: Classical Variation, Giuoco Pianissimo (1)
        • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 - Italian Game: Classical Variation, Center Attack (4)
      • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 O-O 7. O-O - Italian Game: Classical Variation, Giuoco Pianissimo (1)
      • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O d6 5. c3 Nf6 6. d3 (28)
        • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O a5 (5)
        • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. O-O O-O (7)
        • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 a6 (9)
        • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. O-O d6 6. c3 h6 (7)
      • C54 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nbd2 (1)
      • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 - Italian Game (68)
        • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (68)
          • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 a6 - Italian Game: Two Knights Defense, Modern Bishop's Opening (2)
          • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 - Italian Game: Two Knights Defense, Modern Bishop's Opening (49)
            • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nbd2 - Italian Game: Two Knights Defense, Modern Bishop's Opening (1)
            • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (11)
              • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 d6 - Italian Game: Two Knights Defense, Modern Bishop's Opening (10)
              • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. Nc3 O-O - Italian Game: Two Knights Defense, Modern Bishop's Opening (1)
            • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O - Italian Game: Two Knights Defense, Modern Bishop's Opening (37)
              • C55 - 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nf3 Be7 5. O-O d6 6. a4 - Italian Game: Two Knights Defense, Modern Bishop's Opening (1)
              • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. a4 - Italian Game: Two Knights Defense, Modern Bishop's Opening (4)
              • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Bb3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (2)
              • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. h3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (1)
              • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Nbd2 - Italian Game: Two Knights Defense, Modern Bishop's Opening (3)
              • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Nc3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (8)
              • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 - Italian Game: Two Knights Defense, Modern Bishop's Opening (18)
                • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (4)
                • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 - Italian Game: Two Knights Defense, Modern Bishop's Opening (13)
                  • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 a5 - Italian Game: Two Knights Defense, Modern Bishop's Opening (2)
                  • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Be6 - Italian Game: Two Knights Defense, Modern Bishop's Opening (6)
                  • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. a4 Na5 - Italian Game: Two Knights Defense, Modern Bishop's Opening (5)
                • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. O-O O-O 6. Re1 d6 7. c3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (1)
          • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 - Italian Game: Two Knights Defense, Modern Bishop's Opening (4)
          • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 - Italian Game: Two Knights Defense, Modern Bishop's Opening (13)
            • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. a3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (1)
            • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (7)
            • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. Nc3 - Italian Game: Two Knights Defense, Modern Bishop's Opening (1)
            • C55 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O - Italian Game: Two Knights Defense, Modern Bishop's Opening (4)
      • C56 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 - Italian Game: Two Knights Defense, Open Variation (4)
      • C56 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne4 - Italian Game: Scotch Gambit, Max Lange Attack (1)
      • C57 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 - Italian Game: Two Knights Defense, (2)
      • C58 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 - Italian Game: Two Knights Defense, (13)
        • C58 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Bd3 - Italian Game: Two Knights Defense, (10)
        • C58 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 - Italian Game: Two Knights Defense, (3)
      • C59 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 - Italian Game: Two Knights Defense, Polerio Defense, Suhle Defense (1)
    • C52 - 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 - Italian Game: Evans Gambit, Main Line (0)
    • C60-C69 1. e4 e5 2. Nf3 Nc6 3. Bb5 Ruy Lopez (Spanish opening) (83)
      • C60 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 exd4 - Ruy Lopez: Fianchetto Defense (1)
      • C60 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 - Ruy Lopez: Cozio Defense (1)
      • C61 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 - Ruy Lopez (0)
      • C62 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 - Ruy Lopez: Steinitz Defense (0)
      • C63 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 - Ruy Lopez (0)
      • C64 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 - Ruy Lopez: Classical Variation (4)
      • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 - Ruy Lopez (41)
        • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 - Ruy Lopez (32)
          • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Ba4 - Ruy Lopez (1)
          • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 - Ruy Lopez (14)
            • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 - Ruy Lopez (14)
              • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Be3 - Ruy Lopez (1)
              • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. h3 - Ruy Lopez (1)
              • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 - Ruy Lopez (3)
              • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. O-O - Ruy Lopez (8)
              • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Bxc6 dxc6 6. Qe2 - Ruy Lopez (1)
          • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 - Ruy Lopez (9)
          • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. Nbd2 - Ruy Lopez (1)
          • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. O-O - Ruy Lopez (7)
        • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 - Ruy Lopez (7)
        • C65 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7 - Ruy Lopez (2)
      • C66 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bd7 5. Nc3 Nf6 6. O-O Be7 7. Re1 O-O - Ruy Lopez: Berlin Defense, Tarrasch Trap (0)
      • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (34)
        • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 - Ruy Lopez: Berlin Defense, l'Hermet Variation (14)
          • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (13)
            • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. h3 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (4)
            • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (9)
          • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe5 - Ruy Lopez: Open Berlin Defense, l'Hermet Variation (1)
        • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (20)
          • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. a4 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (6)
          • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Bf1 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (1)
          • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (13)
            • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nf5 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (2)
            • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (11)
              • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. d4 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (8)
              • C67 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 O-O 9. Nc3 - Ruy Lopez: Berlin Defense, Rio Gambit Accepted (3)
      • C68 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 - Ruy Lopez: Exchange Variation (0)
      • C69 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O - Ruy Lopez: Exchange Variation, Normal Variation (2)
    • C70-C79 Ruy Lopez1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 ..... (90)
      • C70 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 - Ruy Lopez: Morphy Defense (19)
        • C70 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 - Ruy Lopez: Morphy Defense, Classical Defense Deferred (8)
        • C70 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f5 - Ruy Lopez: Morphy Defense, Schliemann Defense Deferred (1)
        • C70 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 g6 (1)
        • C70 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge7 - Ruy Lopez: Morphy Defense, Cozio Defense (9)
      • C71 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense (0)
      • C72 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O - Ruy Lopez: Morphy Defense, Modern Steinitz Defense (4)
      • C73 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. Bxc6+ bxc6 6. d4 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense (0)
      • C74 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense (1)
      • C75 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense (1)
      • C76 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. c3 a6 5. Ba4 d6 6. d4 Bd7 - Ruy Lopez: Morphy Defense, Modern Steinitz Defense, Fianchetto Variation (0)
      • C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 - Ruy Lopez (31)
        • C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 - Ruy Lopez: Morphy Defense, Anderssen Variation (22)
          • C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 - Ruy Lopez: Morphy Defense, Anderssen Variation (9)
          • C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 Bc5 - Ruy Lopez: Morphy Defense, Anderssen Variation (9)
          • C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 - Ruy Lopez: Morphy Defense, Anderssen Variation (4)
        • C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 - Ruy Lopez: Morphy Defense, Mackenzie Variation (2)
        • C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 - Ruy Lopez: Morphy Defense, Tarrasch Variation (4)
        • C77 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 (3)
      • C78 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O - Ruy Lopez: Morphy Defense (24)
        • C78 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 - Ruy Lopez: Morphy Defense (10)
        • C78 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 - Ruy Lopez: Morphy Defense (14)
          • C78 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 b5 - Ruy Lopez: Morphy Defense (10)
          • C78 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc5 6. c3 O-O - Ruy Lopez: Morphy Defense (4)
      • C79 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d6 - Ruy Lopez: Morphy Defense, Steinitz Deferred (10)
    • C80-C89 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 & C84-C89 C84 5. O-O Be7 Ruy Lopez, closed defence (86)
      • C80 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 - Ruy Lopez: Open (8)
      • C81 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 - Ruy Lopez: Open, Howell Attack (1)
      • C82 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 - Ruy Lopez: Open (2)
      • C83 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c3 Be7 - Ruy Lopez: Open, Classical Defense (6)
      • C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 - Ruy Lopez: Closed (28)
        • C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a3 - Ruy Lopez: Closed (6)
        • C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. a4 - Ruy Lopez: Closed (8)
        • C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. Bd2 - Ruy Lopez: Closed (1)
        • C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 d6 8. c3 - Ruy Lopez: Closed (5)
        • C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. a4 - Ruy Lopez: Closed (2)
        • C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. Nc3 - Ruy Lopez: Closed (2)
        • C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. h3 - Ruy Lopez: Closed (2)
        • C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. Re1 - Ruy Lopez: Closed (2)
      • C84 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d4 exd4 5. O-O a6 6. Ba4 Be7 7. e5 Ne4 8. c3 (1)
      • C85 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 - Ruy Lopez: Closed, Delayed Exchange (18)
        • C85 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. d3 - Ruy Lopez: Closed, Delayed Exchange (10)
        • C85 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. Nc3 - Ruy Lopez: Closed, Delayed Exchange (2)
        • C85 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc6 dxc6 7. Re1 - Ruy Lopez: Closed, Delayed Exchange (6)
      • C86 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Qe2 - Ruy Lopez: Closed, Worrall Attack (0)
      • C87 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d6 - Ruy Lopez: Closed, Averbakh Variation (0)
      • C88 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 - Ruy Lopez: Closed (19)
        • C88 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 - Ruy Lopez: Closed (1)
        • C88 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O - Ruy Lopez: Closed (18)
          • C88 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 - Ruy Lopez: Closed (11)
            • C88 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 b4 - Ruy Lopez: Closed (8)
            • C88 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Bb7 - Ruy Lopez: Closed (2)
            • C88 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a4 Rb8 - Ruy Lopez: Closed (1)
          • C88 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. h3 - Ruy Lopez: Closed (7)
      • C89 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 - Ruy Lopez: Marshall Attack (3)
    • C90-C99 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d6 Ruy Lopez, closed (13)
      • C90 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O - Ruy Lopez: Closed (0)
      • C91 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 - Ruy Lopez: Closed, Yates Variation (0)
      • C92 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 - Ruy Lopez: Closed (7)
      • C93 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 h6 - Ruy Lopez: Closed, Smyslov Defense (2)
      • C94 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 - Ruy Lopez: Closed, Breyer Defense (0)
      • C95 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 - Ruy Lopez: Closed, Breyer (4)
      • C96 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 - Ruy Lopez: Closed, Chigorin Defense (0)
      • C97 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 - Ruy Lopez: Closed, Chigorin Defense (0)
      • C98 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 - Ruy Lopez: Closed, Chigorin Defense (0)
      • C99 - 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 - Ruy Lopez: Closed, Chigorin Defense, Panov System (0)
  • SÉRIE D (514)
    • D00-D06 1. d4 d5 Queen's pawn game (93)
      • D00 - 1. d4 d5 - Queen's Pawn Game (4)
      • D01 - 1. d4 d5 2. Nc3 Nf6 3. Bf4 - Rapport-Jobava System (13)
        • D01 - 1. d4 d5 2. Nc3 Nf6 3. Bf4 a6 (1)
        • D01 - 1. d4 d5 2. Nc3 Nf6 3. Bf4 Bf5 (2)
        • D01 - 1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 (5)
        • D01 - 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 (2)
        • D01 - 1. d4 Nf6 2. Nc3 d5 3. Bf4 c6 (1)
        • D01 - 1. d4 Nf6 2. Nc3 d5 3. Bf4 g6 (2)
      • D02 - 1. d4 d5 2. Nf3 - Queen's Pawn Game: Zukertort Variation (51)
        • D02 - 1. d4 d5 2. Nf3 Nf6 - Queen's Pawn Game: Symmetrical Variation (27)
          • D02 - 1. d4 d5 2. Nf3 Nf6 3. g3 - Queen's Pawn Game: Symmetrical Variation (8)
          • D02 - 1. d4 Nf6 2. Nf3 d5 3. c3 - Queen's Pawn Game: Symmetrical Variation (9)
          • D02 - 1. d4 Nf6 2. Nf3 d5 3. c4 - Queen's Pawn Game: Symmetrical Variation (8)
          • D02 - 1. Nf3 d5 2. d4 Nf6 3. c4 c5 4. cxd5 - Queen's Pawn Game: Symmetrical Variation (2)
        • D02 - 1. d4 d5 2. Nf3 Nf6 3. Bf4 - Queen's Pawn Game: London System (11)
          • D02 - 1. d4 d5 2. Nf3 Nf6 3. Bf4 Bf5 - Queen's Pawn Game: London System (4)
          • D02 - 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 - Queen's Pawn Game: London System (2)
          • D02 - 1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 - Queen's Pawn Game: London System (5)
        • D02 - 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4.... - London System (13)
          • D02 - 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. dxc5 - London System (1)
          • D02 - 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 - London System (12)
            • D02 - 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 e6 5. Nbd2 - London System (1)
            • D02 - 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Bb5 - London System (1)
            • D02 - 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Be2 - London System (1)
            • D02 - 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. c3 - London System (1)
            • D02 - 1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nbd2 - London System (8)
      • D02 - 1. d4 d5 2. Nf3 e6 3. Bf4 (2)
      • D02 - 1. d4 d5 2. Nf3 e6 3. c4 Nc6 4. Nc3 a6 5. cxd5 exd5 6. Bf4 (1)
      • D03 - 1. d4 d5 2. Nf3 Nf6 3. Bg5 - Queen's Pawn Game (3)
      • D04 - 1. d4 d5 2. Nf3 Nf6 3. e3 - Queen's Pawn Game (9)
      • D05 - 1. d4 d5 2. Nf3 c5 3. e3 Nf6 4. Nbd2 e6 5. b3 - Queen's Pawn Game: Zukertort Variation (2)
      • D05 - 1. d4 d5 2. Nf3 Nf6 3. e3 e6 - Queen's Pawn Game (5)
      • D05 - 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c3 - Queen's Pawn Game: Colle System, Traditional Colle (1)
      • D06 - 1. d4 d5 2. c4 - Queen's Gambit (3)
        • D06 - 1. d4 d5 2. c4 c5 3. cxd5 Nf6 - Queen's Gambit Declined: Austrian Defense, Gusev Countergambit (2)
        • D06 - 1. d4 d5 2. c4 c5 3. cxd5 Qxd5 (1)
    • D07-D09 1. d4 d5 2. c4 Nc6 Queen's Gambit Declined, Chigorin defence (2)
      • D07 - 1. d4 d5 2. c4 Nc6 - Queen's Gambit Declined: Chigorin Defense (1)
      • D08 - 1. d4 d5 2. c4 e5 - Queen's Gambit Declined: Albin Countergambit (1)
      • D09 - 1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 - Queen's Gambit Declined: Albin Countergambit, Fianchetto Variation (0)
    • D10-D19 1. d4 d5 2. c4 c6 Queen's Gambit Slav defence (51)
      • D10 - 1. d4 d5 2. c4 c6 - Slav Defense (11)
        • D10 - 1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. cxd5 cxd5 5. Bf4 - Slav Defense (1)
        • D10 - 1. d4 d5 2. c4 c6 3. cxd5 - Slav Defense: Exchange Variation (8)
        • D10 - 1. d4 d5 2. c4 c6 3. Nc3 - Slav Defense (2)
      • D11 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 - Slav Defense: Quiet Variation (1)
      • D11 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 - Slav Defense: Quiet Variation, Pin Defense (1)
      • D11 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4.... - Slav Defense (4)
      • D12 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 - Slav Defense: Quiet Variation, Schallopp Defense (6)
      • D13 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 - Slav Defense: Exchange Variation (6)
      • D14 - 1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bf5 - Slav Defense: Exchange Variation, Symmetrical Line (4)
      • D14 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4 Queen's Gambit Declined Slav, exchange, Trifunovic variation (2)
      • D15 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 - Slav Defense: Three Knights Variation (5)
        • D15 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a6 - Slav Defense: Chebanenko Variation (4)
        • D15 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. - Slav Defense: Two Knights Attack (1)
      • D16 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 - Slav Defense: Alapin Variation (0)
      • D16 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 - Slav Defense: Soultanbeieff Variation (3)
      • D17 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 - Slav Defense: Czech Variation (7)
      • D18 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 - Slav Defense: Czech Variation, Classical System (0)
      • D19 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O - Slav Defense: Czech Variation, Dutch Variation (1)
    • D20-D29 1. d4 d5 2. c4 dxc4 Queen's gambit accepted (35)
      • D20 - 1. d4 d5 2. c4 dxc4 - Queen's Gambit Accepted (6)
      • D21 - 1. d4 d5 2. c4 dxc4 3. Nf3 - Queen's Gambit Accepted: Normal Variation (0)
      • D22 - 1. d4 d5 2. c4 dxc4 3. Nf3 a6 - Queen's Gambit Accepted (0)
      • D23 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 - Queen's Gambit Accepted (0)
      • D24 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 - Queen's Gambit Accepted: Showalter Variation (0)
      • D24 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 - Queen's Gambit Accepted (7)
      • D25 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 - Queen's Gambit Accepted: Normal Variation (4)
      • D26 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 - Queen's Gambit Accepted: Normal Variation, Traditional System (12)
        • D26 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 - Queen's Gambit Accepted: Normal Variation, Traditional System (3)
        • D26 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 Be7 - Queen's Gambit Accepted: Normal Variation, Traditional System (1)
        • D26 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 - Queen's Gambit Accepted: Classical Defense (8)
      • D27 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 - Queen's Gambit Accepted: Classical Defense, Main Line (6)
      • D28 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 - Queen's Gambit Accepted: Classical Defense, Alekhine System (0)
      • D29 - 1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. Qe2 b5 8. Bb3 Bb7 - Queen's Gambit Accepted: Classical Defense, Alekhine System, Main Line (0)
    • D30-D39 1. d4 d5 2. c4 e6 Queen's gambit declined (216)
      • D30 - 1. d4 d5 2. c4 e6 - Queen's Gambit Declined (14)
        • D30 - 1. c4 e6 2. d4 d5 3. cxd5 - Queen's Gambit Declined (2)
        • D30 - 1. d4 d5 2. c4 e6 3. g3 - Queen's Gambit Declined (1)
        • D30 - 1. d4 d5 2. c4 e6 3. Nf3 - Queen's Gambit Declined (10)
        • D30 - 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 Be7 5. e3 h6 - Queen's Gambit Declined: Traditional Variation (1)
      • D30 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. e3 (0)
      • D30 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3 - Queen's Gambit Declined: Three Knights Variation (0)
      • D30 - 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Bg5 h6 - Queen's Gambit Declined: Capablanca Variation (1)
      • D30 - 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 - Queen's Gambit Declined: Three Knights Variation (1)
      • D31 - 1. d4 d5 2. c4 e6 3. Nc3 - Queen's Gambit Declined: Queen's Knight Variation (28)
        • D31 - 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. cxd5 exd5 5. Bf4 (2)
        • D31 - 1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 (1)
        • D31 - 1. d4 d5 2. c4 e6 3. Nc3 Be7 - Queen's Gambit Declined: Charousek Variation (16)
          • D31 - 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 - Queen's Gambit Declined: Charousek Variation (13)
            • D31 - 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 - Queen's Gambit Declined: Charousek Variation (6)
            • D31 - 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 c6 6. h3 - Queen's Gambit Declined: Charousek Variation (1)
            • D31 - 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. cxd5 exd5 5. Bf4 Nf6 6. e3 - Queen's Gambit Declined: Charousek Variation (6)
          • D31 - 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. Bg5 - Queen's Gambit Declined: Charousek Variation (1)
          • D31 - 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Nf3 Nf6 5. g3 - Queen's Gambit Declined: Charousek Variation (2)
        • D31 - 1. d4 d5 2. c4 e6 3. Nc3 c6 4. - Semi-Slav Defense: Accelerated Move Order (3)
        • D31 – 1. d4 d5 2. c4 e6 3. Nc3 4..... – Queen’s Gambit Declined: Queen’s Knight Variation (6)
      • D31 - 1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 dxc4 5. a4 Bb4 (1)
      • D32 - 1. d4 d5 2. c4 e6 3. Nc3 c5 - Tarrasch Defense (18)
        • D32 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd4 - Tarrasch Defense: Schara Gambit (2)
        • D32 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. e4 (1)
        • D32 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 - Tarrasch Defense: Two Knights Variation (5)
        • D32 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. dxc5 (1)
        • D32 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. cxd5 (1)
        • D32 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc6 - Tarrasch Defense: Symmetrical Variation (4)
        • D32 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4.... - Tarrasch Defense (8)
      • D33 - 1. c4 e6 2. Nc3 d5 3. d4 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. a3 (1)
      • D33 - 1. c4 e6 2. Nc3 d5 3. d4 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Be3 (2)
      • D33 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 - Tarrasch Defense: Rubinstein System (5)
        • D33 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 cxd4 8. Nxd4 Bc5 - Tarrasch Defense: Dubov Tarrasch (5)
      • D34 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 - Tarrasch Defense: Prague Variation, Main Line (0)
      • D34 - 1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 Bxc5 10. Na4 - Tarrasch Defense: Classical Variation, Réti Variation (1)
      • D34 - 1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 d5 5. cxd5 exd5 6. g3 Nc6 7. Bg2 Be7 8. O-O O-O 9. Bg5 Be6 10. Rc1 c4 - Tarrasch Defense: Classical Variation, Bogoljubow Variation (1)
      • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 - Queen's Gambit Declined: Exchange Variation (62)
        • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bf4 (2)
        • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 - Queen's Gambit Declined: Exchange Variation, Positional Variation (59)
          • D35 - 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 - Queen's Gambit Declined: Exchange Variation, Positional Variation (27)
            • D35 - 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 - Queen's Gambit Declined: Exchange Variation, Positional Variation (11)
              • D35 - 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 Bg4 - Queen's Gambit Declined: Exchange Variation, Positional Variation (4)
              • D35 - 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 O-O - Queen's Gambit Declined: Exchange Variation, Positional Variation (7)
            • D35 - 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O - Queen's Gambit Declined: Exchange Variation, Positional Variation (11)
              • D35 - 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 Re8 - Queen's Gambit Declined: Exchange Variation, Positional Variation (9)
              • D35 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 O-O 7. Bd3 h6 - Queen's Gambit Declined: Exchange Variation, Positional Variation (2)
            • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 - Queen's Gambit Declined: Exchange Variation, Positional Variation (5)
          • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Bb4 - Queen's Gambit Declined: Exchange Variation, Positional Variation (9)
          • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be6 - Queen's Gambit Declined: Exchange Variation, Positional Variation (1)
          • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 - Queen's Gambit Declined: Exchange Variation, Positional Variation (22)
            • D35 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 - Queen's Gambit Declined: Exchange Variation, Positional Variation (11)
              • D35 - 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Bd3 - Queen's Gambit Declined: Exchange Variation, Positional Variation (1)
              • D35 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Nge2 - Queen's Gambit Declined: Exchange Variation, Positional Variation (1)
              • D35 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qb3 - Queen's Gambit Declined: Exchange Variation, Positional Variation (1)
              • D35 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Qf3 - Queen's Gambit Declined: Exchange Variation, Positional Variation (7)
              • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. f3 - Queen's Gambit Declined: Exchange Variation, Positional Variation (1)
            • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 Bd6 - Queen's Gambit Declined: Exchange Variation, Positional Variation (2)
            • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 - Queen's Gambit Declined: Exchange Variation, Positional Variation (9)
        • D35 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. - Queen's Gambit Declined: Exchange Variation (1)
      • D35 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. cxd5 exd5 6. Bf4 (1)
      • D36 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 - Queen's Gambit Declined: Exchange Variation, Reshevsky Variation (2)
      • D37 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3 (1)
      • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 - Queen's Gambit Declined: Three Knights Variation (49)
        • D37 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. e3 (1)
        • D37 - 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. cxd5 exd5 6. Bf4 (4)
        • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 - Queen's Gambit Declined: Harrwitz Attack (13)
          • D37 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 - Queen's Gambit Declined: Harrwitz Attack (10)
            • D37 - 1. c4 e6 2. Nc3 d5 3. d4 Be7 4. Bf4 Nf6 5. e3 O-O 6. Nf3 Nbd7 - Queen's Gambit Declined: Harrwitz Attack (3)
            • D37 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 O-O 6. e3 b6 - Queen's Gambit Declined: Harrwitz Attack (3)
            • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 - Queen's Gambit Declined: Harrwitz Attack (4)
          • D37 - 1. d4 d5 2. Nf3 e6 3. c4 Nf6 4. Nc3 Be7 5. Bf4 O-O - Queen's Gambit Declined: Harrwitz Attack (1)
          • D37 - 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 O-O 6. a3 - Queen's Gambit Declined: Harrwitz Attack (1)
          • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. Qc2 - Queen's Gambit Declined: Harrwitz Attack (1)
        • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 (3)
        • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 - Queen's Gambit Declined: Three Knights, Vienna Variation (2)
        • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 h6 5. - Queen's Gambit Declined: Three Knights Variation (5)
        • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 - Queen's Gambit Declined: Barmen Variation (18)
          • D37 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. g3 - Queen's Gambit Declined: Barmen Variation (1)
          • D37 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. Qc2 - Queen's Gambit Declined: Barmen Variation (4)
          • D37 - 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Nbd7 5. cxd5 - Queen's Gambit Declined: Barmen Variation (6)
          • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bf4 - Queen's Gambit Declined: Barmen Variation (4)
          • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 - Queen's Gambit Declined: Barmen Variation (3)
        • D37 - 1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Nc3 a6 - Queen's Gambit Declined: Three Knights Variation (3)
      • D37 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. h3 (1)
      • D38 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 - Queen's Gambit Declined: Ragozin Defense (26)
        • D38 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 - Queen's Gambit Declined: Ragozin Defense (6)
        • D38 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 Nbd7 6. e3 c5 - Queen's Gambit Declined: Westphalian Variation (1)
        • D38 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ - Queen's Gambit Declined: Ragozin Defense, Alekhine Variation (9)
        • D38 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qb3 - Queen's Gambit Declined: Ragozin Defense (2)
        • D38 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5.... – Queen’s Gambit Declined: Ragozin Defense (8)
      • D39 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 dxc4 - Queen's Gambit Declined: Ragozin Defense, Vienna Variation (1)
    • D40-D42 – 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 – Queen’s Gambit Declined: Semi-Tarrasch Defense (13)
      • D40 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 - Queen's Gambit Declined: Semi-Tarrasch Defense (2)
      • D41 - 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 d5 5. d4 e6 - Queen's Gambit Declined: Semi-Tarrasch Defense (0)
      • D41 - 1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. Nf3 c5 5. cxd5 Nxd5 (2)
      • D41 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 cxd4ù (9)
      • D42 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e3 Nc6 7. Bd3 - Queen's Gambit Declined: Semi-Tarrasch Defense, Main Line (0)
    • D43-D49 Queen's Gambit Declined semi-Slav1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 (48)
      • D43 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 - Semi-Slav Defense (17)
        • D43 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh4 - Semi-Slav Defense: Anti-Moscow Gambit (4)
        • D43 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5.... - Semi-Slav Defense (13)
          • D43 - 1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nf6 5. g3 (2)
          • D43 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Bg5 (5)
          • D43 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. g4 (1)
          • D43 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. Qd3 (1)
          • D43 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. cxd5 (4)
      • D43 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Be2 - Semi-Slav Defense: Normal Variation (0)
      • D43 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. Bg5 h6 6. Bxf6 (5)
      • D44 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 - Semi-Slav Defense Accepted (2)
        • D44 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 - Semi-Slav Defense: Botvinnik Variation (2)
      • D45 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 - Semi-Slav Defense: Main Line (13)
        • D45 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 a6 - Semi-Slav Defense: Accelerated Meran Variation (7)
        • D45 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc2 - Semi-Slav Defense: Stoltz Variation (6)
      • D45 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. e3 Nbd7 6. Be2 (1)
      • D45 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. h3 (3)
      • D46 - 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Bd6 6. Bb2 O-O 7. d4 (1)
      • D46 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 - Semi-Slav Defense: Main Line (1)
      • D46 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 Bd6 7. Qc2 - Semi-Slav Defense: Chigorin Defense (1)
      • D46 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. Bd3 O-O 8. O-O (4)
      • D47 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 - Semi-Slav Defense: Semi-Meran Variation (0)
      • D48 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 - Semi-Slav Defense: Meran Variation (0)
      • D49 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. e5 cxd4 11. Nxb5 - Semi-Slav Defense: Meran Variation, Blumenfeld Variation (0)
    • D50-D69 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Queen's Gambit Declined, 4.Bg5 (11)
      • D50 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 - Queen's Gambit Declined: Modern Variation (2)
      • D51 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 - Queen's Gambit Declined: Modern Variation, Knight Defense (1)
      • D52 - 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 - Queen's Gambit Declined (1)
      • D53 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 - Queen's Gambit Declined (3)
      • D54 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Rc1 - Queen's Gambit Declined: Neo-Orthodox Variation (0)
      • D55 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 - Queen's Gambit Declined: Modern Variation, Normal Line (0)
      • D56 - 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 - Queen's Gambit Declined: Lasker Defense (0)
      • D57 - 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 - Queen's Gambit Declined: Lasker Defense, Main Line (0)
      • D58 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 - Queen's Gambit Declined: Tartakower Defense (3)
      • D59 - 1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 O-O 7. e3 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6 - Queen's Gambit Declined: Tartakower Defense (0)
      • D60 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 - Queen's Gambit Declined: Orthodox Defense (0)
      • D61 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Qc2 - Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation (0)
      • D62 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Qc2 c5 8. cxd5 - Queen's Gambit Declined: Orthodox Defense, Rubinstein Variation, Flohr Line (1)
      • D63 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bd3 - Queen's Gambit Declined: Orthodox Defense, Pillsbury Variation (0)
      • D64 - 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. a3 a6 9. Qc2 - Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack (0)
      • D65 - 1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Qc2 a6 9. cxd5 - Queen's Gambit Declined: Orthodox Defense, Rubinstein Attack (0)
      • D66 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 - Queen's Gambit Declined: Orthodox Defense, Bd3 Line (0)
      • D67 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 - Queen's Gambit Declined: Orthodox Defense, Capablanca System (0)
      • D68 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 - Queen's Gambit Declined: Orthodox Defense, Classical Vari (0)
      • D69 - 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 - Queen's Gambit Declined: Orth (0)
    • D70-D79 1. d4 Nf6 2. c4 g6 3. f3 d5 Neo-Gruenfeld defence (18)
      • D70 - 1. d4 Nf6 2. c4 g6 3. f3 d5 - Neo-Grünfeld Defense (1)
      • D71 - 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. cxd5 Nxd5 - Neo-Grünfeld Defense: Exchange Variation (1)
      • D73 - 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 4. d4 Nf6 - Neo-Gruenfeld, 5.Nf3 (3)
      • D74 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O - Neo-Grünfeld Defense: Delayed Exchange Variation (1)
      • D75 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. g3 d5 6. cxd5 Nxd5 7. Bg2 c5 8. O-O - Neo-Grünfeld Defense: Delayed Exchange Variation (0)
      • D75 - 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O c5 8. dxc5 - Neo-Grünfeld Defense: Delayed Exchange Variation (1)
      • D76 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Nb6 - Neo-Grünfeld Defense: Delayed Exchange Variation (0)
      • D77 - 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 - Neo-Grünfeld Defense: Classical Variation (4)
      • D78 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 - Neo-Grünfeld Defense: Classical Variation, Original Defense (6)
      • D79 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d5 7. cxd5 cxd5 - Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation (1)
    • D80-D99 Gruenfeld defence1. d4 Nf6 2. c4 g6 3. Nc3 d5 (27)
      • D80 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 - Grünfeld Defense (2)
      • D81 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Qb3 - Grünfeld Defense: Russian Variation, Accelerated Variation (0)
      • D82 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 - Grünfeld Defense: Brinckmann Attack (0)
      • D83 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O - Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit (1)
      • D83 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. Rc1 O-O 6. e3 c5 7. dxc5 Qa5 - Grünfeld Defense: Brinckmann Attack, Reshevsky Gambit (1)
      • D84 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O 6. cxd5 Nxd5 7. Nxd5 Qxd5 8. Bxc7 - Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit Accepted (0)
      • D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 (1)
      • D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Qa4 (2)
      • D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5- Grünfeld Defense (8)
        • D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 - Grünfeld Defense: Exchange Variation, Modern Exchange Variation (0)
        • D85 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 - Grünfeld Defense: Exchange Variation, Modern Exchange Variation (7)
        • D85 - 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 - Grünfeld Defense: Exchange Variation, Modern Exchange Variation (1)
      • D86 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 - Grünfeld Defense: Exchange Variation, Classical Variation (2)
      • D87 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O Grünfeld Defense: Exchange Variation, Spassky Variation| (4)
        • D87 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O Bg4 11. f3 Na5 12. Bxf7+ - Grünfeld Defense: Exchange Variation, Seville Variation (1)
        • D87 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O - Grünfeld Defense: Exchange Variation, Spassky Variation (3)
      • D88 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O cxd4 11. cxd4 - Grünfeld Defense: Exchange Variation, Spassky Variation (0)
      • D89 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 - Grünfeld Defense: Exchange Variation, Spassky (0)
      • D90 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 - Grünfeld Defense: Three Knights Variation (0)
      • D91 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 - Grünfeld Defense: Three Knights Variation, Petrosian System (3)
      • D92 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 - Grünfeld Defense: Three Knights Variation, Hungarian Attack (0)
      • D93 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e3 - Grünfeld Defense: Three Knights Variation, Hungarian Variation (0)
      • D94 - 1. d4 d5 2. c4 c6 3. Nc3 Nf6 4.... - Grünfeld Defense (0)
      • D94 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 - Grünfeld Defense: Three Knights Variation, Burille Variation (1)
      • D94 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd2 (2)
      • D95 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. e3 Bg7 5. Qb3 dxc4 6. Bxc4 O-O 7. Nf3 Nbd7 8. Ng5 - Grünfeld Defense: Pachman Variation (0)
      • D96 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 - Grünfeld Defense: Russian Variation (0)
      • D97 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 - Grünfeld Defense: Russian Variation (0)
      • D98 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 - Grünfeld Defense: Russian Variation, Smyslov Variation (0)
      • D99 - 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3 - Grünfeld Defense: Russian Variation, Smyslov Variation (0)
  • SÉRIE E (351)
    • E00 - 1. d4 Nf6 2. c4 e6 3. g3 - Catalan Opening (3)
      • E00 - 1. d4 Nf6 2. c4 e6 3. Bg5 - Indian Defense: Seirawan Attack (0)
      • E00 - 1. d4 Nf6 2. c4 e6 3. g3 - Catalan Opening (3)
      • E00 - 1. d4 Nf6 2. c4 e6 3. g3 e5 - Catalan Opening: Hungarian Gambit (0)
      • E00 - 1. d4 Nf6 2. c4 e6 3. g4 - Indian Defense: Devin Gambit (0)
      • E00 - 1. d4 Nf6 2. c4 e6 3. Qb3 - Indian Defense (0)
    • E01-E09 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Catalan, closed (78)
      • E01 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 - Catalan Opening: Closed (8)
      • E02 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 - Catalan Opening: Open Defense (0)
      • E03 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Qa4+ Nbd7 6. Qxc4 - Catalan Opening: Open Defense (0)
      • E04 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 - Catalan Opening: Open Defense (17)
        • E04 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 a6 - Catalan Opening: Open Defense (3)
        • E04 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Bd7 - Catalan Opening: Open Defense (1)
        • E04 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c5 - Catalan Opening: Open Defense (4)
        • E04 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 - Catalan Opening: Open Defense (2)
        • E04 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 Nc6 - Catalan Opening: Open Defense (3)
        • E04 - 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 dxc4 5. Bg2 Bb4+ - Catalan Opening: Open Defense (4)
      • E05 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 - Catalan Opening: Open Defense, Classical Line (30)
        • E05 - 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 (17)
          • E05 - 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. d4 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 c6 (1)
          • E05 - 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 (16)
            • E05 - 1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Qc2 a6 8. Rd1 (1)
            • E05 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. Qxc4 (1)
            • E05 - 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 (14)
        • E05 – 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. ... (13)
          • E05 - 1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 dxc4 7. Ne5 Nc6 8. Bxc6 (3)
          • E05 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 (7)
          • E05 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 a6 8. a4 (3)
      • E06 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 - Catalan Opening: Closed (20)
        • E06 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O - Catalan Opening: Closed (1)
        • E06 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Qc2 - Catalan Opening: Closed (1)
        • E06 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. Qd3 - Catalan Opening: Closed (3)
        • E06 - 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. d4 O-O 6. Nc3 - Catalan Opening: Closed (14)
          • E06 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. Nc3 dxc4 - Catalan Opening: Closed (7)
          • E06 - 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. c4 Be7 5. d4 O-O 6. Nc3 Nbd7 - Catalan Opening: Closed (7)
        • E06 - 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. c4 Be7 5. d4 O-O 6. b3 - Catalan Opening: Closed (1)
      • E07 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 - Catalan Opening: Closed (0)
      • E08 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. Qc2 b6 8. Rd1 Nbd7 9. Bf4 - Catalan Opening: Closed (1)
      • E08 - 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd7 7. Qc2 - Catalan Opening: Closed (2)
      • E09 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O Nbd7 7. Qc2 c6 8. Nbd2 - Catalan Opening: Closed, Main Line (0)
    • E10 - 1. d4 Nf6 2. c4 e6 3. Nf3 - Indian Defense: Anti-Nimzo-Indian (10)
      • E10 - 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4.... - Blumenfeld Countergambit (2)
      • E10 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. e3 Nbd7 5. Nc3 a6 6. b3 (1)
      • E10 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 (1)
      • E10 – 1. d4 Nf6 2. c4 e6 3. Nf3 ... – Indian Defense: Anti-Nimzo-Indian (6)
    • E11 - 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ - Bogo-Indian Defense (49)
      • E11 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O (12)
        • E11 - 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 (6)
        • E11 - 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 (6)
      • E11 - 1. d4 Nf6 2. c4 e6 3. g3 Bb4 4. Bd2 Be7 - Bogo-Indian Defense: Retreat Variation (1)
      • E11 - 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4 4. Bd2 a5 (1)
      • E11 - 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4 4. Bd2 c5 (2)
      • E11 - 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be7 - Bogo-Indian Defense: Retreat Variation (2)
      • E11 - 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ - Bogo-Indian Defense: Exchange Variation (4)
      • E11 - 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. e3 (2)
      • E11 - 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 (10)
      • E11 - 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 - Bogo-Indian Defense: Grünfeld Variation (8)
      • E11 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 (3)
      • E11 - 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 Nbd7 (3)
      • E11 - 1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Bb4 - Bogo-Indian Defense: Retreat Variation (1)
        • E11 - 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 Nbd7 7. O-O O-O 8. Qc2 c6 - Bogo-Indian Defense: Retreat Variation (1)
    • E12-E19 1. d4 Nf6 2. c4 e6 3. Nf3 b6 Queen's Indian defence (26)
      • E12 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 - Queen's Indian Defense (14)
        • E12 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 - Queen's Indian Defense: Petrosian Variation (3)
        • E12 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 (6)
        • E12 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Ne4 - Queen's Indian Defense: Kasparov-Petrosian Variation, Andersson Variation (4)
        • E12 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bf4 - Queen's Indian Defense: Miles Variation (1)
      • E13 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4.... - Queen's Indian Defense (0)
      • E14 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 - Queen's Indian Defense: Spassky System (0)
      • E15 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 - Queen's Indian Defense: Fianchetto Variation (7)
        • E15 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 - Queen's Indian Defense: Fianchetto Variation, Check Variation, Intermezzo Line (2)
        • E15 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb7 (1)
        • E15 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 d5 (1)
        • E15 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qa4 - Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack (2)
        • E15 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 (1)
      • E15 - 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Nbd2 (1)
      • E16 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ - Queen's Indian Defense: Capablanca Variation (2)
      • E17 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 - Queen's Indian Defense: Traditional Variation (2)
      • E18 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 - Queen's Indian Defense: Classical Variation, Traditional Variation (0)
      • E19 - 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 - Queen's Indian Defense: Classical Variation, Traditional Variation, Main Line (0)
    • E20-E59 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 Nimzo-Indian defence (110)
      • E20 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 - Nimzo-Indian Defense (9)
        • E20 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 - Nimzo-Indian Defense: Kmoch Variation (6)
        • E20 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g3 - Nimzo-Indian Defense: Romanishin Variation (3)
      • E21 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 - Nimzo-Indian Defense: Three Knights Variation (8)
      • E22 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 - Nimzo-Indian Defense: Spielmann Variation (0)
      • E23 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 - Nimzo-Indian Defense: Spielmann Variation, Romanovsky Gambit (0)
      • E24 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 - Nimzo-Indian Defense: Sämisch Variation (5)
      • E25 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c5 7. cxd5 - Nimzo-Indian Defense: Sämisch Variation (2)
      • E26 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 - Nimzo-Indian Defense: Sämisch Variation (1)
      • E27 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O - Nimzo-Indian Defense: Sämisch Variation (0)
      • E28 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. a3 Bxc3+ 6. bxc3 - Nimzo-Indian Defense: Sämisch Variation (2)
      • E29 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. a3 Bxc3+ 7. bxc3 O-O - Nimzo-Indian Defense: Sämisch Variation (2)
      • E30 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 - Nimzo-Indian Defense: Leningrad Variation (0)
      • E31 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5 6. d5 d6 - Nimzo-Indian Defense: Leningrad Variation, Benoni Defense (0)
      • E32 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 - Nimzo-Indian Defense: Classical Variation (13)
        • E32 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 b6 (1)
        • E32 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d6 (4)
        • E32 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 h6 (1)
        • E32 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 O-O (7)
      • E33 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 - Nimzo-Indian Defense: Classical Variation, Zurich Variation (0)
      • E34 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 - Nimzo-Indian Defense: Classical Variation, Noa Variation (0)
      • E35 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd5 - Nimzo-Indian Defense: Classical Variation, Noa Variation (3)
      • E36 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 - Nimzo-Indian Defense: Classical Variation, Noa Variation (2)
      • E37 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a3 Bxc3+ 6. Qxc3 Ne4 7. Qc2 - Nimzo-Indian Defense: Classical Variation, Noa Variation (0)
      • E38 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 - Nimzo-Indian Defense: Classical Variation, Berlin Variation (2)
      • E39 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c5 5. dxc5 O-O - Nimzo-Indian Defense: Classical Variation, Berlin Variation, Pirc Variation (6)
      • E40 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 - Nimzo-Indian Defense: Rubinstein System (1)
      • E41 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 - Nimzo-Indian Defense: Rubinstein System (4)
      • E42 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne2 - Nimzo-Indian Defense: Rubinstein System, Rubinstein Variation (1)
      • E43 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 - Nimzo-Indian Defense: St. Petersburg Variation (1)
      • E43 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 O-O 7. O-O c5 - Nimzo-Indian Defense: St. Petersburg Variation (1)
      • E44 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 - Nimzo-Indian Defense: St. Petersburg Variation (2)
      • E45 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne2 Ba6 - Nimzo-Indian Defense: St. Petersburg Variation, Fischer Variation (3)
      • E46 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O - Nimzo-Indian Defense: Normal Variation (8)
      • E47 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 - Nimzo-Indian Defense: Normal Variation (6)
      • E48 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 - Nimzo-Indian Defense: Normal Variation, Classical Defense (11)
        • E48 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 (2)
        • E48 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. cxd5 (7)
        • E48 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 (2)
      • E49 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 - Nimzo-Indian Defense: Normal Variation, Botvinnik System (8)
      • E50 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 - Nimzo-Indian Defense (0)
      • E51 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d5 - Nimzo-Indian Defense: Normal Variation, Ragozin Variation (2)
      • E52 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 b6 - Nimzo-Indian Defense: Normal Variation, Schlechter Defense (1)
      • E53 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 - Nimzo-Indian Defense: Normal Variation, Gligoric System (0)
      • E54 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 - Nimzo-Indian Defense: Normal Variation, Gligoric System, Exchange Variation (6)
      • E55 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O dxc4 8. Bxc4 Nbd7 - Nimzo-Indian Defense: Normal Variation, Gligoric System, Bronstein Variation (0)
      • E56 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 - Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense (0)
      • E58 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 - Nimzo-Indian Defense: Normal Variation, Bernstein Defense, Exchange Line (0)
      • E59 - 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. Nf3 c5 7. O-O Nc6 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 - Nimzo-Indian Defense: Normal Variation, Bernstein Defense (0)
    • E60-E99 1. d4 Nf6 2. c4 g6 King's Indian defence (75)
      • E60 - 1. d4 Nf6 2. c4 g6 - Indian Defense: West Indian Defense (17)
        • E60 - 1. d4 Nf6 2. c4 g6 3. f3 - Indian Defense: Anti-Grünfeld, Alekhine Variation (3)
        • E60 - 1. d4 Nf6 2. c4 g6 3. g3 - King's Indian Defense: Fianchetto Variation, Immediate Fianchetto (5)
        • E60 - 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4.... - Grünfeld Defense (6)
        • E60 - 1. d4 Nf6 2. c4 g6 3. h4 (2)
        • E60 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. e3 O-O - King's Indian Defense: Normal Variation, King's Knight Variation (1)
      • E60 - 1. d4 Nf6 2. c4 g6 3. Bg5 Bg7 4. Nc3 d5 - Indian Defense: West Indian Defense (1)
      • E60 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 - King's Indian Defense: Fianchetto Variation (2)
      • E60 - 1. d4 Nf6 2. Nf3 g6 3. c4 - King's Indian Defense: Normal Variation, King's Knight Variation (1)
      • E61 - 1. d4 Nf6 2. c4 g6 3. Nc3 - King's Indian Defense (1)
      • E61 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 - King's Indian Defense: Smyslov Variation (1)
      • E62 - 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 - King's Indian Defense: Fianchetto Variation, Carlsbad Variation (2)
        • E62 - 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc6 7. d5 - King's Indian Defense: Fianchetto Variation, Carlsbad Variation (1)
        • E62 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 O-O 6. Bg2 c6 7. O-O Bf5 - King's Indian Defense: Fianchetto Variation, Larsen Defense (1)
      • E63 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 a6 - King's Indian Defense: Fianchetto Variation, Panno Variation (0)
      • E64 - 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 c5 - King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Rare Line (0)
      • E65 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 - King's Indian Defense: Fianchetto Variation, Yugoslav Variation (0)
      • E65 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Nc6 8. dxc5 dxc5 - King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line (1)
      • E66 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Nc6 8. d5 - King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line (2)
      • E67 - 1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd7 - King's Indian Defense: Fianchetto Variation, Debrecen Defense (0)
      • E67 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 - King's Indian Defense: Fianchetto Variation, Classical Fianchetto (3)
      • E68 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 - King's Indian Defense: Fianchetto Variation, Classical Variation (8)
      • E69 - 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 8. e4 c6 9. h3 - King's Indian Defense: Fianchetto Variation, Classical Main Line (1)
      • E70 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 - King's Indian Defense: Normal Variation (1)
      • E71 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 - King's Indian Defense: Makogonov Variation (2)
      • E72 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. g3 - King's Indian Defense: Normal Variation, Deferred Fianchetto (0)
      • E73 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 - King's Indian Defense: Normal Variation, Standard Development (5)
      • E73 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 - King's Indian Defense: Averbakh Variation (1)
      • E74 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 - King's Indian Defense: Averbakh Variation, Benoni Defense (0)
      • E75 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c5 7. d5 e6 - King's Indian Defense: Averbakh Variation, Main Line (0)
      • E76 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 - King's Indian Defense: Four Pawns Attack (0)
      • E77 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f4 - King's Indian Defense: Four Pawns Attack (0)
      • E78 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. Be2 - King's Indian Defense: Four Pawns Attack, Fluid Attack (0)
      • E79 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. Be2 cxd4 8. Nxd4 Nc6 9. Be3 - King's Indian Defense: Four Pawns Attack, Exchange Variation (0)
      • E80 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 - King's Indian Defense: Sämisch Variation (0)
      • E81 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O - King's Indian Defense: Sämisch Variation, Normal Defense (0)
      • E82 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 b6 - King's Indian Defense: Sämisch Variation, Double Fianchetto (0)
      • E83 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 - King's Indian Defense: Sämisch Variation, Yates Defense (0)
      • E84 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc6 7. Nge2 a6 8. Qd2 Rb8 - King's Indian Defense: Sämisch Variation, Panno Main Line (0)
      • E85 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 - King's Indian Defense: Sämisch Variation, Orthodox Variation (0)
      • E86 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 - King's Indian Defense: Sämisch Variation (0)
      • E87 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d5 - King's Indian Defense: Sämisch Variation, Closed Variation (0)
      • E89 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. d5 cxd5 - King's Indian Defense: Sämisch Variation, Closed Variation, Main Line (0)
      • E90 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 - King's Indian Defense: Normal Variation, Rare Defenses (6)
      • E91 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 - King's Indian Defense: Orthodox Variation (2)
      • E92 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 - King's Indian Defense: Orthodox Variation (4)
        • E92 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 - King's Indian Defense: Petrosian Variation (2)
        • E92 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 a5 - King's Indian Defense: Petrosian Variation, Stein Defense (2)
      • E93 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 Nbd7 - King's Indian Defense: Petrosian Variation, Normal Defense (1)
      • E94 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O - King's Indian Defense: Orthodox Variation (11)
        • E94 - 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Re8 - King's Indian Defense: Orthodox Variation (2)
        • E94 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Bg4 - King's Indian Defense: Orthodox Variation (1)
        • E94 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Na6 - King's Indian Defense: Orthodox Variation, Glek Defense (4)
        • E94 - 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O exd4 - King's Indian Defense: Orthodox Variation (2)
        • E94 - 1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 O-O 6. Be2 e5 7. O-O h6 - King's Indian Defense: Orthodox Variation (2)
      • E95 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 - King's Indian Defense: Orthodox Variation (1)
      • E96 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nbd7 8. Re1 c6 9. Bf1 a5 - King's Indian Defense: Orthodox Variation, Positional Defense, Main Line (0)
      • E97 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 - King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense (0)
      • E98 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 - King's Indian Defense: Orthodox Variation, Classical System (1)
      • E99 - 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5 - King's Indian Defense: Orthodox Variation, Classical System, Traditional Line (0)

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