Code ECO B20 – Sicilian Defense
Coups: 1. e4 c5
├── 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)
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B21 - 1. e4 c5 2. d4 - Sicilian Defense: Smith-Morra Gambit (3)
Sicilian Defense: Smith-Morra Gambit Coups: 1. e4 c5 2. d4 -
B21 - 1. e4 c5 2. f4 d5 3. Bb5 Bd7 4. Bxd7 Qxd7 - Sicilian Defense: McDonnell Attack (3)
Sicilian Defense: McDonnell Attack -
B22 - 1. e4 c5 2. c3 - Sicilian Defense: Alapin Variation (2)
Sicilian Defense: Alapin Variation Coups: 1. e4 c5 2. c3 -
B22 - 1. e4 c5 2. c3 d5 3. exd5 Qxd5 - Sicilian Defense: Alapin Variation, Barmen Defense (7)
Sicilian Defense: Alapin Variation, Barmen Defense Coups: 1. e4 c5 2. c3 d5 3. exd5 Qxd5 -
B22 - 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 - Sicilian Defense: Delayed Alapin Variation (5)
Sicilian Defense: Delayed Alapin Variation Coups: 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 -
B22 - 1. e4 c5 2. Nf3 Nc6 3. c3 (2)
Sicilian Defense: Alapin Variation, Stoltz Attack -
B23 - 1. e4 c5 2. Nc3 - Sicilian Defense (6)
Code ECO B23 - Sicilian Defense Coups: 1. e4 c5 2. Nc3 -
B23 - 1. e4 c5 2. Nc3 Nc6 - Sicilian Defense: Closed, Traditional (5)
Sicilian Defense: Closed, Traditional Coups: 1. e4 c5 2. Nc3 Nc6 -
B23 - 1. e4 c5 2. Ne2 (1)
Sicilian Defense: Closed, Chameleon Variation -
B27 - 1. e4 c5 2. Nf3 g6 - Sicilian Defense: Hyperaccelerated Dragon (7)
Sicilian Defense: Hyperaccelerated Dragon Coups: 1. e4 c5 2. Nf3 g6 -
B27 - 1. e4 c5 2. Nf3 g6 3. d4 - Sicilian Defense: Hyperaccelerated Fianchetto (1)
Sicilian Defense: Hyperaccelerated Fianchetto Coups: 1. e4 c5 2. Nf3 g6 3. d4 -
B28 - 1. e4 c5 2. Nf3 a6 - Sicilian Defense: O'Kelly Variation (2)
Sicilian Defense: O'Kelly Variation Coups: 1. e4 c5 2. Nf3 a6
