├── 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)
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B30 - 1. e4 c5 2. Nf3 Nc6 - Sicilian Defense: Old Sicilian (7)
Sicilian Defense: Old Sicilian Coups: 1. e4 c5 2. Nf3 Nc6 -
B30 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 - Sicilian Defense: Nyezhmetdinov-Rossolimo Attack (46)
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack Coups: 1. e4 c5 2. Nf3 Nc6 3. Bb5 -
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)
Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 Coups: 1. e4 c5 2. Nf3 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 -
B31 - 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 - Sicilian Defense (17)
Code ECO B31 - Sicilian Defense Coups: 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 -
B32 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 - Sicilian Defense: Kalashnikov Variation (3)
Sicilian Defense: Kalashnikov Variation Coups: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 -
B33 - 1. e4 c5 2. Ne2 Nc6 3. Nbc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Nd5 (4)
Sicilian Defense: Lasker-Pelikan Variation -
B33 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 - Sicilian Defense: Lasker-Pelikan Variation (2)
Sicilian Defense: Lasker-Pelikan Variation Coups: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 -
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)
Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation Coups: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 -
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)
Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation Coups: 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 -
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)
Sicilian Defense: Four Knights Variation, Cobra Variation Coups: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Ndb5 Bc5 -
B34 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 - Sicilian Defense: Accelerated Dragon, Modern Variation (1)
Sicilian Defense: Accelerated Dragon, Modern Variation Coups: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 -
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)
Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation Coups: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 -
B36 - 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 - Sicilian Defense: Accelerated Dragon, Maróczy Bind (1)
Sicilian Defense: Accelerated Dragon, Maróczy Bind Coups: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 -
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)
Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation Coups: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d6 -
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)
Sicilian Defense: Accelerated Dragon, Maróczy Bind Coups: 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3