├── B40 - 1. e4 c5 2. Nf3 e6 - Sicilian Defense: French Variation (44) │ ├── 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. Be2 - Sicilian Defense: French Variation (3) │ ├── B40 - 1. e4 c5 2. Nf3 e6 3. c3 - Sicilian Defense: Delayed Alapin Variation, with e6 (32) │ │ └── B40 - 1. e4 c5 2. Nf3 e6 3. c3 Nf6 4.... - Sicilian Defense (32) │ │ └── 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 - Sicilian Defense: Delayed Alapin Variation, with e6 (1) │ ├── B40 - 1. e4 c5 2. Nf3 e6 3. c4 - Sicilian Defense: Kramnik Variation (0) │ ├── B40 - 1. e4 c5 2. Nf3 e6 3. d3 - Sicilian Defense: French Variation (8) │ ├── 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 (4) │ │ ├── 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 (4) │ │ │ ├── B40 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 - Sicilian Defense: Pin Variation (3) │ │ │ │ ├── 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. 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. Nc3 a6 4. g3 b5 5. d4 cxd4 6. Nxd4 - Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation (1) ├── B40 - 1. e4 c5 2. Nf3 e6 - Sicilian Defense: French Variation (33) ├── B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (4) │ ├── B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 - Sicilian Defense: Kan Variation (3) │ │ ├── B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. a3 - 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 (2) │ │ ├── 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 - Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation (1) │ │ └── B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 - Sicilian Defense: Kan Variation, Maróczy Bind, Réti 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. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 - Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation (1) │ └── B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Qxd4 - Sicilian Defense (1) ├── B42 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (2) │ └── 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 - Sicilian Defense: Kan Variation, Modern Variation (1) │ │ └── B42 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O - Sicilian Defense: Kan Variation, Modern Variation (1) │ │ └── 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. Nxd4 a6 5. Bd3 Qc7 - Sicilian Defense: Kan Variation (1) ├── B43 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (1) │ └── B43 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 - Sicilian Defense: Kan Variation, Knight Variation (1) │ └── 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 - 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 Bb7 - 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) ├── 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.... - Sicilian Defense (19) │ └── B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 - Sicilian Defense: Taimanov Variation (19) │ ├── B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bc5 - 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 (18) │ ├── 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 Nc6 5. Nc3 Nf6 6. Qd3 - Sicilian Defense: Four Knights Variation (3) │ ├── B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. a3 - Sicilian Defense: Four Knights Variation (7) │ └── 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 (8) │ └── 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 (8) ├── B46 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (1) │ └── B46 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 - Sicilian Defense: Taimanov Variation (1) ├── B47 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 - Sicilian Defense: Taimanov Variation, Bastrikov Variation (6) │ ├── B47 - 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 - Sicilian Defense: Taimanov Variation, Bastrikov Variation (1) │ ├── B47 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g4 - Sicilian Defense: Taimanov Variation, Bastrikov Variation (1) │ ├── B47 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ncb5 - Sicilian Defense: Taimanov Variation (1) │ ├── 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) │ ├── B47 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Qd3 - Sicilian Defense: Taimanov Variation, Bastrikov Variation (1) │ └── B47 - 1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Be2 - Sicilian Defense: Taimanov Variation, Bastrikov Variation (2) ├── B48 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (5) │ └── 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) └── B49 - 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)
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B40 - 1. e4 c5 2. Nf3 e6 - Sicilian Defense: French Variation (33)
Sicilian Defense: French Variation (B40) Coups: 1. e4 c5 2. Nf3 e6 -
B40 - 1. e4 c5 2. Nf3 e6 - Sicilian Defense: French Variation (44)
Sicilian Defense: French Variation (B40) Coups: 1. e4 c5 2. Nf3 e6 -
B41 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (4)
Code ECO B41 - Sicilian Defense Coups: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 -
B42 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (2)
Code ECO B42 - Sicilian Defense Coups: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 g6 -
B43 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (1)
Code ECO B43 - Sicilian Defense Coups: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 -
B44 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 - Sicilian Defense: Taimanov Variation (1)
Sicilian Defense: Taimanov Variation (B44) Coups: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 -
B45 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (19)
Code ECO B45 - Sicilian Defense Coups: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 -
B46 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (1)
Code ECO B46 - Sicilian Defense Coups: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 -
B47 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 - Sicilian Defense: Taimanov Variation, Bastrikov Variation (6)
Sicilian Defense: Taimanov Variation, Bastrikov Variation Coups: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 -
B48 - 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4.... - Sicilian Defense (5)
Code ECO B48 - Sicilian Defense Coups: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3










