├── 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)
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A40 - 1. d4 - Queen's Pawn Game (5)
Queen's Pawn Game Coups: 1. d4 -
A45 - 1. d4 Nf6 - Indian Defense (38)
Indian Defense (A45) Coups: 1. d4 Nf6 -
A45 - 1. d4 Nf6 2. Bf4 b6 - Indian Defense: Accelerated London System (1)
Indian Defense: Accelerated London System -
A46 - 1. d4 Nf6 2. Nf3 - Indian Defense: Knights Variation (20)
Indian Defense: Knights Variation Coups: 1. d4 Nf6 2. Nf3 -
A47 - 1. d4 Nf6 2. Nf3 b6 - Pseudo Queen's Indian Defense (1)
Pseudo Queen's Indian Defense Coups: 1. d4 Nf6 2. Nf3 b6 -
A48 - 1. d4 Nf6 2. Bg5 d5 3. e3 g6 4. Nf3 Bg7 - Queen's Pawn Game: Torre Attack, Grünfeld Variation, Main Line (1)
Queen's Pawn Game: Torre Attack, Grünfeld Variation, Main Line -
A48 - 1. d4 Nf6 2. Nf3 g6 - East Indian Defense (14)
Code ECO A48 - East Indian Defense Coups: 1. d4 Nf6 2. Nf3 g6 -
A48 - 1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 - Queen's Pawn Game: Barry Attack (1)
Queen's Pawn Game: Barry Attack -
A49 - 1. d4 Nf6 2. Nf3 g6 3. g3 - Indian Defense: Przepiorka Variation (2)
Indian Defense: Przepiorka Variation Coups: 1. d4 Nf6 2. Nf3 g6 3. g3










