B00 — King's Pawn Game
Semi-Open Games incl. Sicilian (B00–B99)
ECO B00 covers King's Pawn Game and related lines (King's Pawn Game, Barnes Defense, Borg Defense, Carr Defense). Main line 1. e4 with variations, statistics, and the best responses.
83 lines under B00
King's Pawn Game
1. e4
Barnes Defense
1. e4 f6
Borg Defense
1. e4 g5
Carr Defense
1. e4 h6
Duras Gambit
1. e4 f5
Goldsmith Defense
1. e4 h5
Hippopotamus Defense
1. e4 Nh6
Lemming Defense
1. e4 Na6
Nimzowitsch Defense
1. e4 Nc6
Owen Defense
1. e4 b6
Pirc Defense
1. e4 d6
St. George Defense
1. e4 a6
Ware Defense
1. e4 a5
Nimzowitsch Defense
1. e4 Nc6 2. d4
Nimzowitsch Defense: Declined Variation
1. e4 Nc6 2. Nf3
Nimzowitsch Defense: Pseudo-Spanish Variation
1. e4 Nc6 2. Bb5
Nimzowitsch Defense: Wheeler Gambit
1. e4 Nc6 2. b4
Pirc Defense
1. e4 d6 2. d4
Rat Defense: Harmonist
1. e4 d6 2. f4
Rat Defense: Petruccioli Attack
1. e4 d6 2. h4
Rat Defense: Spike Attack
1. e4 d6 2. g4
Borg Defense: Borg Gambit
1. e4 g5 2. d4 Bg7
Borg Defense: Zilbermints Gambit
1. e4 g5 2. d4 e5
Carr Defense: Zilbermints Gambit
1. e4 h6 2. d4 e5
Fried Fox Defense
1. e4 f6 2. d4 Kf7
Goldsmith Defense: Picklepuss Defense
1. e4 h5 2. d4 Nf6
Nimzowitsch Defense: Colorado Countergambit
1. e4 Nc6 2. Nf3 f5
Nimzowitsch Defense: Franco-Nimzowitsch Variation
1. e4 Nc6 2. Nf3 e6
Nimzowitsch Defense: French Connection
1. e4 Nc6 2. Nc3 e6
Nimzowitsch Defense: Kennedy Variation
1. e4 Nc6 2. d4 e5
Nimzowitsch Defense: Mikenas Variation
1. e4 Nc6 2. d4 d6
Nimzowitsch Defense: Neo-Mongoloid Defense
1. e4 Nc6 2. d4 f6
Nimzowitsch Defense: Pirc Connection
1. e4 Nc6 2. Nc3 g6
Nimzowitsch Defense: Scandinavian Variation
1. e4 Nc6 2. d4 d5
Nimzowitsch Defense: Williams Variation
1. e4 Nc6 2. Nf3 d6
Nimzowitsch Defense: Woodchuck Variation
1. e4 Nc6 2. d4 a6
Owen Defense: Guatemala Defense
1. e4 b6 2. d4 Ba6
Pirc Defense
1. e4 d6 2. d4 Nf6
Rat Defense: Antal Defense
1. e4 d6 2. d4 Nd7
St. George Defense: Zilbermints Gambit
1. e4 a6 2. d4 e5
Ware Defense: Snagglepuss Defense
1. e4 a5 2. d4 Nc6
Lion Defense: Lion's Jaw
1. e4 d6 2. d4 Nf6 3. f3
Nimzowitsch Defense: Colorado Countergambit Accepted
1. e4 Nc6 2. Nf3 f5 3. exf5
Nimzowitsch Defense: Hornung Gambit
1. e4 Nc6 2. d4 d5 3. Be3
Nimzowitsch Defense: Kennedy Variation, Linksspringer Variation
1. e4 Nc6 2. d4 e5 3. d5
Nimzowitsch Defense: Scandinavian Variation, Advance Variation
1. e4 Nc6 2. d4 d5 3. e5
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation
1. e4 Nc6 2. d4 d5 3. Nc3
Owen Defense: Naselwaus Gambit
1. e4 b6 2. d4 Bb7 3. Bg5
Owen Defense: Smith Gambit
1. e4 b6 2. d4 Bb7 3. Nf3
Pirc Defense: Roscher Gambit
1. e4 d6 2. d4 Nf6 3. Nf3
Borg Defense: Troon Gambit
1. e4 g5 2. d4 h6 3. h4 g4
Hippopotamus Defense
1. e4 Nh6 2. d4 g6 3. c4 f6
Nimzowitsch Defense: Breyer Variation
1. e4 Nc6 2. Nc3 Nf6 3. d4 e5
Nimzowitsch Defense: El Columpio Defense
1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4
Nimzowitsch Defense: Kennedy Variation, Bielefelder Gambit
1. e4 Nc6 2. d4 e5 3. dxe5 Bc5
Nimzowitsch Defense: Kennedy Variation, de Smet Gambit
1. e4 Nc6 2. d4 e5 3. dxe5 d6
Nimzowitsch Defense: Kennedy Variation, Hammer Gambit
1. e4 Nc6 2. d4 e5 3. dxe5 f6
Nimzowitsch Defense: Kennedy Variation, Herford Gambit
1. e4 Nc6 2. d4 e5 3. dxe5 Qh4
Nimzowitsch Defense: Scandinavian Variation, Aachen Gambit
1. e4 Nc6 2. d4 d5 3. exd5 Nb4
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation
1. e4 Nc6 2. d4 d5 3. Nc3 dxe4
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Brandics Gambit
1. e4 Nc6 2. d4 d5 3. Nc3 a6
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Erben Gambit
1. e4 Nc6 2. d4 d5 3. Nc3 g6
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Heinola-Deppe Gambit
1. e4 Nc6 2. d4 d5 3. Nc3 e5
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Vehre Variation
1. e4 Nc6 2. d4 d5 3. Nc3 Nf6
Nimzowitsch Defense: Scandinavian Variation, Exchange Variation
1. e4 Nc6 2. d4 d5 3. exd5 Qxd5
Owen Defense: Hekili-Loa Gambit
1. e4 b6 2. d4 c5 3. dxc5 Nc6
Owen Defense: Unicorn Variation
1. e4 f6 2. d4 b6 3. c4 Bb7
Owen Defense: Wind Gambit
1. e4 b6 2. d4 Bb7 3. f3 e5
Rat Defense: Fuller Gambit
1. e4 d6 2. f4 d5 3. exd5 Nf6
Nimzowitsch Defense: Kennedy Variation, Keres Attack
1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nc3
Nimzowitsch Defense: Kennedy Variation, Paulsen Attack
1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nf3
Nimzowitsch Defense: Scandinavian Variation, Exchange Variation, Marshall Gambit
1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nc3
Van Geet Opening: Berlin Gambit
1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5
Nimzowitsch Defense: Kennedy Variation, Main Line
1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Ng6
Nimzowitsch Defense: Kennedy Variation, Riemann Defense
1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Nc6
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Nimzowitsch Gambit
1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Ne5
St. George Defense: Polish Variation
1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 e6
Nimzowitsch Defense: Scandinavian Variation, Bogoljubow Variation, Richter Gambit
1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Nb8 5. f3
Owen Defense: Matovinsky Gambit
1. e4 b6 2. d4 Bb7 3. Bd3 f5 4. exf5 Bxg2 5. Qh5+ g6
Nimzowitsch Defense: El Columpio Defense, El Columpio Gambit
1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 d6 5. h3 Nh6 6. e6
Nimzowitsch Defense: El Columpio Defense, Exchange Variation
1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 d6 5. h3 Nh6 6. exd6
Nimzowitsch Defense: El Columpio Defense, Pin Variation
1. e4 Nc6 2. Nf3 Nf6 3. e5 Ng4 4. d4 d6 5. h3 Nh6 6. Bb5
St. George Defense: San Jorge Variation
1. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 d6 5. O-O g6 6. c3 Bg7
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