B03 — Alekhine Defense
Semi-Open Games incl. Sicilian (B00–B99)
1. e4 Nf6 2. e5 Nd5 3. d4
Full page: Alekhine Defense →ECO B03 covers Alekhine Defense and related lines (Alekhine Defense, Alekhine Defense: O'Sullivan Gambit, Alekhine Defense: Balogh Variation, Alekhine Defense: Exchange Variation). Main line 1. e4 Nf6 2. e5 Nd5 3. d4 with variations, statistics, and the best responses.
18 lines under B03
Alekhine Defense
1. e4 Nf6 2. e5 Nd5 3. d4
Alekhine Defense
1. e4 Nf6 2. e5 Nd5 3. d4 d6
Alekhine Defense: O'Sullivan Gambit
1. e4 Nf6 2. e5 Nd5 3. d4 b5
Alekhine Defense
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4
Alekhine Defense: Balogh Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4
Alekhine Defense: Exchange Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6
Alekhine Defense: Four Pawns Attack
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4
Alekhine Defense: Hunt Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. c5
Alekhine Defense: Four Pawns Attack, Cambridge Gambit
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g5
Alekhine Defense: Four Pawns Attack, Fianchetto Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6
Alekhine Defense: Four Pawns Attack, Trifunovic Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 Bf5
Alekhine Defense: Modern Variation, Alekhine Gambit
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. Be2
Alekhine Defense: Four Pawns Attack, Main Line
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3
Alekhine Defense: Exchange Variation, Voronezh Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b3
Alekhine Defense: Four Pawns Attack, Ilyin-Zhenevsky Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Nf3 Bg4 8. e6 fxe6 9. c5
Alekhine Defense: Four Pawns Attack, Korchnoi Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nc3 e6 8. Nf3 Be7 9. Be2 O-O 10. O-O f6
Alekhine Defense: Exchange Variation, Karpov Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. h3 Bg7 8. Nf3 O-O 9. Be2 Nc6 10. O-O Bf5 11. Bf4
Alekhine Defense: Four Pawns Attack, Tartakower Variation
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3 Bf5 8. Nc3 e6 9. Nf3 Qd7 10. Be2 O-O-O 11. O-O Be7
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