ECO B03
15 named openings and variations are classified as B03. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Alekhine Defense: Balogh VariationB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4
- Alekhine Defense: Exchange VariationB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6
- Alekhine Defense: Exchange Variation, Karpov VariationB031. 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: Exchange Variation, Voronezh VariationB031. 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 AttackB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4
- Alekhine Defense: Four Pawns Attack, Cambridge GambitB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g5
- Alekhine Defense: Four Pawns Attack, Fianchetto VariationB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g6
- Alekhine Defense: Four Pawns Attack, Ilyin-Zhenevsky VariationB031. 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 VariationB031. 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: Four Pawns Attack, Main LineB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be3
- Alekhine Defense: Four Pawns Attack, Tartakower VariationB031. 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
- Alekhine Defense: Four Pawns Attack, Trifunovic VariationB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 Bf5
- Alekhine Defense: Hunt VariationB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. c5
- Alekhine Defense: Modern Variation, Alekhine GambitB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. Be2
- Alekhine Defense: O'Sullivan GambitB031. e4 Nf6 2. e5 Nd5 3. d4 b5