ECO volume B: Semi-open games (other than the French)

ECO B97

2 named openings and variations are classified as B97. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.

Sicilian Defense: Najdorf Variation, Poisoned Pawn AcceptedB971. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3
Sicilian Defense: Najdorf Variation, Poisoned Pawn VariationB971. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6