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

ECO B47

2 named openings and variations are classified as B47. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.

Sicilian Defense: Taimanov Variation, Bastrikov VariationB471. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7
Sicilian Defense: Taimanov Variation, Bastrikov Variation, Ponomariov GambitB471. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Ndb5 Qb8 7. Be3 a6 8. Bb6