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

ECO B73

2 named openings and variations are classified as B73. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.

Sicilian Defense: Dragon Variation, Classical Variation, Battery VariationB731. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. O-O O-O 8. Be3 Nc6 9. Qd2
Sicilian Defense: Dragon Variation, Classical Variation, Zollner GambitB731. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. Be2 Nf6 7. Nc3 O-O 8. O-O d6 9. f4 Qb6 10. e5