ECO B52
3 named openings and variations are classified as B52. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Sicilian Defense: Moscow Variation, Haag GambitB521. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. O-O Nc6 6. c3 Nf6 7. d4
- Sicilian Defense: Moscow Variation, Main LineB521. e4 c5 2. Nf3 d6 3. Bb5+ Bd7
- Sicilian Defense: Moscow Variation, Sokolsky VariationB521. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4