ECO B42
4 named openings and variations are classified as B42. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Sicilian Defense: Kan Variation, Gipslis VariationB421. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Nf6 6. O-O d6 7. c4 g6
- Sicilian Defense: Kan Variation, Modern VariationB421. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3
- Sicilian Defense: Kan Variation, Polugaevsky VariationB421. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5
- Sicilian Defense: Kan Variation, Swiss Cheese VariationB421. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6