ECO B31
5 named openings and variations are classified as B31. ECO (Encyclopaedia of Chess Openings) codes group openings from A00 to E99 by their opening moves.
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto VariationB311. e4 c5 2. Nf3 Nc6 3. Bb5 g6
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld GambitB311. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 e5 6. d4
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Lutikov GambitB311. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. d4
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Totsky AttackB311. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. c3 Nf6 6. Qa4
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Gurgenidze VariationB311. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. b4