B31 is the opening Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation of the volume B · Semi-open games: 6 half-moves to the position in the diagram, 5 variations in the ECO table.
What the games say
6,605 games in the collections, from 1857 to 2022. Mean rating of the games with ratings: 2438.
White wins 41 %, draws 35 %, Black wins 24 %
Most games: Mamedov,Rau (57), Ikonnikov, Vyacheslav (47), Lanka, Zigurds (47), McShane, Luke J (45), Yakovich, Yuri (45)
All 5 variations
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation 1.e4 c5 2.♘f3 ♘c6 3.♗b5 g6
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Gufeld Gambit 1.e4 c5 2.♘f3 ♘c6 3.♗b5 g6 4.O-O ♗g7 5.c3 e5 6.d4
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Lutikov Gambit 1.e4 c5 2.♘f3 ♘c6 3.♗b5 g6 4.O-O ♗g7 5.c3 ♘f6 6.d4
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation, Totsky Attack 1.e4 c5 2.♘f3 ♘c6 3.♗b5 g6 4.O-O ♗g7 5.c3 ♘f6 6.♕a4
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation 1.e4 c5 2.♘f3 ♘c6 3.♗b5 g6 4.O-O ♗g7 5.♖e1 e5 6.b4