B25 is the opening Sicilian Defense: Closed of the volume B · Semi-open games: 10 half-moves to the position in the diagram, 5 variations in the ECO table.
What the games say
4,049 games in the collections, from 1881 to 2022. Mean rating of the games with ratings: 2386.
White wins 25 %, draws 34 %, Black wins 41 %
Most games: Bastian, Herbert (66), Rogulj, Branko (64), Starostits, Ilmars (63), Spassky, Boris V (60), Medina Garcia, Antonio Angel (58)
All 5 variations
- Sicilian Defense: Closed 1.e4 c5 2.♘c3 ♘c6 3.g3 g6 4.♗g2 ♗g7 5.d3 d6
- Sicilian Defense: Closed 1.e4 c5 2.♘c3 ♘c6 3.g3 g6 4.♗g2 ♗g7 5.d3 d6 6.f4
- Sicilian Defense: Closed, Botvinnik Defense, Edge Variation 1.e4 c5 2.♘c3 ♘c6 3.g3 g6 4.♗g2 ♗g7 5.d3 d6 6.f4 e5 7.♘h3 ♘ge7
- Sicilian Defense: Closed, Botvinnik Defense, with Nge2 1.e4 c5 2.♘c3 ♘c6 3.g3 g6 4.♗g2 ♗g7 5.d3 d6 6.♘ge2 e5
- Sicilian Defense: Closed, Botvinnik Defense, with f4 1.e4 c5 2.♘c3 ♘c6 3.g3 g6 4.♗g2 ♗g7 5.d3 d6 6.f4 e5