ECO B25: Sicilian Defense
ECO B25 is part of volume B — Semi-Open Games.
The Lichess chess-openings dataset files 5 named lines under it.
The shortest is Sicilian Defense: Closed:
1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6.
That position has come up in 641,537 Lichess games between players rated 1600 to 2500: White won 49.7%, 6.1% were drawn and Black won 44.2%.
| Opening | Moves | Plies |
|---|---|---|
| Sicilian Defense: Closed | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 |
10 |
| Sicilian Defense: Closed | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 |
11 |
| Sicilian Defense: Closed, Botvinnik Defense, with f4 | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 |
12 |
| Sicilian Defense: Closed, Botvinnik Defense, with Nge2 | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Nge2 e5 |
12 |
| Sicilian Defense: Closed, Botvinnik Defense, Edge Variation | 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 Nge7 |
14 |