ECO B23: Sicilian Defense
ECO B23 is part of volume B — Semi-Open Games.
The Lichess chess-openings dataset files 11 named lines under it.
The shortest is Sicilian Defense: Closed:
1. e4 c5 2. Nc3.
That position has come up in 33,223,220 Lichess games between players rated 1600 to 2500: White won 49.3%, 4.9% were drawn and Black won 45.9%.
| Opening | Moves | Plies |
|---|---|---|
| Sicilian Defense: Closed | 1. e4 c5 2. Nc3 |
3 |
| Sicilian Defense: Closed | 1. e4 c5 2. Nc3 e6 |
4 |
| Sicilian Defense: Closed, Traditional | 1. e4 c5 2. Nc3 Nc6 |
4 |
| Sicilian Defense: Closed | 1. e4 c5 2. Nc3 e6 3. g3 |
5 |
| Sicilian Defense: Closed, Chameleon Variation | 1. e4 c5 2. Nc3 Nc6 3. Nge2 |
5 |
| Sicilian Defense: Closed, Grob Attack | 1. e4 c5 2. Nc3 Nc6 3. g4 |
5 |
| Sicilian Defense: Grand Prix Attack | 1. e4 c5 2. Nc3 Nc6 3. f4 |
5 |
| Sicilian Defense: Closed, Korchnoi Defense | 1. e4 c5 2. Nc3 e6 3. g3 d5 |
6 |
| Sicilian Defense: Closed, Portland Attack | 1. e4 c5 2. Nc3 Nc6 3. d3 g6 4. g4 |
7 |
| Sicilian Defense: Closed, Carlsen Variation | 1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 |
9 |
| Sicilian Defense: Grand Prix Attack, Schofman Variation | 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 |
11 |