ECO B90: Sicilian Defense
ECO B90 is part of volume B — Semi-Open Games.
The Lichess chess-openings dataset files 10 named lines under it.
The shortest is Sicilian Defense: Najdorf Variation:
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6.
That position has come up in 17,315,826 Lichess games between players rated 1600 to 2500: White won 47.7%, 4.8% were drawn and Black won 47.5%.
| Opening | Moves | Plies |
|---|---|---|
| Sicilian Defense: Najdorf Variation | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 |
10 |
| Sicilian Defense: Najdorf Variation, Adams Attack | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 |
11 |
| Sicilian Defense: Najdorf Variation, Dekker Gambit | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g4 |
11 |
| Sicilian Defense: Najdorf Variation, English Attack | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 |
11 |
| Sicilian Defense: Najdorf Variation, Freak Attack | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 |
11 |
| Sicilian Defense: Najdorf Variation, Lipnitsky Attack | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 |
11 |
| Sicilian Defense: Najdorf Variation, English Attack, Anti-English | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 |
12 |
| Sicilian Defense: Scheveningen Variation, Delayed Keres Attack | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 |
13 |
| Sicilian Defense: Scheveningen Variation, English Attack, with f3 | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 |
13 |
| Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5 |
17 |