ECO A11: Réti Opening & English Opening
ECO A11 is part of volume A, Flank Openings.
The Lichess chess-openings dataset files 12 named lines under it, from 2 different openings.
The shortest is English Opening: Caro-Kann Defensive System:
1. c4 c6.
That position has come up in 6,525,530 Lichess games between players rated 1600 to 2500: White won 48.1%, 6.0% were drawn and Black won 45.9%.
| Opening | Moves | Games | Length |
|---|---|---|---|
| English Opening: Caro-Kann Defensive System | 1. c4 c6 |
6.5M | 1 move |
| Réti Opening: Anglo-Slav Variation, Gurevich System | 1. c4 c6 2. Nf3 d5 3. e3 |
710K | 3 moves |
| Réti Opening: Anglo-Slav Variation, Gurevich System | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Qc2 |
22K | 4 moves |
| Réti Opening: Anglo-Slav Variation, with g3 | 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 |
723K | 4 moves |
| Réti Opening: Anglo-Slav Variation, with g3 | 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. b3 g6 |
13K | 4 moves |
| Réti Opening: Anglo-Slav Variation, with g3 | 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 dxc4 |
128K | 4 moves |
| Réti Opening: Anglo-Slav Variation, with g3 | 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bf5 |
241K | 4 moves |
| Réti Opening: Anglo-Slav Variation, Gurevich System | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Nbd7 5. Qc2 |
2,855 | 5 moves |
| Réti Opening: Anglo-Slav Variation, Gurevich System | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Nbd7 5. b3 e5 |
3,912 | 5 moves |
| Réti Opening: Anglo-Slav Variation, Gurevich System | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 e6 5. b3 Bd6 |
36K | 5 moves |
| Réti Opening: Anglo-Slav Variation, with g3 | 1. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bf5 5. O-O e6 6. d3 |
79K | 6 moves |
| Réti Opening: Anglo-Slav Variation, with g3 | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf5 5. d3 h6 6. c4 e6 |
60K | 6 moves |