ECO A23: English Opening
ECO A23 is part of volume A — Flank Openings.
The Lichess chess-openings dataset files 2 named lines under it.
The shortest is English Opening: King's English Variation, Two Knights Variation, Keres Variation:
1. c4 e5 2. Nc3 Nf6 3. g3 c6.
That position has come up in 621,731 Lichess games between players rated 1600 to 2500: White won 49.8%, 5.3% were drawn and Black won 44.9%.
| Opening | Moves | Plies |
|---|---|---|
| English Opening: King's English Variation, Two Knights Variation, Keres Variation | 1. c4 e5 2. Nc3 Nf6 3. g3 c6 |
6 |
| English Opening: King's English Variation, Two Knights Variation, Keres Variation | 1. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c6 |
8 |