ECO A09: Réti Opening
ECO A09 is part of volume A, Flank Openings.
The Lichess chess-openings dataset files 9 named lines under it.
The shortest is Réti Opening:
1. Nf3 d5 2. c4.
That position has come up in 5,820,130 Lichess games between players rated 1600 to 2500: White won 53.3%, 5.3% were drawn and Black won 41.4%.
| Opening | Moves | Games | Length |
|---|---|---|---|
| Réti Opening | 1. Nf3 d5 2. c4 |
5.8M | 2 moves |
| Réti Opening: Advance Variation | 1. Nf3 d5 2. c4 d4 |
1.3M | 2 moves |
| Réti Opening: Réti Accepted | 1. Nf3 d5 2. c4 dxc4 |
1.4M | 2 moves |
| Réti Opening: Zilbermints Gambit | 1. Nf3 d5 2. c4 b5 |
209 | 2 moves |
| Réti Opening: Penguin Variation | 1. Nf3 d5 2. c4 d4 3. Rg1 |
67 | 3 moves |
| Réti Opening: Advance Variation, Michel Gambit | 1. Nf3 d5 2. c4 d4 3. b4 c5 |
49K | 3 moves |
| Réti Opening: Advance Variation, Navara Gambit | 1. Nf3 d5 2. c4 d4 3. b4 g5 |
8,421 | 3 moves |
| Réti Opening: Réti Gambit, Keres Variation | 1. Nf3 d5 2. c4 dxc4 3. e3 Be6 |
42K | 3 moves |
| Réti Opening: Reversed Blumenfeld Gambit | 1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4 |
162K | 4 moves |