ECO D30: Queen's Gambit Declined & Semi-Slav Defense
ECO D30 is part of volume D, Closed & Semi-Closed Games.
The Lichess chess-openings dataset files 12 named lines under it, from 2 different openings.
The shortest is Queen's Gambit Declined:
1. d4 d5 2. c4 e6.
That position has come up in 49,178,184 Lichess games between players rated 1600 to 2500: White won 50.9%, 5.5% were drawn and Black won 43.6%.
| Opening | Moves | Games | Length |
|---|---|---|---|
| Queen's Gambit Declined | 1. d4 d5 2. c4 e6 |
49.2M | 2 moves |
| Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch | 1. d4 d5 2. c4 e6 3. Nf3 c5 |
1.4M | 3 moves |
| Queen's Gambit Declined: Traditional Variation | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 |
2M | 4 moves |
| Queen's Gambit Declined: Capablanca Variation | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 h6 |
117K | 4 moves |
| Queen's Gambit Declined: Vienna Variation | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+ |
125K | 4 moves |
| Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch Bishop Attack | 1. d4 d5 2. c4 e6 3. Nf3 c5 4. cxd5 exd5 5. Bg5 |
14K | 5 moves |
| Semi-Slav Defense: Quiet Variation | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 |
214K | 5 moves |
| Queen's Gambit Declined: Spielmann Variation | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. e3 c6 5. Nbd2 g6 |
3,760 | 5 moves |
| Semi-Slav Defense: Quiet Variation | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7 |
79K | 5 moves |
| Queen's Gambit Declined: Capablanca Variation | 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Bg5 c6 5. Nbd2 Nbd7 6. e3 |
17K | 6 moves |
| Queen's Gambit Declined: Semmering Variation | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7 6. Bd3 c5 |
689 | 6 moves |
| Queen's Gambit Declined: Stonewall Variation | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Ne4 6. Bd3 f5 |
3,084 | 6 moves |