ECO D51: Queen's Gambit Declined
ECO D51 is part of volume D, Closed & Semi-Closed Games.
The Lichess chess-openings dataset files 7 named lines under it.
The shortest is Queen's Gambit Declined: Modern Variation, Knight Defense:
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7.
That position has come up in 845,771 Lichess games between players rated 1600 to 2500: White won 47.7%, 5.8% were drawn and Black won 46.5%.
| Opening | Moves | Games | Length |
|---|---|---|---|
| Queen's Gambit Declined: Modern Variation, Knight Defense | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 |
846K | 4 moves |
| Queen's Gambit Declined: Modern Variation, Knight Defense | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 |
419K | 5 moves |
| Queen's Gambit Declined: Manhattan Variation | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Bb4 |
79K | 5 moves |
| Queen's Gambit Declined: Modern Variation, Knight Defense | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 |
474K | 5 moves |
| Queen's Gambit Declined: Alekhine Variation | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e4 |
79K | 6 moves |
| Queen's Gambit Declined: Capablanca Variation, Anti-Cambridge Springs Variation | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. a3 |
27K | 6 moves |
| Queen's Gambit Declined: Rochlin Variation | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. Rc1 Qa5 7. Bd2 |
468 | 7 moves |