ECO D63: Queen's Gambit Declined
ECO D63 is part of volume D — Closed & Semi-Closed Games.
The Lichess chess-openings dataset files 6 named lines under it.
The shortest is Queen's Gambit Declined: Orthodox Defense, Main Line:
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1.
That position has come up in 171,818 Lichess games between players rated 1600 to 2500: White won 50.2%, 7.3% were drawn and Black won 42.5%.
| Opening | Moves | Plies |
|---|---|---|
| Queen's Gambit Declined: Orthodox Defense, Main Line | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 |
13 |
| Queen's Gambit Declined: Orthodox Defense, Henneberger Variation | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 a6 |
14 |
| Queen's Gambit Declined: Orthodox Defense, Main Line | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 |
14 |
| Queen's Gambit Declined: Orthodox Defense, Swiss, Carlsbad Variation | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 a6 8. cxd5 |
15 |
| Queen's Gambit Declined: Orthodox Defense, Capablanca Variation | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bb5 |
17 |
| Queen's Gambit Declined: Orthodox Defense, Pillsbury Variation | 1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 b6 8. cxd5 exd5 9. Bd3 |
17 |