ECO D68: Queen's Gambit Declined: Orthodox Defense
ECO D68 is part of volume D, Closed & Semi-Closed Games.
The Lichess chess-openings dataset files 3 named lines under it.
The shortest is Queen's Gambit Declined: Orthodox Defense, Classical Variation:
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5.
All of them are lines of the
Queen's Gambit Declined: Orthodox Defense.
That position has come up in 12,139 Lichess games between players rated 1600 to 2500: White won 45.1%, 12.0% were drawn and Black won 42.9%.
| Opening | Moves | Games | Length |
|---|---|---|---|
| Queen's Gambit Declined: Orthodox Defense, Classical Variation | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 |
12K | 12 moves |
| Queen's Gambit Declined: Orthodox Defense, Classical Variation | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qb1 |
114 | 13 moves |
| Queen's Gambit Declined: Orthodox Defense, Classical Variation | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O Nxc3 12. Rxc3 e5 13. Qc2 |
940 | 13 moves |