ECO D40: Queen's Gambit Declined: Semi-Tarrasch Defense
ECO D40 is part of volume D, Closed & Semi-Closed Games.
The Lichess chess-openings dataset files 4 named lines under it.
The shortest is Queen's Gambit Declined: Semi-Tarrasch Defense:
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5.
All of them are lines of the
Queen's Gambit Declined: Semi-Tarrasch Defense.
That position has come up in 2,194,020 Lichess games between players rated 1600 to 2500: White won 49.3%, 6.4% were drawn and Black won 44.3%.
| Opening | Moves | Games | Length |
|---|---|---|---|
| Queen's Gambit Declined: Semi-Tarrasch Defense | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 |
2.2M | 4 moves |
| Queen's Gambit Declined: Semi-Tarrasch Defense, Pillsbury Variation | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg5 |
714K | 5 moves |
| Queen's Gambit Declined: Semi-Tarrasch Defense, Symmetrical Variation | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O |
16K | 7 moves |
| Queen's Gambit Declined: Semi-Tarrasch Defense, Levenfish Variation | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. Bd3 Bd6 7. O-O O-O 8. Qe2 Qe7 9. dxc5 Bxc5 10. e4 |
6 | 10 moves |