Queen's Gambit Declined: Semi-Tarrasch Defense, with e3
1. d4 d5 2. c4 c5 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nc6 6. Bd3
The Queen's Gambit Declined: Semi-Tarrasch Defense, with e3 is a chess opening classified as ECO D40, reached after 1. d4 d5 2. c4 c5 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nc6 6. Bd3. It is a line of the Queen's Gambit Declined. Black is to move.
This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.
Engine evaluation: 0.00 (Stockfish, depth 42; best line 6… dxc4 7. Bxc4 cxd4 8. exd4 Be7 9. O-O)
- ECO
- D40
- Moves
- 11 plies
- FEN
r1bqkb1r/pp3ppp/2n1pn2/2pp4/2PP4/2NBPN2/PP3PPP/R1BQK2R b KQkq - 2 6- PGN
1. d4 d5 2. c4 c5 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nc6 6. Bd3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Comes from
Queen's Gambit Declined: Austrian Defense 1. d4 d5 2. c4 c5
More Queen's Gambit Declined lines (all)
- Queen's Gambit Declined: Baltic Defense, Pseudo-Slav D02
- Queen's Gambit Declined: Austrian Attack, Salvio Countergambit D06
- Queen's Gambit Declined: Austrian Defense, Gusev Countergambit D06
- Queen's Gambit Declined: Austrian Defense, Haberditz Variation D06
- Queen's Gambit Declined: Baltic Defense D06
- Queen's Gambit Declined: Baltic Defense, Argentinian Gambit D06
- Queen's Gambit Declined: Baltic Defense, Pseudo-Chigorin D06
- Queen's Gambit Declined: Baltic Defense, Queen Attack D06
- Queen's Gambit Declined: Baltic Defense, Queen Attack Deferred D06
- Queen's Gambit Declined: Marshall Defense D06
- Queen's Gambit Declined: Marshall Defense, Tan Gambit D06
- Queen's Gambit Declined: Zilbermints Gambit D06
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.