Queen's Gambit Declined: Semi-Tarrasch Defense, Krause Variation
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Nxd4 e5 7. Ndb5 a6 8. Qa4
The Queen's Gambit Declined: Semi-Tarrasch Defense, Krause Variation is a chess opening classified as ECO D50, reached after 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Nxd4 e5 7. Ndb5 a6 8. Qa4. 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: −0.24 (Stockfish, depth 34; best line 8… Bd7 9. cxd5 Bc5 10. Bxf6 Qxf6 11. Ne4)
- ECO
- D50
- Moves
- 15 plies
- FEN
rnbqkb1r/1p3ppp/p4n2/1N1pp1B1/Q1P5/2N5/PP2PPPP/R3KB1R b KQkq - 1 8- PGN
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. Nf3 cxd4 6. Nxd4 e5 7. Ndb5 a6 8. Qa4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Comes from
Queen's Gambit Declined: Been-Koomen Variation 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 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 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
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.