Queen's Gambit Declined: Harrwitz Attack (9… Qa5 10. a3)
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. Rd1 Qa5 10. a3
The Queen's Gambit Declined: Harrwitz Attack is a chess opening classified as ECO D37, reached after 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. Rd1 Qa5 10. a3. 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: +0.23 (Stockfish, depth 55; best line 10… Be7 11. Be2 Ne4 12. cxd5 Nxc3 13. bxc3)
- ECO
- D37
- Moves
- 19 plies
- FEN
r1b2rk1/pp3ppp/2n1pn2/q1bp4/2P2B2/P1N1PN2/1PQ2PPP/3RKB1R b K - 0 10- PGN
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5 8. Qc2 Nc6 9. Rd1 Qa5 10. a3
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Master games
38 over-the-board games are classified under this line (White 32%, draw 50%, Black 18%). The strongest:
- GM Levon Aronian (2765) – GM Fabiano Caruana (2832) 1/2-1/2 · 10th London Classic 2018 · 2018-12-17
- GM Shakhriyar Mamedyarov (2809) – GM Hikaru Nakamura (2787) 1/2-1/2 · 11th Tal Mem Rapid 2018 · 2018-03-03
- GM Levon Aronian (2805) – GM Hikaru Nakamura (2781) 1/2-1/2 · 9th London Classic 2017 · 2017-12-09
- GM Shakhriyar Mamedyarov (2804) – GM Viswanathan Anand (2767) 1/2-1/2 · 80th Tata Steel GpA · 2018-01-28
- GM Shakhriyar Mamedyarov (2808) – GM Viswanathan Anand (2759) 1/2-1/2 · GCT Rapid Paris 2018 · 2018-06-20
Search all games of the Queen's Gambit Declined: Harrwitz Attack and its sub-variations
Comes from
Queen's Gambit Declined: Harrwitz Attack, Main Line 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5
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.