ECO D37 · Queen's Gambit Declined

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

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White to move. The arrow shows Stockfish’s best move.
Best move

8. cxd5+0.33

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Queen's Gambit Declined: Harrwitz Attack, Main Line (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, Stockfish 18 recommends 8. cxd5 for White. White is slightly better (+0.33).

Top engine moves

  1. +0.338. cxd5 Nxd5 9. Nxd5 exd5 10. a3 Nc6 11. Bd3 Bb6 12. O-O d4
  2. +0.288. Qc2 Nc6 9. a3 Re8 10. Bg5 Be7 11. Be2 dxc4 12. Bxc4 Bd7
  3. +0.268. a3 Nc6 9. Qc2 Re8 10. b4 Bf8 11. Rd1 e5 12. Bg5 d4

Frequently asked questions

What is the best move in the Queen's Gambit Declined: Harrwitz Attack, Main Line?
After 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 c5 7. dxc5 Bxc5, Stockfish 18 at depth 18 recommends 8. cxd5 for White, continuing Nxd5 9. Nxd5 exd5 10. a3 Nc6 11. Bd3 Bb6 12. O-O d4. White is slightly better (+0.33). The next best moves are 8. Qc2 (+0.28) and 8. a3 (+0.26).
Is the Queen's Gambit Declined: Harrwitz Attack, Main Line a good opening?
Stockfish rates the position at +0.33: white is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Queen's Gambit Declined: Harrwitz Attack, Main Line?
D37. ECO codes classify chess openings from A00 to E99; D is the volume for closed and semi-closed games.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).