ECO D63 · Queen's Gambit Declined

Queen's Gambit Declined: Orthodox Defense, Main Line

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1

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

7… h6+0.23

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Queen's Gambit Declined: Orthodox Defense, Main Line (D63), reached after 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1, Stockfish 18 recommends 7… h6 for Black. The position is roughly equal (+0.23).

Top engine moves

  1. +0.237… h6 8. Bh4 c5 9. cxd5 Nxd5 10. Bxe7 Nxe7 11. Be2 cxd4 12. Nxd4
  2. +0.267… dxc4 8. Bxc4 a6 9. a4 b6 10. O-O Bb7 11. Qc2 c5 12. Rfd1
  3. +0.277… c6 8. Bd3 dxc4 9. Bxc4 h6 10. Bh4 a6 11. a4 Nd5 12. Bg3

Other move orders

  • 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1 c6
  • 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 O-O 7. Rc1 h6 8. Bh4 c5
  • 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 O-O 6. Nf3 Nbd7 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 Nd5 10. Bxe7 Qxe7 11. O-O

Frequently asked questions

What is the best move in the Queen's Gambit Declined: Orthodox Defense, Main Line?
After 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Rc1, Stockfish 18 at depth 18 recommends 7… h6 for Black, continuing 8. Bh4 c5 9. cxd5 Nxd5 10. Bxe7 Nxe7 11. Be2 cxd4 12. Nxd4. The position is roughly equal (+0.23). The next best moves are 7… dxc4 (+0.26) and 7… c6 (+0.27).
Is the Queen's Gambit Declined: Orthodox Defense, Main Line a good opening?
Stockfish rates the position at +0.23: the position is roughly equal. 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: Orthodox Defense, Main Line?
D63. 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+).