ECO D04 · Queen's Pawn Game

Queen's Pawn Game: Colle System, Grünfeld Formation

1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7

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

5. O-O−0.09

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

Analyze this position

In the Queen's Pawn Game: Colle System, Grünfeld Formation (D04), reached after 1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7, Stockfish 18 recommends 5. O-O for White. The position is roughly equal (−0.09).

Top engine moves

  1. −0.095. O-O c5 6. c4 dxc4 7. Bxc4 O-O 8. Nc3 cxd4 9. exd4 Bg4
  2. −0.095. c4 c5 6. O-O cxd4 7. exd4 O-O 8. Nc3 Nc6 9. h3 b6
  3. −0.125. b4 O-O 6. O-O a5 7. b5 c5 8. bxc6 Nxc6 9. Ba3 Nb4

Frequently asked questions

What is the best move in the Queen's Pawn Game: Colle System, Grünfeld Formation?
After 1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg7, Stockfish 18 at depth 18 recommends 5. O-O for White, continuing c5 6. c4 dxc4 7. Bxc4 O-O 8. Nc3 cxd4 9. exd4 Bg4. The position is roughly equal (−0.09). The next best moves are 5. c4 (−0.09) and 5. b4 (−0.12).
Is the Queen's Pawn Game: Colle System, Grünfeld Formation a good opening?
Stockfish rates the position at −0.09: 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 Pawn Game: Colle System, Grünfeld Formation?
D04. 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+).