ECO D00 · Queen's Pawn Game

Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit

1. d4 d5 2. Bf4 c5 3. e4

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

3… dxe4−0.15

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

Analyze this position

In the Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit (D00), reached after 1. d4 d5 2. Bf4 c5 3. e4, Stockfish 18 recommends 3… dxe4 for Black. The position is roughly equal (−0.15).

Top engine moves

  1. −0.153… dxe4 4. d5 Nf6 5. Nc3 g6 6. Qd2 Bg7 7. Bh6 O-O 8. O-O-O
  2. −0.123… Nc6 4. Bb5 e6 5. c4 cxd4 6. Qxd4 Nf6 7. exd5 Bb4+ 8. Bd2
  3. +0.023… Nf6 4. e5 Nfd7 5. c4 cxd4 6. Nf3 e6 7. cxd5 Bb4+ 8. Nbd2

Frequently asked questions

What is the best move in the Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit?
After 1. d4 d5 2. Bf4 c5 3. e4, Stockfish 18 at depth 18 recommends 3… dxe4 for Black, continuing 4. d5 Nf6 5. Nc3 g6 6. Qd2 Bg7 7. Bh6 O-O 8. O-O-O. The position is roughly equal (−0.15). The next best moves are 3… Nc6 (−0.12) and 3… Nf6 (+0.02).
Is the Queen's Pawn Game: Accelerated London System, Steinitz Countergambit, Morris Countergambit a good opening?
Stockfish rates the position at −0.15: 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: Accelerated London System, Steinitz Countergambit, Morris Countergambit?
D00. 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+).