ECO A00 · Grob Opening

Grob Opening: Grob Gambit, Richter-Grob Gambit

1. g4 d5 2. Bg2 c6 3. c4 dxc4 4. b3

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

4… Bxg4−1.56

Black is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Grob Opening: Grob Gambit, Richter-Grob Gambit (A00), reached after 1. g4 d5 2. Bg2 c6 3. c4 dxc4 4. b3, Stockfish 18 recommends 4… Bxg4 for Black. Black is clearly better (−1.56).

Top engine moves

  1. −1.564… Bxg4 5. bxc4 e5 6. Qb3 Qc7 7. Qg3 Nf6 8. Nf3 Nbd7 9. d4
  2. −1.384… Qc7 5. Na3 Bxg4 6. Nxc4 Nf6 7. Bb2 Nbd7 8. Rc1 g6 9. Ne3
  3. −1.334… e5 5. Bb2 Bxg4 6. Bxe5 Nd7 7. Bg3 h5 8. h3 Be6 9. Nf3

Frequently asked questions

What is the best move in the Grob Opening: Grob Gambit, Richter-Grob Gambit?
After 1. g4 d5 2. Bg2 c6 3. c4 dxc4 4. b3, Stockfish 18 at depth 18 recommends 4… Bxg4 for Black, continuing 5. bxc4 e5 6. Qb3 Qc7 7. Qg3 Nf6 8. Nf3 Nbd7 9. d4. Black is clearly better (−1.56). The next best moves are 4… Qc7 (−1.38) and 4… e5 (−1.33).
Is the Grob Opening: Grob Gambit, Richter-Grob Gambit a good opening?
Stockfish rates the position at −1.56: black is clearly 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 Grob Opening: Grob Gambit, Richter-Grob Gambit?
A00. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

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