ECO A00 · Grob Opening

Grob Opening

1. g4

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

1… d5−1.04

Black is clearly better. Stockfish 18, depth 18.

Analyze this position

In the Grob Opening (A00), reached after 1. g4, Stockfish 18 recommends 1… d5 for Black. Black is clearly better (−1.04).

Top engine moves

  1. −1.041… d5 2. e3 Nc6 3. d4 e5 4. Nc3 Be6 5. dxe5 Nxe5 6. Be2
  2. −0.821… e5 2. Bg2 Nc6 3. Nc3 Nge7 4. e3 h5 5. gxh5 d5 6. d4
  3. −0.681… Nc6 2. d4 d5 3. h3 h5 4. g5 Bf5 5. Nf3 e6 6. Bg2

All Grob Opening variations (19)

Frequently asked questions

What is the best move in the Grob Opening?
After 1. g4, Stockfish 18 at depth 18 recommends 1… d5 for Black, continuing 2. e3 Nc6 3. d4 e5 4. Nc3 Be6 5. dxe5 Nxe5 6. Be2. Black is clearly better (−1.04). The next best moves are 1… e5 (−0.82) and 1… Nc6 (−0.68).
Is the Grob Opening a good opening?
Stockfish rates the position at −1.04: 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?
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+).