ECO B23 · Sicilian Defense

Sicilian Defense: Closed, Grob Attack

1. e4 c5 2. Nc3 Nc6 3. g4

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

3… g6−0.59

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Closed, Grob Attack (B23), reached after 1. e4 c5 2. Nc3 Nc6 3. g4, Stockfish 18 recommends 3… g6 for Black. Black is slightly better (−0.59).

Top engine moves

  1. −0.593… g6 4. d3 d6 5. Bg2 Bg7 6. f4 e5 7. g5 Nge7 8. h4
  2. −0.563… h5 4. gxh5 Nf6 5. d3 d5 6. exd5 Nd4 7. h3 Nxd5 8. Nf3
  3. −0.553… d6 4. Bb5 Bd7 5. h4 h6 6. Bxc6 Bxc6 7. d3 g6 8. h5

Frequently asked questions

What is the best move in the Sicilian Defense: Closed, Grob Attack?
After 1. e4 c5 2. Nc3 Nc6 3. g4, Stockfish 18 at depth 18 recommends 3… g6 for Black, continuing 4. d3 d6 5. Bg2 Bg7 6. f4 e5 7. g5 Nge7 8. h4. Black is slightly better (−0.59). The next best moves are 3… h5 (−0.56) and 3… d6 (−0.55).
Is the Sicilian Defense: Closed, Grob Attack a good opening?
Stockfish rates the position at −0.59: black is slightly 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 Sicilian Defense: Closed, Grob Attack?
B23. ECO codes classify chess openings from A00 to E99; B is the volume for semi-open games (other than the French).

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