B20

Sicilian Defense: Grob Variation

Chess diagram: Sicilian Defense: Grob Variation after 2. g4

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

37,229 games: White 42.4% / Draw 3.6% / Black 54.0%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
13,81414K
9,4789,478
4,9094,909
4,3804,380
1,3741,374
1,0691,069
943943
398398

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 7, 2026

Engine evaluation

−0.93 Black is better

Best play: 2... d5 3. d3 Nc6 4. h3 h5 5. Bg2 e6 6. g5 Nge7 7. Nc3

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Sicilian Defense: Grob Variation (ECO B20, Semi-Open Games) is a variation of the Sicilian Defense, reached after 1. e4 c5 2. g4 (2 moves).

In 37,229 rated Lichess games between players rated 1600 to 2500, White won 42.4%, Black 54.0% and 3.6% were drawn. Black's most played move here is 2…Nc6, in 37% of those games.

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How to play against the Sicilian Defense: Grob Variation

2…d5 scores best for Black: 61.0%, with Black winning 59.2% and White 37.3% of 4,909 games. The most played, 2…Nc6, scores 55.7% in 14K games, and 2…d6 scores lowest: 54.5%. Stockfish's first choice is also 2…d5.

Main answers: those played in at least 5% of these games. Score: Black's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Cite this page

Caissa Codex. “Sicilian Defense: Grob Variation (B20)”. Lichess data as of 7 Nov 2026. https://chesscodex.org/openings/sicilian-defense-grob-variation