Caissa Codex
B90

Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit

Chess diagram: Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit after 9. g5

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Statistics from Lichess

2,610 games: White 58.2% / Draw 3.6% / Black 38.2%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
1,9361,936
487487
114114
4646
99
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33

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 30, 2026

Engine evaluation

+0.11 The position is about equal

Best play: 9... gxf5 10. exf5 d5 11. Qf3 Ne4 12. Nxe4 dxe4 13. Qxe4 Nc6 14. Bc4

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

Overview

Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit (ECO B90, Semi-Open Games) is a gambit in the Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5 (9 moves).

In 2,610 rated Lichess games between players rated 1600 to 2500, White won 58.2%, Black 38.2% and 3.6% were drawn. Black's most played move here is 9…gxf5, in 74% of those games.

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How to play against the Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit

The most played answer, 9…gxf5, also scores best for Black: 43.8%, with Black winning 41.7% and White 54.1% of 1,936 games. Of the main answers, 9…Nxe4 scores lowest: 30.6%. Stockfish's first choice is also 9…gxf5.

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: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit (B90)”. Lichess data as of 30 Oct 2026. https://chesscodex.org/openings/sicilian-defense-scheveningen-variation-delayed-keres-attack-perenyi-gambit

https://chesscodex.org/openings/sicilian-defense-scheveningen-variation-delayed-keres-attack-perenyi-gambit