B33

Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation 10. Nd5 f5

Also known as Sveshnikov Sicilian

Chess diagram: Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation after 10…f5

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Statistics from Lichess

189,852 games: White 53.4% / Draw 5.3% / Black 41.3%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
79,51580K
30,01030K
26,44926K
Peresypkin's Sacrifice 20,84521K
14,03514K
6,3776,377
4,2834,283
3,0063,006

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 28, 2026

Engine evaluation

+0.03 The position is about equal

Best play: 11. c3 Bg7 12. exf5 Bxf5 13. Nc2 O-O 14. a4 Be6 15. g3 bxa4

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

By rating

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 248
1400–1799 7,058
1800–2199 101K
2200 and up 83K
Masters, over the board 7,664

Master games

Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 27, 2026

Overview

Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation (ECO B33, Semi-Open Games) is a variation of the Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, reached after 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f5 (10 moves).

In 189,852 rated Lichess games between players rated 1600 to 2500, White won 53.4%, Black 41.3% and 5.3% were drawn. White's most played move here is 11. Bd3, in 42% of those games.

It continues into one named variation, Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice.

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How to answer 10…f5

11. Bxb5 (Peresypkin's Sacrifice) scores best for White: 61.3%, with White winning 59.2% and Black 36.5% of 21K games. The most played, 11. Bd3, scores 55.2% in 80K games, and 11. exf5 scores lowest: 52.8%. Stockfish's first choice is 11. c3.

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

Popularity by year

This line peaked in 2019 at 0.011% of Lichess games and has slipped since: 0.006% in 2025.

Numbers by year
YearShare of gamesGames
20160.0062%2,227
20170.007%3,877
20180.0085%6,667
20190.011%13,574
20200.011%31,281
20210.0074%29,107
20220.0068%25,454
20230.0067%25,142
20240.0061%21,863
20250.006%20,978
2026 (Jan–Apr)0.0063%6,859

Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling

Variations (1)

Cite this page

Caissa Codex. “Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation (B33)”. Lichess data as of 28 Oct 2026. https://chesscodex.org/openings/sicilian-defense-lasker-pelikan-variation-sveshnikov-variation-2