ECO B33 · Sicilian Defense

Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice

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 11. Bxb5

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

11… axb5+0.67

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice (B33), 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 11. Bxb5, Stockfish 18 recommends 11… axb5 for Black. White is slightly better (+0.67).

Top engine moves

  1. +0.6711… axb5 12. Nxb5 Ra4 13. Nbc7+ Kd7 14. O-O Rxe4 15. Qh5 Ne7 16. Qxf7
  2. +1.8611… Bb7 12. Ba4 Bg7 13. Bxc6+ Bxc6 14. Nc4 O-O 15. exf5 Kh8 16. Nce3
  3. +2.1311… Bd7 12. Ba4 Rg8 13. exf5 Rxg2 14. h4 h5 15. Ne3 Rg8 16. Nac4

Frequently asked questions

What is the best move in the Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice?
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 11. Bxb5, Stockfish 18 at depth 18 recommends 11… axb5 for Black, continuing 12. Nxb5 Ra4 13. Nbc7+ Kd7 14. O-O Rxe4 15. Qh5 Ne7 16. Qxf7. White is slightly better (+0.67). The next best moves are 11… Bb7 (+1.86) and 11… Bd7 (+2.13).
Is the Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice a good opening?
Stockfish rates the position at +0.67: white 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: Lasker-Pelikan Variation, Sveshnikov Variation, Peresypkin's Sacrifice?
B33. 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+).