ECO B89 · Sicilian Defense

Sicilian Defense: Sozin Attack, Main Line, Sherbakov Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Bb3 O-O 9. O-O Na5 10. f4 b6

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

11. e5+0.22

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Sozin Attack, Main Line, Sherbakov Variation (B89), reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Bb3 O-O 9. O-O Na5 10. f4 b6, Stockfish 18 recommends 11. e5 for White. The position is roughly equal (+0.22).

Top engine moves

  1. +0.2211. e5 Ne8 12. f5 dxe5 13. fxe6 exd4 14. exf7+ Kh8 15. fxe8=R Qxe8
  2. −0.0611. Qf3 Bb7 12. g4 Rc8 13. g5 Rxc3 14. gxf6 Rxe3 15. Qxe3 Bxf6
  3. −0.1611. Bf2 Bb7 12. Qe2 Rc8 13. e5 dxe5 14. fxe5 Nd5 15. Nxd5 Bxd5

Frequently asked questions

What is the best move in the Sicilian Defense: Sozin Attack, Main Line, Sherbakov Variation?
After 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Bb3 O-O 9. O-O Na5 10. f4 b6, Stockfish 18 at depth 18 recommends 11. e5 for White, continuing Ne8 12. f5 dxe5 13. fxe6 exd4 14. exf7+ Kh8 15. fxe8=R Qxe8. The position is roughly equal (+0.22). The next best moves are 11. Qf3 (−0.06) and 11. Bf2 (−0.16).
Is the Sicilian Defense: Sozin Attack, Main Line, Sherbakov Variation a good opening?
Stockfish rates the position at +0.22: the position is roughly equal. 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: Sozin Attack, Main Line, Sherbakov Variation?
B89. 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+).