ECO B57 · Sicilian Defense

Sicilian Defense: Classical Variation, Sozin Attack

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4

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

6… Bd7+0.43

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Classical Variation, Sozin Attack (B57), reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4, Stockfish 18 recommends 6… Bd7 for Black. White is slightly better (+0.43).

Top engine moves

  1. +0.436… Bd7 7. Bb3 a6 8. f3 e6 9. Be3 b5 10. g4 Na5 11. g5
  2. +0.476… e6 7. Be3 a6 8. Bb3 Be7 9. f4 Qc7 10. Qe2 b5 11. O-O-O
  3. +0.486… Qb6 7. Nb3 e6 8. Bf4 Ne5 9. Be2 Qc7 10. Be3 a6 11. a4

Frequently asked questions

What is the best move in the Sicilian Defense: Classical Variation, Sozin Attack?
After 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4, Stockfish 18 at depth 18 recommends 6… Bd7 for Black, continuing 7. Bb3 a6 8. f3 e6 9. Be3 b5 10. g4 Na5 11. g5. White is slightly better (+0.43). The next best moves are 6… e6 (+0.47) and 6… Qb6 (+0.48).
Is the Sicilian Defense: Classical Variation, Sozin Attack a good opening?
Stockfish rates the position at +0.43: 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: Classical Variation, Sozin Attack?
B57. 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+).