ECO B98 · Sicilian Defense

Sicilian Defense: Najdorf Variation, Browne Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7

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

10. O-O-O+0.60

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Najdorf Variation, Browne Variation (B98), reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7, Stockfish 18 recommends 10. O-O-O for White. White is slightly better (+0.60).

Top engine moves

  1. +0.6010. O-O-O Nbd7 11. Be2 b5 12. Bxf6 Nxf6 13. e5 Bb7 14. Qg3 dxe5
  2. +0.4510. f5 Nc6 11. Nxc6 Qxc6 12. O-O-O b5 13. Be2 Ra7 14. a3 Rc7
  3. +0.4010. Be2 Nxe4 11. Bxe7 Nxc3 12. Bxd6 Qxd6 13. Qxc3 O-O 14. g3 Bd7

Frequently asked questions

What is the best move in the Sicilian Defense: Najdorf Variation, Browne Variation?
After 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 h6 9. Bh4 Qc7, Stockfish 18 at depth 18 recommends 10. O-O-O for White, continuing Nbd7 11. Be2 b5 12. Bxf6 Nxf6 13. e5 Bb7 14. Qg3 dxe5. White is slightly better (+0.60). The next best moves are 10. f5 (+0.45) and 10. Be2 (+0.40).
Is the Sicilian Defense: Najdorf Variation, Browne Variation a good opening?
Stockfish rates the position at +0.60: 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: Najdorf Variation, Browne Variation?
B98. 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+).