Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be6
9. f4+0.31
White is slightly better. Stockfish 18, depth 18.
Analyze this positionIn the Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line (B92), reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be6, Stockfish 18 recommends 9. f4 for White. White is slightly better (+0.31).
Top engine moves
- +0.319. f4 O-O 10. f5 Bd7 11. g4 Bc6 12. Qd3 d5 13. g5 Nxe4
- +0.279. Be3 O-O 10. Qd3 Nc6 11. Rfd1 Rc8 12. a3 Re8 13. h3 h6
- +0.239. Qd3 Nc6 10. Be3 Nb4 11. Qd2 d5 12. a3 d4 13. axb4 dxe3
Frequently asked questions
What is the best move in the Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line?
After 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be6, Stockfish 18 at depth 18 recommends 9. f4 for White, continuing O-O 10. f5 Bd7 11. g4 Bc6 12. Qd3 d5 13. g5 Nxe4. White is slightly better (+0.31). The next best moves are 9. Be3 (+0.27) and 9. Qd3 (+0.23).
Is the Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line a good opening?
Stockfish rates the position at +0.31: 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, Opocensky Variation, Modern Line?
B92. 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+).