Sicilian Defense: Four Knights Variation, Cobra Variation
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bc5
7. Nd6++0.56
White is slightly better. Stockfish 18, depth 18.
Analyze this positionIn the Sicilian Defense: Four Knights Variation, Cobra Variation (B45), reached after 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bc5, Stockfish 18 recommends 7. Nd6+ for White. White is slightly better (+0.56).
Top engine moves
- +0.567. Nd6+ Ke7 8. Bf4 e5 9. Nf5+ Kf8 10. Bg5 d6 11. Bc4 Bxf5
- +0.557. Bf4 O-O 8. Bc7 Qe7 9. Bd6 Bxd6 10. Qxd6 Qd8 11. Nc7 Rb8
- 0.007. e5 Nxe5 8. Bf4 d6 9. Na4 Ng6 10. Bg3 O-O 11. Nxc5 dxc5
Frequently asked questions
What is the best move in the Sicilian Defense: Four Knights Variation, Cobra Variation?
After 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bc5, Stockfish 18 at depth 18 recommends 7. Nd6+ for White, continuing Ke7 8. Bf4 e5 9. Nf5+ Kf8 10. Bg5 d6 11. Bc4 Bxf5. White is slightly better (+0.56). The next best moves are 7. Bf4 (+0.55) and 7. e5 (0.00).
Is the Sicilian Defense: Four Knights Variation, Cobra Variation a good opening?
Stockfish rates the position at +0.56: 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: Four Knights Variation, Cobra Variation?
B45. 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+).