Sicilian Defense: O'Kelly Variation, Normal System, Cortlever Gambit
1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Bc4
4… Qc7+0.04
The position is roughly equal. Stockfish 18, depth 18.
Analyze this positionIn the Sicilian Defense: O'Kelly Variation, Normal System, Cortlever Gambit (B28), reached after 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Bc4, Stockfish 18 recommends 4… Qc7 for Black. The position is roughly equal (+0.04).
Top engine moves
- +0.044… Qc7 5. Qxd4 Nc6 6. Qe3 e6 7. O-O Nf6 8. Re1 b5 9. Bd3
- +0.194… e6 5. Nxd4 Nf6 6. Bd3 Nc6 7. Nxc6 bxc6 8. O-O d5 9. Qe2
- +0.244… Nf6 5. e5 d5 6. Bb3 Nfd7 7. e6 fxe6 8. O-O g6 9. Qxd4
Frequently asked questions
What is the best move in the Sicilian Defense: O'Kelly Variation, Normal System, Cortlever Gambit?
After 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Bc4, Stockfish 18 at depth 18 recommends 4… Qc7 for Black, continuing 5. Qxd4 Nc6 6. Qe3 e6 7. O-O Nf6 8. Re1 b5 9. Bd3. The position is roughly equal (+0.04). The next best moves are 4… e6 (+0.19) and 4… Nf6 (+0.24).
Is the Sicilian Defense: O'Kelly Variation, Normal System, Cortlever Gambit a good opening?
Stockfish rates the position at +0.04: 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: O'Kelly Variation, Normal System, Cortlever Gambit?
B28. 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+).