Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line
1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. c3
4… dxc3−0.18
The position is roughly equal. Stockfish 18, depth 18.
Analyze this positionIn the Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line (B28), reached after 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. c3, Stockfish 18 recommends 4… dxc3 for Black. The position is roughly equal (−0.18).
Top engine moves
- −0.184… dxc3 5. Nxc3 e6 6. Bf4 b5 7. Bd3 Bb7 8. O-O Nf6 9. Qe2
- +0.414… d5 5. exd5 Nf6 6. Qa4+ Qd7 7. Qxd7+ Bxd7 8. c4 e6 9. dxe6
- +0.564… Nf6 5. e5 Nd5 6. Bc4 Nb6 7. Bb3 d5 8. exd6 e6 9. Bg5
Frequently asked questions
What is the best move in the Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line?
After 1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. c3, Stockfish 18 at depth 18 recommends 4… dxc3 for Black, continuing 5. Nxc3 e6 6. Bf4 b5 7. Bd3 Bb7 8. O-O Nf6 9. Qe2. The position is roughly equal (−0.18). The next best moves are 4… d5 (+0.41) and 4… Nf6 (+0.56).
Is the Sicilian Defense: O'Kelly Variation, Normal System, Smith-Morra Line a good opening?
Stockfish rates the position at −0.18: 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, Smith-Morra Line?
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+).