Sicilian Defense: O'Kelly Variation, Quiet System
1. e4 c5 2. Nf3 a6 3. d3
3… Nc6+0.06
The position is roughly equal. Stockfish 18, depth 18.
Analyze this positionIn the Sicilian Defense: O'Kelly Variation, Quiet System (B28), reached after 1. e4 c5 2. Nf3 a6 3. d3, Stockfish 18 recommends 3… Nc6 for Black. The position is roughly equal (+0.06).
Top engine moves
- +0.063… Nc6 4. c3 e5 5. d4 cxd4 6. cxd4 exd4 7. Nxd4 d5 8. Nxc6
- +0.073… d6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 e6 7. Bd3 b5 8. a3
- +0.123… e6 4. Be2 Nc6 5. O-O Nf6 6. Re1 d5 7. e5 Nd7 8. Bf1
Frequently asked questions
What is the best move in the Sicilian Defense: O'Kelly Variation, Quiet System?
After 1. e4 c5 2. Nf3 a6 3. d3, Stockfish 18 at depth 18 recommends 3… Nc6 for Black, continuing 4. c3 e5 5. d4 cxd4 6. cxd4 exd4 7. Nxd4 d5 8. Nxc6. The position is roughly equal (+0.06). The next best moves are 3… d6 (+0.07) and 3… e6 (+0.12).
Is the Sicilian Defense: O'Kelly Variation, Quiet System a good opening?
Stockfish rates the position at +0.06: 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, Quiet System?
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+).