ECO B22 · Sicilian Defense

Sicilian Defense: Alapin Variation, Smith-Morra Declined

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4

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White to move. The arrow shows Stockfish’s best move.
Best move

5. cxd4+0.17

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Alapin Variation, Smith-Morra Declined (B22), reached after 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4, Stockfish 18 recommends 5. cxd4 for White. The position is roughly equal (+0.17).

Top engine moves

  1. +0.175. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7
  2. +0.115. Nf3 d6 6. cxd4 Nc6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7
  3. −0.045. Bc4 Qc7 6. Qe2 Nb6 7. Bb3 d3 8. Qe3 d6 9. exd6 Qxd6

Frequently asked questions

What is the best move in the Sicilian Defense: Alapin Variation, Smith-Morra Declined?
After 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4, Stockfish 18 at depth 18 recommends 5. cxd4 for White, continuing d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7. The position is roughly equal (+0.17). The next best moves are 5. Nf3 (+0.11) and 5. Bc4 (−0.04).
Is the Sicilian Defense: Alapin Variation, Smith-Morra Declined a good opening?
Stockfish rates the position at +0.17: 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: Alapin Variation, Smith-Morra Declined?
B22. 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+).