ECO B20 · Sicilian Defense

Sicilian Defense: Staunton-Cochrane Variation

1. e4 c5 2. c4

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

2… Nc6−0.09

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

Analyze this position

In the Sicilian Defense: Staunton-Cochrane Variation (B20), reached after 1. e4 c5 2. c4, Stockfish 18 recommends 2… Nc6 for Black. The position is roughly equal (−0.09).

Top engine moves

  1. −0.092… Nc6 3. Nf3 e5 4. Nc3 d6 5. d3 g6 6. g3 Bg7 7. Bg2
  2. +0.072… e5 3. Nc3 Nc6 4. Be2 d6 5. d3 Nf6 6. f4 exf4 7. Bxf4
  3. +0.092… e6 3. Nf3 Nc6 4. Nc3 Nd4 5. Be2 Ne7 6. Nb5 Nxb5 7. cxb5

Frequently asked questions

What is the best move in the Sicilian Defense: Staunton-Cochrane Variation?
After 1. e4 c5 2. c4, Stockfish 18 at depth 18 recommends 2… Nc6 for Black, continuing 3. Nf3 e5 4. Nc3 d6 5. d3 g6 6. g3 Bg7 7. Bg2. The position is roughly equal (−0.09). The next best moves are 2… e5 (+0.07) and 2… e6 (+0.09).
Is the Sicilian Defense: Staunton-Cochrane Variation a good opening?
Stockfish rates the position at −0.09: 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: Staunton-Cochrane Variation?
B20. 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+).