ECO B41 · Sicilian Defense

Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4

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

5… Nf6+0.35

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation (B41), reached after 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4, Stockfish 18 recommends 5… Nf6 for Black. White is slightly better (+0.35).

Top engine moves

  1. +0.355… Nf6 6. Nc3 Bb4 7. Qd3 Nc6 8. Be2 Nxd4 9. Qxd4 d6 10. Qd3
  2. +0.435… Qc7 6. Nc3 Nf6 7. Nc2 b6 8. f4 d6 9. a4 Nbd7 10. b4
  3. +0.455… b6 6. Nc3 Bb7 7. Bf4 d6 8. Nc2 Nf6 9. Bd3

Frequently asked questions

What is the best move in the Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation?
After 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4, Stockfish 18 at depth 18 recommends 5… Nf6 for Black, continuing 6. Nc3 Bb4 7. Qd3 Nc6 8. Be2 Nxd4 9. Qxd4 d6 10. Qd3. White is slightly better (+0.35). The next best moves are 5… Qc7 (+0.43) and 5… b6 (+0.45).
Is the Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation a good opening?
Stockfish rates the position at +0.35: white is slightly better. 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: Kan Variation, Maróczy Bind, Réti Variation?
B41. 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+).