ECO B42 · Sicilian Defense

Sicilian Defense: Kan Variation, Modern Variation

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3

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

5… Bc5+0.46

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Kan Variation, Modern Variation (B42), reached after 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3, Stockfish 18 recommends 5… Bc5 for Black. White is slightly better (+0.46).

Top engine moves

  1. +0.465… Bc5 6. Nb3 Ba7 7. Qe2 d6 8. c4 Nc6 9. Nc3 Nf6 10. O-O
  2. +0.495… g6 6. Be3 Bg7 7. O-O Ne7 8. c4 d5 9. cxd5 exd5 10. Re1
  3. +0.505… d5 6. exd5 Qxd5 7. O-O Nc6 8. Nf3 Nf6 9. Nc3 Qa5 10. Qe2

Frequently asked questions

What is the best move in the Sicilian Defense: Kan Variation, Modern Variation?
After 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3, Stockfish 18 at depth 18 recommends 5… Bc5 for Black, continuing 6. Nb3 Ba7 7. Qe2 d6 8. c4 Nc6 9. Nc3 Nf6 10. O-O. White is slightly better (+0.46). The next best moves are 5… g6 (+0.49) and 5… d5 (+0.50).
Is the Sicilian Defense: Kan Variation, Modern Variation a good opening?
Stockfish rates the position at +0.46: 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, Modern Variation?
B42. 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+).