ECO B43 · Sicilian Defense

Sicilian Defense: Kan Variation, Wing Attack

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5

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

6. Bd3+0.33

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Kan Variation, Wing Attack (B43), reached after 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5, Stockfish 18 recommends 6. Bd3 for White. White is slightly better (+0.33).

Top engine moves

  1. +0.336. Bd3 Bb7 7. O-O Nc6 8. Nxc6 Bxc6 9. Re1 Bc5 10. a4 b4
  2. +0.286. Be3 Bb7 7. f3 Nf6 8. Qd2 b4 9. Na4 d5 10. e5 Nfd7
  3. +0.256. f3 Bb7 7. Be3 Nf6 8. Qd2 Qc7 9. g4 b4 10. Na4 d5

Variations

Frequently asked questions

What is the best move in the Sicilian Defense: Kan Variation, Wing Attack?
After 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b5, Stockfish 18 at depth 18 recommends 6. Bd3 for White, continuing Bb7 7. O-O Nc6 8. Nxc6 Bxc6 9. Re1 Bc5 10. a4 b4. White is slightly better (+0.33). The next best moves are 6. Be3 (+0.28) and 6. f3 (+0.25).
Is the Sicilian Defense: Kan Variation, Wing Attack a good opening?
Stockfish rates the position at +0.33: 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, Wing Attack?
B43. 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+).