ECO B25 · Sicilian Defense

Sicilian Defense: Closed, Botvinnik Defense, Edge Variation

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 Nge7

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

8. O-O−0.02

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

Analyze this position

In the Sicilian Defense: Closed, Botvinnik Defense, Edge Variation (B25), reached after 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 Nge7, Stockfish 18 recommends 8. O-O for White. The position is roughly equal (−0.02).

Top engine moves

  1. −0.028. O-O h5 9. Ng5 f6 10. Nf3 Bg4 11. h3 Be6 12. Nh4 exf4
  2. −0.178. Nd5 exf4 9. Nhxf4 Nxd5 10. Nxd5 Be6 11. O-O Bxd5 12. exd5 Ne5
  3. −0.318. Nf2 Rb8 9. O-O O-O 10. a4 a6 11. Ng4 exf4 12. Bxf4 h5

Frequently asked questions

What is the best move in the Sicilian Defense: Closed, Botvinnik Defense, Edge Variation?
After 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nh3 Nge7, Stockfish 18 at depth 18 recommends 8. O-O for White, continuing h5 9. Ng5 f6 10. Nf3 Bg4 11. h3 Be6 12. Nh4 exf4. The position is roughly equal (−0.02). The next best moves are 8. Nd5 (−0.17) and 8. Nf2 (−0.31).
Is the Sicilian Defense: Closed, Botvinnik Defense, Edge Variation a good opening?
Stockfish rates the position at −0.02: 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: Closed, Botvinnik Defense, Edge Variation?
B25. 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+).