ECO B78 · Sicilian Defense

Sicilian Defense: Dragon Variation, Yugoslav Attack, Topalov Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Nxd4 12. Bxd4

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

12… b5+0.44

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Dragon Variation, Yugoslav Attack, Topalov Variation (B78), reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Nxd4 12. Bxd4, Stockfish 18 recommends 12… b5 for Black. White is slightly better (+0.44).

Top engine moves

  1. +0.4412… b5 13. Bxa7 b4 14. Ne2 Qa5 15. Bd4 Rc6 16. Kb1 Ra8 17. c3
  2. +1.0912… a5 13. a4 Be6 14. Kb1 Bxb3 15. cxb3 Nd7 16. h4 h5 17. g4
  3. +1.3912… h5 13. Bxa7 b6 14. e5 dxe5 15. Nd5 Bc6 16. Bxb6 Qd6 17. Qb4

Frequently asked questions

What is the best move in the Sicilian Defense: Dragon Variation, Yugoslav Attack, Topalov Variation?
After 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Nxd4 12. Bxd4, Stockfish 18 at depth 18 recommends 12… b5 for Black, continuing 13. Bxa7 b4 14. Ne2 Qa5 15. Bd4 Rc6 16. Kb1 Ra8 17. c3. White is slightly better (+0.44). The next best moves are 12… a5 (+1.09) and 12… h5 (+1.39).
Is the Sicilian Defense: Dragon Variation, Yugoslav Attack, Topalov Variation a good opening?
Stockfish rates the position at +0.44: 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: Dragon Variation, Yugoslav Attack, Topalov Variation?
B78. 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+).