ECO B78 · Sicilian Defense

Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line

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

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

11. Bb3+0.52

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line (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, Stockfish 18 recommends 11. Bb3 for White. White is slightly better (+0.52).

Top engine moves

  1. +0.5211. Bb3 Nxd4 12. Bxd4 b5 13. Bxa7 b4 14. Ne2 Ra8 15. Bd4 Qa5
  2. +0.3811. Be2 a6 12. Kb1 Qc7 13. h4 b5 14. a3 Qb7 15. Na2 Nxd4
  3. +0.2711. Nxc6 Bxc6 12. Qe2 Nd7 13. h4 Bxc3 14. bxc3 Qc7 15. Bh6 Ba4

Frequently asked questions

What is the best move in the Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line?
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, Stockfish 18 at depth 18 recommends 11. Bb3 for White, continuing Nxd4 12. Bxd4 b5 13. Bxa7 b4 14. Ne2 Ra8 15. Bd4 Qa5. White is slightly better (+0.52). The next best moves are 11. Be2 (+0.38) and 11. Nxc6 (+0.27).
Is the Sicilian Defense: Dragon Variation, Yugoslav Attack, Old Line a good opening?
Stockfish rates the position at +0.52: 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, Old Line?
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+).