ECO B65 · Sicilian Defense

Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4

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

10. Qxd4+0.40

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack (B65), reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4, Stockfish 18 recommends 10. Qxd4 for White. White is slightly better (+0.40).

Top engine moves

  1. +0.4010. Qxd4 Bd7 11. Bxf6 Bxf6 12. Qxd6 Bc6 13. Qxd8 Rfxd8 14. Bb5 Bxc3
  2. −0.5910. e5 dxe5 11. fxe5 Nc6 12. exf6 Bxf6 13. Bxf6 Qxf6 14. Bd3 Rd8
  3. −2.5610. h4 Nc6 11. g4 Kh8 12. Bxf6 Bxf6 13. g5 Be7 14. h5 e5

Frequently asked questions

What is the best move in the Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack?
After 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be7 8. O-O-O O-O 9. f4 Nxd4, Stockfish 18 at depth 18 recommends 10. Qxd4 for White, continuing Bd7 11. Bxf6 Bxf6 12. Qxd6 Bc6 13. Qxd8 Rfxd8 14. Bb5 Bxc3. White is slightly better (+0.40). The next best moves are 10. e5 (−0.59) and 10. h4 (−2.56).
Is the Sicilian Defense: Richter-Rauzer Variation, Rauzer Attack a good opening?
Stockfish rates the position at +0.40: 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: Richter-Rauzer Variation, Rauzer Attack?
B65. 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+).