ECO B69 · Sicilian Defense

Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6

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

11… gxf6+0.31

White is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack (B69), reached after 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6, Stockfish 18 recommends 11… gxf6 for Black. White is slightly better (+0.31).

Top engine moves

  1. +0.3111… gxf6 12. g4 h5 13. gxh5 b4 14. Ne2 Qa5 15. Kb1 Qxh5 16. Nfd4
  2. +0.5911… Bxf6 12. Qxd6 Be7 13. Qd2 Qc7 14. Kb1 Rd8 15. e5 Bc8 16. Bd3
  3. +3.2811… b4 12. Bxe7 bxc3 13. Bxd8 cxd2+ 14. Rxd2 Kxd8 15. Rxd6 Ke7 16. Rd2

Frequently asked questions

What is the best move in the Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack?
After 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6, Stockfish 18 at depth 18 recommends 11… gxf6 for Black, continuing 12. g4 h5 13. gxh5 b4 14. Ne2 Qa5 15. Kb1 Qxh5 16. Nfd4. White is slightly better (+0.31). The next best moves are 11… Bxf6 (+0.59) and 11… b4 (+3.28).
Is the Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Nyezhmetdinov Attack a good opening?
Stockfish rates the position at +0.31: 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, Neo-Modern Variation, Nyezhmetdinov Attack?
B69. 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+).