[Event "40th Men Olympiad"] [Site "Istanbul TUR"] [Date "2012.09.04"] [Round "7"] [White "Bacallao Alonso, Yusnel"] [Black "Mueller, Oliver"] [Result "1-0"] [WhiteElo "2583"] [BlackElo "2265"] [Variant "Standard"] [TimeControl "-"] [ECO "B30"] [Opening "Sicilian Defense: Nyezhmetdinov-Rossolimo Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 3. Bb5 { B30 Sicilian Defense: Nyezhmetdinov-Rossolimo Attack } d6 4. O-O Bd7 5. Re1 Nf6 6. c3 a6 7. Bf1 Bg4 8. d4 Bxf3 9. gxf3 e5 10. d5 Ne7 11. b4?! { (0.71 → -0.02) Inaccuracy. f4 was best. } (11. f4) 11... cxb4 12. cxb4 Ng6 13. b5 Be7 14. bxa6 bxa6 15. Qa4+ Qd7?! { (-0.57 → 0.46) Inaccuracy. Nd7 was best. } (15... Nd7) 16. Qxd7+ Nxd7 17. Be3 O-O?! { (0.16 → 0.72) Inaccuracy. f5 was best. } (17... f5 18. exf5 Nh4 19. Nd2 Nxf5 20. Rab1 Nxe3 21. fxe3 O-O 22. Rb7 Bh4 23. Rc1 Nc5 24. Rb6) 18. Nd2 Nh4 19. Rab1 Rfb8 20. Rec1 Nc5 21. Be2 Ng6 22. Nc4 Nf4 23. Bf1 Nfd3?! { (0.90 → 1.49) Inaccuracy. Rb5 was best. } (23... Rb5 24. Rxb5 axb5 25. Nxd6 Bxd6 26. Bxc5 Bxc5 27. Rxc5 g6 28. d6 Rd8 29. Rc6 b4 30. Rb6) 24. Rd1 Rxb1 25. Rxb1 f5 26. Rd1 fxe4?! { (1.48 → 2.27) Inaccuracy. f4 was best. } (26... f4 27. Bd2 a5 28. a3 Rb8 29. Bxa5 Rb3 30. Bc7 Bh4 31. Bxd6 Bxf2+ 32. Kg2 Bd4 33. a4) 27. fxe4 Nb4 28. Bxc5 dxc5 29. Nxe5 Nxa2?? { (1.97 → 4.93) Blunder. Re8 was best. } (29... Re8 30. a3 Nc2 31. Nc6 Nd4 32. e5 Bg5 33. Nxd4 cxd4 34. Rxd4 Rxe5 35. f4 Bh6 36. d6) 30. d6 Nc3?? { (4.56 → Mate in 9) Checkmate is now unavoidable. Bxd6 was best. } (30... Bxd6 31. Bc4+ Kf8 32. Rxd6 Re8 33. Nd7+ Ke7 34. e5 Rd8 35. Bxa2 Rxd7 36. Rxa6 g5 37. Rc6) 31. dxe7 Nxd1 32. Bc4+ Kh8 33. Nf7+ { Black resigns. } 1-0