[Event "IM Darmik simul"] [Site "https://lichess.org/vTKZcbIO"] [Date "2021.03.30"] [White "Darmik"] [Black "PiotrekRa"] [Result "1-0"] [UTCDate "2021.03.30"] [UTCTime "16:00:13"] [WhiteElo "2448"] [BlackElo "1881"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "600+5"] [ECO "B94"] [Opening "Sicilian Defense: Najdorf Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 { B94 Sicilian Defense: Najdorf Variation } Nbd7 7. f4 h6?! { (0.00 → 0.61) Inaccuracy. Qb6 was best. } (7... Qb6 8. Qd2 e5 9. Nf5 Qxb2 10. Rb1 Qa3 11. Bc4 Qc5 12. fxe5) 8. Bh4 e6 9. Qf3 Be7 10. O-O-O b5?? { (0.29 → 5.95) Blunder. Qc7 was best. } (10... Qc7 11. Bd3) 11. Nc6? { (5.95 → 3.49) Mistake. e5 was best. } (11. e5 Rb8 12. exf6 Bxf6 13. Bxf6 Nxf6 14. Nc6 Qc7 15. Nxb8 Qxb8 16. Ne4 Nxe4 17. Qxe4 O-O) 11... Qc7 12. Nxe7 Kxe7? { (3.54 → 6.44) Mistake. Bb7 was best. } (12... Bb7) 13. e5 dxe5 14. Qxa8 Rd8 15. f5?! { (7.78 → 5.39) Inaccuracy. Bxb5 was best. } (15. Bxb5 exf4 16. Bxd7 Rxd7 17. Bxf6+ Kxf6 18. Rxd7 Qxd7 19. Qe4 Qc7 20. Rf1 g5 21. Qh7 Ke7) 15... Bb7 16. Qa7 Ra8 17. Qf2 Rc8 18. fxe6 fxe6 19. Bd3 b4 20. Ne4 Bxe4 21. Bxe4 Ke8 22. Bg6+ Ke7 23. Rhf1 a5 24. Rxd7+ Kxd7 25. Bxf6 gxf6 26. Qxf6 Qc5 27. Qf7+ Kc6 28. Qxe6+ Kb7 29. Be4+ Kb8 30. Kb1 a4? { (9.12 → Mate in 8) Checkmate is now unavoidable. Qd4 was best. } (30... Qd4 31. Bd3) 31. Qd7?! { (Mate in 8 → 13.69) Lost forced checkmate sequence. Qa6 was best. } (31. Qa6 Rc6 32. Bxc6 Qa7 33. Qb5+ Kc8 34. Rf8+ Kc7 35. Rf7+ Kd8 36. Rxa7 Kc8 37. Qxb4 Kd8) 31... Qb6 32. Qxa4 Rd8 33. Qa8+ Kc7 34. Rf7+ Rd7 35. Rxd7+ Kxd7 36. Qb7+ Qxb7 37. Bxb7 Kd6 38. Be4 Kc5 39. c3 bxc3 40. bxc3 Kd6 41. Kc2 Ke6 42. Kd3 Kf6 43. Kc4?! { (Mate in 12 → 19.07) Lost forced checkmate sequence. a4 was best. } (43. a4 Ke6 44. a5 Ke7 45. a6 Kd7 46. a7 Ke7 47. a8=Q h5 48. Qc6 Kf7 49. Qd6 h4) 43... Kg5 44. Kd5 Kf4 45. c4 h5?! { (45.28 → Mate in 10) Checkmate is now unavoidable. Ke3 was best. } (45... Ke3 46. c5) 46. c5 h4 47. c6 h3 48. gxh3 Kg5 49. c7 Kf4 50. c8=Q Ke3 51. Qc3+ Kf4 52. Qg3# { White wins by checkmate. } 1-0