[Event "Rated classical game"] [Site "https://lichess.org/vrJQHZEr"] [Date "2019.09.25"] [White "Drotciv"] [Black "DavidDCPereira"] [Result "1-0"] [UTCDate "2019.09.25"] [UTCTime "15:33:49"] [WhiteElo "1647"] [BlackElo "1638"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-8"] [Variant "Standard"] [TimeControl "2700+45"] [ECO "D85"] [Opening "Grünfeld Defense: Exchange Variation, Modern Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 { D85 Grünfeld Defense: Exchange Variation, Modern Exchange Variation } 8. Bb5+ Bd7 9. Bxd7+ Nxd7 10. O-O O-O 11. a4 a5 12. Rb1 b6 13. Be3 Nf6 14. Nd2 h5 15. f3?! { (1.53 → 0.87) Inaccuracy. d5 was best. } (15. d5) 15... Nh7? { (0.87 → 2.23) Mistake. cxd4 was best. } (15... cxd4 16. cxd4 Rc8 17. Qb3 Ne8 18. d5 Rc3 19. Bxb6 Bd4+ 20. Kh1 Qxb6 21. Qxb6 Bxb6 22. Rxb6) 16. Nc4 Rb8 17. Qd2 Nf6?! { (2.32 → 3.04) Inaccuracy. cxd4 was best. } (17... cxd4 18. cxd4) 18. Rb5?! { (3.04 → 1.75) Inaccuracy. Bf4 was best. } (18. Bf4 Rc8 19. d5 Nd7 20. e5 g5 21. Bxg5 Nxe5 22. Nxe5 Bxe5 23. Bh6 Bf6 24. Bxf8 Kxf8) 18... Nd7 19. Rfb1 Qc7? { (1.86 → 3.35) Mistake. cxd4 was best. } (19... cxd4 20. cxd4 Rc8 21. Rc1 Rc7 22. h3 e6 23. Bf4 Rc6 24. Kh2 Qe7 25. d5 exd5 26. exd5) 20. Qb2?? { (3.35 → -5.12) Blunder. Bf4 was best. } (20. Bf4) 20... Rb7?? { (-5.12 → 4.47) Blunder. cxd4 was best. } (20... cxd4 21. cxd4) 21. Nxb6?? { (4.47 → 1.65) Blunder. dxc5 was best. } (21. dxc5) 21... Rfb8?? { (1.65 → 5.62) Blunder. Rxb6 was best. } (21... Rxb6 22. Rxb6 Qxb6 23. Qxb6 Nxb6 24. Rxb6 cxd4 25. Bxd4 Bxd4+ 26. cxd4 Rc8 27. Rb5 Rc4 28. Rxa5) 22. Nxd7 Rxb5 23. axb5 Qxd7 24. d5? { (4.58 → 2.53) Mistake. dxc5 was best. } (24. dxc5) 24... e6 25. dxe6 fxe6 26. Bxc5 Qd3 27. Bd4?? { (2.78 → 0.83) Blunder. b6 was best. } (27. b6 Rb7 28. Qb5 Qxc3 29. Kh1 Kh7 30. Qa6 Rd7 31. b7 Rxb7 32. Qxb7 Qxc5 33. Qf7 Qc2) 27... Bxd4+ 28. cxd4 Qe3+?? { (0.95 → 3.49) Blunder. Rc8 was best. } (28... Rc8) 29. Kh1 a4 30. Qa2 Rxb5?? { (3.28 → 67.98) Blunder. Qxd4 was best. } (30... Qxd4 31. Qxe6+) 31. Qxe6+ Kf8 32. Qf6+ Kg8 33. Qd8+ Kh7 34. Qd7+ Kh6 35. Qxb5 Qxd4 36. Qb4 Qd7 37. h3 Kg5?! { (18.96 → Mate in 7) Checkmate is now unavoidable. Qd8 was best. } (37... Qd8 38. Qxa4) 38. Qb5+?! { (Mate in 7 → 67.96) Lost forced checkmate sequence. Qf8 was best. } (38. Qf8 Qc7 39. f4+ Qxf4 40. Rb5+ Qf5 41. g3 h4 42. Qd8+ Kh6 43. Qh8+ Kg5 44. Qxh4#) 38... Qxb5 39. Rxb5+ Kf4 40. Ra5 g5?! { (62.95 → Mate in 32) Checkmate is now unavoidable. a3 was best. } (40... a3 41. Kh2) 41. Rxa4 g4?! { (80.87 → Mate in 14) Checkmate is now unavoidable. Ke5 was best. } (41... Ke5 42. Ra5+) 42. hxg4 hxg4 43. fxg4 Kxg4 44. e5+ Kf5 45. Ra5 Ke6 46. g4 Ke7 47. Kg2 Kf7 48. Kf3 Kg6 49. Kf4 Kf7 50. g5 Kg6 51. e6 Kg7 52. Re5 Kf8 53. e7+ Ke8 54. g6 Kd7 55. g7 Ke8 56. g8=Q+ Kd7 57. Qd8+ Kc6 58. e8=Q+ Kb7 59. Qd6 Ka7 60. Qed7+ Ka8 61. Qf8# { White wins by checkmate. } 1-0