[Event "Rated classical game"] [Site "https://lichess.org/maKm93ee"] [Date "2023.02.18"] [White "n7nik7"] [Black "OtisBuster"] [Result "1-0"] [UTCDate "2023.02.18"] [UTCTime "20:18:34"] [WhiteElo "2014"] [BlackElo "1984"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-24"] [Variant "Standard"] [TimeControl "1800+20"] [ECO "D04"] [Opening "Queen's Pawn Game: Colle System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. e3 d5 3. Nf3 { D04 Queen's Pawn Game: Colle System } c5 4. b3 Nc6 5. Bb2 Bf5 6. Bd3 Bxd3 7. Qxd3 e6 8. O-O cxd4 9. exd4 Bd6 10. c4 O-O 11. Nc3 a6 12. Rfe1 Rc8 13. cxd5?! { (0.31 → -0.57) Inaccuracy. c5 was best. } (13. c5 Bc7) 13... exd5 14. Ne5 Qc7 15. f4? { (-0.19 → -1.50) Mistake. h3 was best. } (15. h3) 15... Rfe8 16. Rac1 b5 17. Nxb5? { (-1.01 → -2.81) Mistake. g3 was best. } (17. g3 Qb6 18. Kg2 Qb7 19. Re2 h6 20. Nxc6 Qxc6 21. Nd1 Rxe2+ 22. Qxe2 Qd7 23. Rxc8+ Qxc8) 17... axb5 18. Rxc6 Qxc6 19. Nxc6 Rxe1+ 20. Kf2 Rce8?? { (-2.95 → -0.52) Blunder. Rh1 was best. } (20... Rh1 21. Qxb5 Rb1 22. Ba3 Ne4+ 23. Ke3 Re1+ 24. Kf3 Rf1+ 25. Qxf1 Nd2+ 26. Ke2 Nxf1 27. Bxd6) 21. Ne5 Re4 22. g3 Bxe5 23. dxe5 Ng4+ 24. Kg2 Ne3+?! { (0.00 → 0.92) Inaccuracy. Rc8 was best. } (24... Rc8 25. Bd4 h5 26. Bg1 Re1 27. h3 Rcc1 28. Bb6 Rcd1 29. Qc2 Rc1 30. Qb2 Rb1 31. Qd2) 25. Kf3 Rc8 26. Qxb5 h6?! { (0.47 → 1.34) Inaccuracy. h5 was best. } (26... h5) 27. Bd4 Nf5?! { (0.79 → 1.89) Inaccuracy. Rxd4 was best. } (27... Rxd4) 28. Bf2 Rc3+ 29. Kg4 Nd4?? { (1.97 → 4.52) Blunder. g6 was best. } (29... g6 30. Qxd5) 30. Qxd5 Re2 31. Qxd4 Rcc2 32. a4 Rxf2 33. h4 Rfd2 34. Qe3 Re2 35. Qf3 Rf2 36. Qa8+ Kh7 37. Qf8 Rc3 38. Qxf7 Rff3 39. e6 Rxg3+ 40. Kf5 Rc5+ 41. Ke4 Rg1 42. e7 Rcc1?? { (6.42 → Mate in 7) Checkmate is now unavoidable. Re1+ was best. } (42... Re1+ 43. Kd4 Rc8 44. Qf5+ g6 45. Qf7+ Kh8 46. Qf8+ Kh7 47. f5 h5 48. Qf7+ Kh8 49. Qf6+) 43. Qf5+ Rg6 44. Qxg6+?? { (Mate in 6 → 6.14) Lost forced checkmate sequence. h5 was best. } (44. h5 Re1+ 45. Kd3 Kg8 46. hxg6 Rd1+ 47. Kc2 Rc1+ 48. Kxc1 h5 49. e8=Q#) 44... Kxg6 45. e8=Q+ Kh7 46. Qf7 Re1+ 47. Kd4 Rd1+ 48. Kc5 Rh1 49. h5 Rh4 50. a5 Rh2 51. a6 Rd2?! { (12.00 → Mate in 23) Checkmate is now unavoidable. Rc2+ was best. } (51... Rc2+ 52. Qc4 Ra2 53. Qe4+ Kg8 54. Qa8+ Kf7 55. a7 Ra5+ 56. Kb6 Ra2 57. Qb7+ Kf6 58. b4) 52. a7?! { (Mate in 23 → 16.01) Lost forced checkmate sequence. Qg6+ was best. } (52. Qg6+ Kh8 53. Qe8+ Kh7 54. a7 Rc2+ 55. Kb6 Ra2 56. a8=B Rxa8 57. Qxa8 g5 58. hxg6+ Kxg6) 52... Rd8 53. Qd5 Rf8?! { (18.30 → Mate in 7) Checkmate is now unavoidable. Rc8+ was best. } (53... Rc8+ 54. Kb4 Rf8 55. a8=Q Rxa8 56. Qxa8 g5 57. hxg6+ Kxg6 58. Qe4+ Kh5 59. Qh1+ Kg6 60. Kc3) 54. a8=Q Rf7 55. Qh8+ Kxh8 56. Qxf7 Kh7 57. f5 Kh8 58. Kd6 Kh7 59. f6 Kh8 60. Qxg7# { White wins by checkmate. } 1-0