[Event "2024 Spring Marathon"] [Site "https://lichess.org/WLSjy4pP"] [Date "2024.05.11"] [White "Alexr58"] [Black "anhghOst24"] [Result "1-0"] [UTCDate "2024.05.11"] [UTCTime "15:25:20"] [WhiteElo "2421"] [BlackElo "2526"] [WhiteRatingDiff "+7"] [BlackRatingDiff "-8"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B06"] [Opening "Pterodactyl Defense: Eastern, Rhamphorhynchus"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5 { B06 Pterodactyl Defense: Eastern, Rhamphorhynchus } Nc6 5. Be3 Nf6 6. Qd2 O-O 7. Bd3 Ng4 8. Nge2 Nxe3 9. Qxe3 d6?! { (0.28 → 0.87) Inaccuracy. Rb8 was best. } (9... Rb8 10. O-O-O) 10. cxd6 Qxd6 11. O-O?! { (1.12 → 0.40) Inaccuracy. f4 was best. } (11. f4 Nb4) 11... Bg4 12. f3 Be6 13. Kh1?! { (0.88 → 0.32) Inaccuracy. f4 was best. } (13. f4 Rad8 14. e5 Qc7 15. Rad1 Rd7 16. Be4 Rfd8 17. b3 Bg4 18. Rxd7 Rxd7) 13... Rad8 14. Rad1 Qb4 15. Rb1 Nd4 16. Nxd4 Bxd4 17. Qe1 b6 18. Ne2 Qxe1 19. Rfxe1 Be5 20. b3 Kg7 21. f4 Bd6 22. f5 Bd7 23. Rf1 Be5 24. Nf4 Bc6 25. Rbe1 Rd6 26. Nh3 Rfd8 27. Ng5 h6 28. Nf3 Bc3 29. e5 Rxd3 30. cxd3 Bxf3?! { (-0.30 → 0.67) Inaccuracy. Bxe1 was best. } (30... Bxe1 31. Nxe1 Rd5 32. fxg6 Kxg6 33. e6 f6 34. Kg1 Re5 35. Nf3 Rxe6 36. Kf2) 31. f6+ exf6? { (0.41 → 1.58) Mistake. Kf8 was best. } (31... Kf8) 32. exf6+ Kf8 33. Rc1 Bxf6?! { (1.75 → 2.93) Inaccuracy. Be2 was best. } (33... Be2 34. Rf2 Rxd3 35. Rxe2 Bxf6 36. g3 Rd7 37. Rcc2 Be7 38. Red2 Rb7 39. Rc8+) 34. Rxf3 Be5 35. g3 Ke7 36. Kg2 f6 37. Kf2 g5 38. Ke2 Ke6 39. g4?! { (2.47 → 1.75) Inaccuracy. Re3 was best. } (39. Re3 h5 40. Rd1 Kf5 41. Re4 h4 42. Kf3 hxg3 43. hxg3 Rh8 44. g4+ Kg6) 39... Bxh2 40. Rh1 Be5 41. Rxh6? { (1.57 → 0.25) Mistake. Re3 was best. } (41. Re3 Kd5 42. d4 Bxd4 43. Rd1 Kc5 44. Re6 Kb4 45. Kf3) 41... Rc8?! { (0.25 → 1.35) Inaccuracy. Rd4 was best. } (41... Rd4 42. Rh7) 42. Kd2? { (1.35 → 0.00) Mistake. d4 was best. } (42. d4) 42... Bf4+ 43. Rxf4 gxf4 44. g5 Kf5 45. gxf6 Kg5 46. Rh7 Kxf6 47. Rxa7 Re8 48. Rb7 Re6 49. d4 f3 50. d5 f2?? { (0.00 → 5.51) Blunder. Re2+ was best. } (50... Re2+ 51. Kd1 Rxa2 52. Rxb6+ Ke5 53. Ke1 Kxd5 54. Rb4 Ke5 55. Kf1 Rh2 56. Rb8) 51. dxe6 f1=Q?! { (5.44 → 7.63) Inaccuracy. f1=N+ was best. } (51... f1=N+ 52. Kd3 Kxe6 53. a4 Nh2 54. Rxb6+ Kd7 55. a5 Ng4 56. Kc4 Ne5+ 57. Kb5) 52. Rf7+ Kxe6 53. Rxf1 Kd5 54. Rc1 Kd4 55. b4 Kd5 56. b5 Kd4 57. Rc6 Kd5 58. Rxb6 Kc5 59. Rb8? { (Mate in 13 → 7.57) Lost forced checkmate sequence. Rb7 was best. } (59. Rb7 Kd6 60. a4 Kc5 61. a5 Kd5 62. a6 Ke4 63. a7 Kf3 64. Rb8 Kf4) 59... Kb4? { (7.57 → Mate in 11) Checkmate is now unavoidable. Kd6 was best. } (59... Kd6 60. Rb7) 60. a4 Ka5 61. Kd3 Kb4 62. Kd4 Ka5 63. Kd5 Kb4 64. Kc6 Ka5 65. b6 Ka6 66. b7 Ka7 67. Ra8# { White wins by checkmate. } 1-0