Event: Sudamericano Escolar Categorias Impares
Site: Gimnasio Polideportivo Rufino Bermedo, Temuco, Chile
Date: 2025-07-04
White: Aristizabal Melguiso, Martin
WhiteElo: 1625
Black: Chacon Olortegui, Steven Anton
BlackElo: 1623
Result: 1-0
ECO: D02
Opening: Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan
Variant: Standard
TimeControl: 60 minutes + 30 seconds

1. d4 { [%eval 0.17] [%clk 0:59:05] } 1... d5 { [%eval 0.2] [%clk 1:00:53] } 2. Nf3 { [%eval 0.08] [%clk 0:59:19] } 2... Nf6 { [%eval 0.11] [%clk 1:01:05] } 3. g3 { [%eval 0.06] [%clk 0:59:37] } 3... h6 { [%eval 0.25] [%clk 1:01:25] } 4. Bg2 { [%eval 0.17] [%clk 0:59:57] } 4... Bf5 { [%eval 0.0] [%clk 1:01:44] } 5. O-O { [%eval 0.0] [%clk 1:00:18] } 5... e6 { [%eval 0.19] [%clk 1:02:09] } 6. c4 { [%eval -0.07] [%clk 1:00:07] } 6... c6 { [%eval 0.0] [%clk 1:02:28] } 7. Nc3 { [%eval 0.0] [%clk 1:00:22] } 7... Be7 { [%eval 0.0] [%clk 1:02:52] } 8. Qb3 { [%eval -0.07] [%clk 1:00:25] } 8... Qb6 { [%eval -0.04] [%clk 1:03:06] } 9. c5 { [%eval -0.11] [%clk 1:00:14] } 9... Qa6 { [%eval 0.27] [%clk 1:03:13] } 10. Qa4?! { [%eval -0.49] } { Inaccuracy. Ne5 was best. } { [%clk 0:54:42] } 10... O-O { [%eval -0.06] [%clk 0:54:41] } 11. Nd2 { [%eval -0.59] [%clk 0:51:33] } 11... Qxa4 { [%eval -0.57] [%clk 0:54:45] } 12. Nxa4 { [%eval -0.5] [%clk 0:51:41] } 12... Nbd7 { [%eval -0.5] [%clk 0:55:06] } 13. f3?! { [%eval -1.13] } { Inaccuracy. b3 was best. } { [%clk 0:49:58] } 13... Rfb8 { [%eval -0.65] [%clk 0:53:51] } 14. e4?! { [%eval -1.26] } { Inaccuracy. Nb3 was best. } { [%clk 0:47:20] } 14... Bh7 { [%eval -0.91] [%clk 0:53:15] } 15. Re1 { [%eval -0.84] [%clk 0:43:27] } 15... Bf8 { [%eval -0.95] [%clk 0:51:52] } 16. Nb3 { [%eval -1.01] [%clk 0:40:43] } 16... b6?! { [%eval -0.3] } { Inaccuracy. dxe4 was best. } { [%clk 0:50:25] } 17. Bf4 { [%eval -0.35] [%clk 0:38:12] } 17... Rb7 { [%eval -0.28] [%clk 0:47:59] } 18. Bd6 { [%eval -0.42] [%clk 0:35:41] } 18... Ne8?! { [%eval 0.41] } { Inaccuracy. bxc5 was best. } { [%clk 0:45:12] } 19. e5 { [%eval 0.18] [%clk 0:32:01] } 19... Bc2 { [%eval 0.6] [%clk 0:41:05] } 20. Re3? { [%eval -0.68] } { Mistake. Bf1 was best. } { [%clk 0:30:26] } 20... bxc5 { [%eval -0.52] [%clk 0:39:37] } 21. Naxc5 { [%eval -0.62] [%clk 0:23:40] } 21... Nxc5?? { [%eval 1.24] } { Blunder. Nxd6 was best. } { [%clk 0:38:34] } 22. dxc5 { [%eval 0.55] [%clk 0:23:00] } 22... Bxb3 { [%eval 0.5] [%clk 0:21:04] } 23. Rxb3 { [%eval 0.63] [%clk 0:22:00] } 23... Rxb3?? { [%eval 3.18] } { Blunder. Nxd6 was best. } { [%clk 0:21:03] } 24. axb3 { [%eval 2.63] [%clk 0:22:21] } 24... Nxd6 { [%eval 2.78] [%clk 0:21:29] } 25. cxd6?? { [%eval 0.58] } { Blunder. exd6 was best. } { [%clk 0:21:41] } 25... a5?? { [%eval 3.12] } { Blunder. g5 was best. } { [%clk 0:11:32] } 26. b4 { [%eval 3.01] [%clk 0:19:25] } 26... a4 { [%eval 2.99] [%clk 0:11:43] } 27. Bf1?? { [%eval 1.01] } { Blunder. Rc1 was best. } { [%clk 0:19:35] } 27... f6 { [%eval 0.9] [%clk 0:11:31] } 28. f4 { [%eval 1.28] [%clk 0:19:42] } 28... Kf7?? { [%eval 3.25] } { Blunder. g6 was best. } { [%clk 0:10:53] } 29. Kf2?! { [%eval 2.07] } { Inaccuracy. Rc1 was best. } { [%clk 0:19:39] } 29... Ke8?! { [%eval 3.18] } { Inaccuracy. g5 was best. } { [%clk 0:10:53] } 30. Ke3?! { [%eval 2.03] } { Inaccuracy. b5 was best. } { [%clk 0:19:36] } 30... g5? { [%eval 3.42] } { Mistake. Kd7 was best. } { [%clk 0:10:41] } 31. Kd4 { [%eval 3.18] [%clk 0:16:31] } 31... fxe5+?! { [%eval 4.23] } { Inaccuracy. gxf4 was best. } { [%clk 0:08:53] } 32. fxe5 { [%eval 4.24] [%clk 0:16:29] } 32... Kd7 { [%eval 4.53] [%clk 0:09:10] } 33. b5 { [%eval 4.57] [%clk 0:16:36] } 33... Bxd6 { [%eval 4.46] [%clk 0:06:01] } 34. bxc6+ { [%eval 4.49] [%clk 0:15:29] } 34... Kxc6 { [%eval 4.69] [%clk 0:05:55] } 35. Rc1+ { [%eval 4.73] [%clk 0:15:39] } 35... Kd7 { [%eval 5.29] [%clk 0:06:07] } 36. Bb5+ { [%eval 5.27] [%clk 0:15:50] } 36... Ke7 { [%eval 5.15] [%clk 0:06:30] } 37. exd6+ { [%eval 5.5] [%clk 0:16:05] } 37... Kxd6 { [%eval 5.27] [%clk 0:06:50] } 38. Rc6+ { [%eval 5.29] [%clk 0:16:24] } 38... Ke7 { [%eval 5.12] [%clk 0:07:17] } 39. Ke5 { [%eval 4.8] [%clk 0:16:20] } 39... Kf7?! { [%eval 6.1] } { Inaccuracy. a3 was best. } { [%clk 0:03:12] } 40. Rxe6 { [%eval 5.12] [%clk 0:16:11] } 40... Kg7 { [%eval 5.85] [%clk 0:03:30] } 41. Ra6 { [%eval 5.8] [%clk 0:15:41] } 41... Rb8 { [%eval 5.62] [%clk 0:03:45] } 42. Ra5 { [%eval 5.38] [%clk 0:12:40] } 42... Rf8 { [%eval 6.19] [%clk 0:03:39] } 43. Bxa4 { [%eval 5.81] [%clk 0:12:22] } 43... Rf2 { [%eval 6.32] [%clk 0:03:52] } 44. b4 { [%eval 6.08] [%clk 0:12:20] } 44... Rxh2 { [%eval 7.33] [%clk 0:04:10] } 45. Ra7+ { [%eval 8.65] [%clk 0:12:07] } 45... Kg8 { [%eval 12.13] [%clk 0:04:12] } 46. b5 { [%eval 9.45] [%clk 0:11:25] } 46... Rb2? { [%eval #31] } { Checkmate is now unavoidable. Re2+ was best. } { [%clk 0:03:53] } 47. Kf6 { [%eval 13.62] [%clk 0:10:21] } 47... d4?! { [%eval #32] } { Checkmate is now unavoidable. Rf2+ was best. } { [%clk 0:02:59] } 48. Rb7 { [%eval 68.42] [%clk 0:07:19] } 48... d3?! { [%eval #31] } { Checkmate is now unavoidable. Rf2+ was best. } { [%clk 0:03:14] } 49. b6 { [%eval 79.62] [%clk 0:07:13] } 49... d2?! { [%eval #5] } { Checkmate is now unavoidable. Rf2+ was best. } { [%clk 0:02:40] } 50. Kg6 { [%eval #6] [%clk 0:05:36] } 50... Kf8 { [%eval #6] [%clk 0:02:53] } 51. Rf7+ { [%eval #7] [%clk 0:05:47] } 51... Kg8 { [%eval #7] [%clk 0:03:04] } 52. Rb7 { [%eval #6] [%clk 0:04:37] } 52... Kf8 { [%eval #6] [%clk 0:03:23] } 53. Kxh6?? { [%eval 5.14] } { Lost forced checkmate sequence. Kf6 was best. } { [%clk 0:04:39] } 53... Rb4 { [%eval 5.14] [%clk 0:03:07] } 54. Bd1 { [%eval 5.02] [%clk 0:04:24] } 54... Rb1 { [%eval 5.74] [%clk 0:03:29] } 55. Bg4 { [%eval 5.6] [%clk 0:03:44] } 55... Rb4 { [%eval 5.49] [%clk 0:03:32] } 56. Bh5 { [%eval 5.69] [%clk 0:02:13] } 56... g4 { [%eval 5.42] [%clk 0:03:44] } 57. Rd7 { [%eval 5.66] [%clk 0:02:26] } 57... Rxb6+ { [%eval 5.45] [%clk 0:04:01] } 58. Kg5 { [%eval 5.27] [%clk 0:02:45] } 58... Rb2? { [%eval 10.17] } { Mistake. Rb5+ was best. } { [%clk 0:03:55] } 59. Bxg4 { [%eval 6.9] [%clk 0:02:26] } 59... Ke8?? { [%eval #17] } { Checkmate is now unavoidable. Rb6 was best. } { [%clk 0:04:08] } 60. Rd3 { [%eval #28] [%clk 0:02:44] } 60... Ke7 { [%eval 13.36] [%clk 0:03:48] } 61. Kf4?! { [%eval 5.85] } { Inaccuracy. Bf5 was best. } { [%clk 0:01:34] } 61... Kf6 { [%eval 5.49] [%clk 0:03:37] } 62. Ke3 { [%eval 6.28] [%clk 0:01:13] } 62... Kg5 { [%eval 5.89] [%clk 0:04:02] } 63. Be2 { [%eval 5.88] [%clk 0:01:20] } 63... Rb5 { [%eval 5.86] [%clk 0:03:47] } 64. Rxd2 { [%eval 5.64] [%clk 0:00:58] } 64... Ra5 { [%eval 5.67] [%clk 0:04:01] } 65. g4 { [%eval 5.96] [%clk 0:01:03] } 65... Re5+ { [%eval 5.99] [%clk 0:04:13] } 66. Kf3 { [%eval 5.75] [%clk 0:00:58] } 66... Ra5 { [%eval 5.39] [%clk 0:04:40] } 67. Rd4 { [%eval 6.08] [%clk 0:00:56] } 67... Rc5 { [%eval 6.6] [%clk 0:04:30] } 68. Bd3 { [%eval 6.07] [%clk 0:01:03] } 68... Kh4 { [%eval 7.64] [%clk 0:04:02] } 69. Bf5 { [%eval 7.35] [%clk 0:01:04] } 69... Kg5 { [%eval 5.73] [%clk 0:04:17] } 70. Ke4 { [%eval 5.3] [%clk 0:01:08] } 70... Rc1 { [%eval 6.82] [%clk 0:03:40] } 71. Rd6 { [%eval 6.54] [%clk 0:01:13] } 71... Re1+ { [%eval 6.32] [%clk 0:03:46] } 72. Kd5 { [%eval 7.4] [%clk 0:01:33] } 72... Rd1+ { [%eval 7.37] [%clk 0:03:55] } 73. Ke6 { [%eval 6.83] [%clk 0:01:55] } 73... Re1+ { [%eval 7.78] [%clk 0:04:18] } 74. Kf7 { [%eval 6.59] [%clk 0:02:17] } 74... Ra1 { [%eval 8.94] [%clk 0:04:21] } 75. Rg6+ { [%eval 7.78] [%clk 0:02:22] } 75... Kf4 { [%eval 8.49] [%clk 0:04:37] } 76. Kf6 { [%eval 7.91] [%clk 0:02:34] } 76... Ra5 { [%eval 7.85] [%clk 0:03:48] } 77. Be6 { [%eval 9.03] [%clk 0:02:36] } 77... Ke4 { [%eval 9.36] [%clk 0:03:12] } 78. g5 { [%eval 8.74] [%clk 0:02:52] } 78... Ra6 { [%eval 8.37] [%clk 0:03:27] } 79. Rg7 { [%eval 6.81] [%clk 0:02:56] } 1-0