Event: Round 5: Otero, Juan David - Mejia Romero, Arlon Maiko
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-activo-2025--juvenil-masculino/round-5/NoS8723R/zugCejD6
Date: 2025-10-28
White: Otero, Juan David
WhiteElo: 1422
Black: Mejia Romero, Arlon Maiko
Result: 1-0
ECO: A43
Opening: Benoni Defense: Old Benoni
Variant: Standard
TimeControl: 15+10

1. d4 { [%eval 0.17] [%clk 0:15:20] } 1... c5 { [%eval 0.61] [%clk 0:14:27] } 2. e3 { [%eval 0.08] [%clk 0:15:27] } 2... Nf6 { [%eval 0.3] [%clk 0:14:29] } 3. Nf3 { [%eval 0.0] [%clk 0:15:35] } 3... g6 { [%eval 0.31] [%clk 0:14:17] } 4. b3 { [%eval -0.06] [%clk 0:15:37] } 4... Nc6 { [%eval 0.26] [%clk 0:14:21] } 5. Bb2 { [%eval -0.03] [%clk 0:15:45] } 5... e5?? { [%eval 3.37] } { Blunder. cxd4 was best. } { [%clk 0:14:28] } 6. dxe5 { [%eval 3.29] [%clk 0:15:52] } 6... Nh5 { [%eval 4.09] [%clk 0:13:45] } 7. Bc4 { [%eval 3.75] [%clk 0:15:41] } 7... Bg7 { [%eval 3.82] [%clk 0:13:38] } 8. O-O? { [%eval 2.27] } { Mistake. Qd6 was best. } { [%clk 0:15:37] } 8... d6 { [%eval 2.21] [%clk 0:13:24] } 9. Bd5? { [%eval 0.95] } { Mistake. Bc3 was best. } { [%clk 0:14:47] } 9... Nb4? { [%eval 2.25] } { Mistake. Nxe5 was best. } { [%clk 0:12:28] } 10. a3 { [%eval 2.1] [%clk 0:12:55] } 10... Nxd5 { [%eval 2.04] [%clk 0:11:44] } 11. Qxd5 { [%eval 2.06] [%clk 0:13:00] } 11... dxe5 { [%eval 1.99] [%clk 0:10:23] } 12. Qxd8+ { [%eval 1.78] [%clk 0:13:04] } 12... Kxd8 { [%eval 1.8] [%clk 0:10:26] } 13. Bxe5 { [%eval 1.9] [%clk 0:13:12] } 13... Bf5 { [%eval 2.06] [%clk 0:09:35] } 14. c3?! { [%eval 1.36] } { Inaccuracy. c4 was best. } { [%clk 0:11:17] } 14... f6?! { [%eval 2.0] } { Inaccuracy. Bxe5 was best. } { [%clk 0:09:21] } 15. Bg3?? { [%eval 0.15] } { Blunder. Bd6 was best. } { [%clk 0:11:19] } 15... Nxg3 { [%eval 0.28] [%clk 0:08:56] } 16. fxg3?! { [%eval -0.75] } { Inaccuracy. hxg3 was best. } { [%clk 0:11:22] } 16... g5?? { [%eval 2.44] } { Blunder. Re8 was best. } { [%clk 0:07:46] } 17. Nxg5 { [%eval 2.54] [%clk 0:11:13] } 17... fxg5 { [%eval 2.62] [%clk 0:07:37] } 18. Rxf5 { [%eval 2.7] [%clk 0:11:20] } 18... Bh6? { [%eval 4.49] } { Mistake. Ke7 was best. } { [%clk 0:06:42] } 19. Nd2 { [%eval 4.43] [%clk 0:11:03] } 19... Rf8 { [%eval 4.47] [%clk 0:06:33] } 20. Rxf8+ { [%eval 3.75] [%clk 0:11:03] } 20... Bxf8 { [%eval 3.56] [%clk 0:06:39] } 21. Re1 { [%eval 3.12] [%clk 0:11:12] } 21... Ke8 { [%eval 3.56] [%clk 0:06:18] } 22. Ne4?! { [%eval 2.7] } { Inaccuracy. Kf2 was best. } { [%clk 0:11:18] } 22... h6?! { [%eval 3.57] } { Inaccuracy. c4 was best. } { [%clk 0:06:19] } 23. h4?! { [%eval 2.7] } { Inaccuracy. c4 was best. } { [%clk 0:09:34] } 23... gxh4 { [%eval 3.11] [%clk 0:06:16] } 24. gxh4 { [%eval 3.02] [%clk 0:09:43] } 24... c4 { [%eval 2.86] [%clk 0:06:24] } 25. bxc4 { [%eval 2.24] [%clk 0:09:37] } 25... Rc8 { [%eval 2.08] [%clk 0:06:31] } 26. Rd1? { [%eval 0.37] } { Mistake. c5 was best. } { [%clk 0:08:12] } 26... Rxc4 { [%eval 0.48] [%clk 0:06:20] } 27. Nd6+ { [%eval 0.12] [%clk 0:08:21] } 27... Bxd6 { [%eval 0.26] [%clk 0:06:26] } 28. Rxd6 { [%eval 0.31] [%clk 0:08:30] } 28... Rxc3?? { [%eval 3.67] } { Blunder. Rxh4 was best. } { [%clk 0:06:31] } 29. Rxh6 { [%eval 3.61] [%clk 0:08:35] } 29... Rxa3 { [%eval 3.71] [%clk 0:06:23] } 30. Rh8+ { [%eval 3.44] [%clk 0:08:44] } 30... Kd7 { [%eval 4.14] [%clk 0:06:31] } 31. Rh7+ { [%eval 4.18] [%clk 0:08:40] } 31... Kc6 { [%eval 3.84] [%clk 0:06:39] } 32. Rh6+? { [%eval 2.32] } { Mistake. h5 was best. } { [%clk 0:08:48] } 32... Kc7 { [%eval 2.92] [%clk 0:06:45] } 33. Re6?? { [%eval 0.16] } { Blunder. h5 was best. } { [%clk 0:08:57] } 33... Kd7?? { [%eval 2.03] } { Blunder. Ra5 was best. } { [%clk 0:06:51] } 34. Re4?! { [%eval 1.29] } { Inaccuracy. Re5 was best. } { [%clk 0:09:06] } 34... Ra5?? { [%eval 4.3] } { Blunder. a5 was best. } { [%clk 0:06:52] } 35. Rg4?? { [%eval 0.1] } { Blunder. g4 was best. } { [%clk 0:09:13] } 35... b5?? { [%eval 3.76] } { Blunder. Rh5 was best. } { [%clk 0:06:29] } 36. Rg5?? { [%eval 0.86] } { Blunder. h5 was best. } { [%clk 0:09:22] } 36... Ke6?? { [%eval 3.47] } { Blunder. Ra1+ was best. } { [%clk 0:06:30] } 37. h5 { [%eval 3.88] [%clk 0:09:30] } 37... Kf6 { [%eval 3.87] [%clk 0:06:39] } 38. Rc5 { [%eval 3.62] [%clk 0:09:39] } 38... Kg7 { [%eval 4.26] [%clk 0:06:41] } 39. g4 { [%eval 3.71] [%clk 0:09:47] } 39... Kh6?! { [%eval 5.45] } { Inaccuracy. Ra1+ was best. } { [%clk 0:06:49] } 40. Kf2 { [%eval 5.51] [%clk 0:09:52] } 40... Ra2+ { [%eval 5.03] [%clk 0:06:54] } 41. Kf3 { [%eval 5.3] [%clk 0:09:59] } 41... b4 { [%eval 5.15] [%clk 0:06:59] } 42. Rb5 { [%eval 5.1] [%clk 0:10:08] } 42... a5 { [%eval 5.1] [%clk 0:06:58] } 43. Kf4 { [%eval 4.97] [%clk 0:10:06] } 43... Rf2+ { [%eval 4.58] [%clk 0:07:00] } 44. Ke4 { [%eval 3.95] [%clk 0:10:14] } 44... a4?! { [%eval 5.27] } { Inaccuracy. Rf7 was best. } { [%clk 0:06:55] } 45. Rxb4 { [%eval 5.09] [%clk 0:10:23] } 45... a3 { [%eval 4.95] [%clk 0:07:04] } 46. Ra4 { [%eval 4.83] [%clk 0:10:31] } 46... a2 { [%eval 4.64] [%clk 0:07:12] } 47. Ra6+?? { [%eval 0.0] } { Blunder. Ra5 was best. } { [%clk 0:10:06] } 47... Kg5 { [%eval 0.0] [%clk 0:04:28] } 48. h6 { [%eval 0.0] [%clk 0:09:59] } 48... Rf6 { [%eval 0.0] [%clk 0:04:36] } 49. Rxa2 { [%eval 0.02] [%clk 0:10:05] } 49... Kxg4?? { [%eval 7.38] } { Blunder. Rxh6 was best. } { [%clk 0:04:43] } 50. Rg2+ { [%eval 6.77] [%clk 0:10:12] } 50... Kh3 { [%eval 6.98] [%clk 0:04:36] } 51. Rg1 { [%eval 6.78] [%clk 0:10:14] } 51... Kh2 { [%eval 6.18] [%clk 0:04:40] } 52. Rg5 { [%eval 6.91] [%clk 0:09:38] } 52... Rxh6 { [%eval 6.76] [%clk 0:04:23] } 53. Kf5 { [%eval 6.52] [%clk 0:09:33] } 53... Rh8 { [%eval 6.11] [%clk 0:03:49] } 54. Rg6 { [%eval 5.85] [%clk 0:09:35] } 54... Rf8+ { [%eval 6.51] [%clk 0:03:55] } 55. Rf6 { [%eval 6.48] [%clk 0:09:44] } 55... Re8 { [%eval 6.29] [%clk 0:04:04] } 56. e4 { [%eval 5.98] [%clk 0:09:53] } 56... Kh3 { [%eval 6.18] [%clk 0:04:01] } 57. e5 { [%eval 6.92] [%clk 0:10:01] } 57... Kh4 { [%eval 7.24] [%clk 0:04:05] } 58. e6 { [%eval 6.13] [%clk 0:10:05] } 58... Kh5 { [%eval 7.01] [%clk 0:04:10] } 59. Rf7 { [%eval 9.9] [%clk 0:10:09] } 59... Kh6 { [%eval 12.27] [%clk 0:03:49] } 60. Kf6?! { [%eval 6.48] } { Inaccuracy. e7 was best. } { [%clk 0:10:18] } 60... Kh5?? { [%eval #15] } { Checkmate is now unavoidable. Ra8 was best. } { [%clk 0:03:18] } 61. e7 { [%eval #14] [%clk 0:10:27] } 61... Ra8 { [%eval #15] [%clk 0:03:16] } 62. Rf8 { [%eval #13] [%clk 0:10:16] } 62... Ra6+ { [%eval #20] [%clk 0:03:23] } 63. Kf7 { [%eval #20] [%clk 0:10:14] } 63... Ra7 { [%eval #20] [%clk 0:03:30] } 64. Rh8+?! { [%eval 70.51] } { Lost forced checkmate sequence. Ke6 was best. } { [%clk 0:10:17] } 64... Kg5?! { [%eval #21] } { Checkmate is now unavoidable. Kg4 was best. } { [%clk 0:03:33] } 65. Rg8+?! { [%eval 44.24] } { Lost forced checkmate sequence. Kf8 was best. } { [%clk 0:10:26] } 65... Kf5?! { [%eval #23] } { Checkmate is now unavoidable. Kh4 was best. } { [%clk 0:03:41] } 66. Rg1 { [%eval #22] [%clk 0:10:29] } 66... Ke5 { [%eval #23] [%clk 0:03:17] } 67. Kf8 { [%eval #17] [%clk 0:10:26] } 67... Ra8+ { [%eval #17] [%clk 0:03:21] } 68. e8=Q+ { [%eval #16] [%clk 0:10:33] } 68... Rxe8+ { [%eval #16] [%clk 0:03:28] } 69. Kxe8 { [%eval #16] [%clk 0:10:41] } 69... Kd4 { [%eval #15] [%clk 0:03:33] } 70. Rg5 { [%eval #15] [%clk 0:10:50] } 70... Ke4 { [%eval #15] [%clk 0:03:41] } 71. Kf7 { [%eval #14] [%clk 0:10:59] } 71... Kf4 { [%eval #13] [%clk 0:03:45] } 72. Ra5 { [%eval #14] [%clk 0:11:08] } 72... Ke4 { [%eval #14] [%clk 0:03:47] } 73. Ke6 { [%eval #13] [%clk 0:11:16] } 73... Kd4 { [%eval #13] [%clk 0:03:56] } 74. Rh5 { [%eval #13] [%clk 0:11:25] } 74... Ke4 { [%eval #12] [%clk 0:04:02] } 75. Rh4+ { [%eval #11] [%clk 0:11:34] } 75... Kf3 { [%eval #11] [%clk 0:04:10] } 76. Ke5 { [%eval #10] [%clk 0:11:43] } 76... Kg3 { [%eval #8] [%clk 0:04:18] } 77. Ra4 { [%eval #9] [%clk 0:11:52] } 77... Kf3 { [%eval #9] [%clk 0:04:13] } 78. Rb4 { [%eval #11] [%clk 0:11:59] } 78... Ke3 { [%eval #11] [%clk 0:04:19] } 79. Rb3+ { [%eval #10] [%clk 0:12:08] } 79... Kd2 { [%eval #9] [%clk 0:04:24] } 80. Ke4 { [%eval #8] [%clk 0:12:13] } 80... Kc2 { [%eval #8] [%clk 0:04:32] } 81. Rh3 { [%eval #9] [%clk 0:12:22] } 81... Kd2 { [%eval #9] [%clk 0:04:35] } 82. Kd4 { [%eval #9] [%clk 0:12:31] } 82... Ke2 { [%eval #9] [%clk 0:04:42] } 83. Ra3 { [%eval #8] [%clk 0:12:40] } 83... Kd2 { [%eval #7] [%clk 0:04:48] } 84. Ra2+ { [%eval #6] [%clk 0:12:49] } 84... Ke1 { [%eval #5] [%clk 0:04:53] } 85. Kd3 { [%eval #4] [%clk 0:12:58] } 85... Kf1 { [%eval #4] [%clk 0:04:59] } 86. Ke3 { [%eval #3] [%clk 0:13:06] } 86... Kg1 { [%eval #3] [%clk 0:04:44] } 87. Kf3 { [%eval #2] [%clk 0:13:15] } 87... Kh1 { [%eval #2] [%clk 0:04:47] } 88. Kg3 { [%eval #1] [%clk 0:13:24] } 88... Kg1 { [%eval #1] [%clk 0:04:49] } 89. Ra1# { [%clk 0:13:33] } 1-0