Event: Round 5: Rincon Barrera, Oliver Alexander - Ceron Pena, Didier Alexandro
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-activo-2025--juvenil-masculino/round-5/NoS8723R/QGpKLbvN
Date: 2025-10-28
White: Rincon Barrera, Oliver Alexander
Black: Ceron Pena, Didier Alexandro
Result: 0-1
ECO: A80
Opening: Dutch Defense
Variant: Standard
TimeControl: 15+10

1. d4 { [%eval 0.17] [%clk 0:15:18] } 1... f5 { [%eval 0.47] [%clk 0:15:13] } 2. Bf4 { [%eval 0.37] [%clk 0:15:26] } 2... d5 { [%eval 0.79] [%clk 0:15:16] } 3. Nf3 { [%eval 0.74] [%clk 0:15:31] } 3... e6 { [%eval 0.78] [%clk 0:15:22] } 4. e3 { [%eval 0.79] [%clk 0:15:35] } 4... Nc6 { [%eval 0.79] [%clk 0:15:25] } 5. Bd3 { [%eval 0.71] [%clk 0:15:34] } 5... g6?! { [%eval 1.28] } { Inaccuracy. Nf6 was best. } { [%clk 0:15:08] } 6. h3 { [%eval 1.23] [%clk 0:15:37] } 6... Bg7 { [%eval 1.67] [%clk 0:15:17] } 7. Nbd2?! { [%eval 0.93] } { Inaccuracy. c4 was best. } { [%clk 0:15:45] } 7... Nf6 { [%eval 1.34] [%clk 0:14:50] } 8. O-O { [%eval 1.19] [%clk 0:15:20] } 8... O-O { [%eval 1.39] [%clk 0:14:39] } 9. c4 { [%eval 1.4] [%clk 0:15:36] } 9... Ne4 { [%eval 1.41] [%clk 0:14:39] } 10. cxd5 { [%eval 1.18] [%clk 0:15:05] } 10... exd5 { [%eval 1.08] [%clk 0:14:47] } 11. Rc1 { [%eval 1.12] [%clk 0:15:00] } 11... Nb4?! { [%eval 2.09] } { Inaccuracy. g5 was best. } { [%clk 0:14:20] } 12. Bxc7 { [%eval 2.01] [%clk 0:13:38] } 12... Qe7 { [%eval 1.98] [%clk 0:13:03] } 13. Nb3?? { [%eval 0.0] } { Blunder. Bb1 was best. } { [%clk 0:12:22] } 13... Nxa2 { [%eval 0.0] [%clk 0:12:28] } 14. Rc5?? { [%eval -3.57] } { Blunder. Rc2 was best. } { [%clk 0:12:02] } 14... Nxc5 { [%eval -3.35] [%clk 0:12:16] } 15. dxc5?! { [%eval -4.39] } { Inaccuracy. Nxc5 was best. } { [%clk 0:12:06] } 15... Qxc7 { [%eval -4.45] [%clk 0:12:21] } 16. Bb5 { [%eval -4.42] [%clk 0:10:50] } 16... a6 { [%eval -4.35] [%clk 0:11:54] } 17. Qxd5+ { [%eval -4.32] [%clk 0:10:49] } 17... Qf7 { [%eval -4.23] [%clk 0:10:26] } 18. Qxf7+ { [%eval -4.24] [%clk 0:10:07] } 18... Rxf7 { [%eval -3.87] [%clk 0:10:33] } 19. Bc4 { [%eval -3.79] [%clk 0:10:15] } 19... Bxb2?? { [%eval -0.28] } { Blunder. Bf6 was best. } { [%clk 0:09:50] } 20. Ng5 { [%eval -0.38] [%clk 0:10:15] } 20... Kf8 { [%eval -0.36] [%clk 0:06:28] } 21. Nxf7 { [%eval -0.41] [%clk 0:10:22] } 21... Bd7?? { [%eval 1.49] } { Blunder. Nc3 was best. } { [%clk 0:06:07] } 22. Rd1?! { [%eval 0.78] } { Inaccuracy. Rb1 was best. } { [%clk 0:10:22] } 22... Bb5 { [%eval 1.06] [%clk 0:06:03] } 23. Be6?? { [%eval -1.2] } { Blunder. Bxb5 was best. } { [%clk 0:09:29] } 23... Re8?! { [%eval -0.11] } { Inaccuracy. Ke7 was best. } { [%clk 0:05:42] } 24. Rd8?? { [%eval -3.55] } { Blunder. Bd7 was best. } { [%clk 0:09:28] } 24... Rxd8 { [%eval -3.72] [%clk 0:05:50] } 25. Nxd8 { [%eval -3.64] [%clk 0:09:36] } 25... Ke7 { [%eval -3.44] [%clk 0:05:59] } 26. Nd4?! { [%eval -4.31] } { Inaccuracy. Na5 was best. } { [%clk 0:09:22] } 26... Bxd4 { [%eval -4.36] [%clk 0:06:04] } 27. Bxa2 { [%eval -4.13] [%clk 0:09:31] } 27... Bxe3?! { [%eval -2.78] } { Inaccuracy. Bxc5 was best. } { [%clk 0:04:54] } 28. Nxb7 { [%eval -2.83] [%clk 0:09:31] } 28... Bd2 { [%eval -2.65] [%clk 0:03:29] } 29. Nd6 { [%eval -2.4] [%clk 0:09:23] } 29... Bf4?? { [%eval -0.16] } { Blunder. Bc6 was best. } { [%clk 0:02:21] } 30. Nc8+?? { [%eval -3.91] } { Blunder. Nxb5 was best. } { [%clk 0:09:13] } 30... Kd7 { [%eval -3.92] [%clk 0:02:11] } 31. Nb6+ { [%eval -4.48] [%clk 0:09:14] } 31... Kc6 { [%eval -4.37] [%clk 0:01:59] } 32. Nd5 { [%eval -4.31] [%clk 0:08:52] } 32... Bc1 { [%eval -3.76] [%clk 0:01:42] } 33. Nf6 { [%eval -4.39] [%clk 0:08:01] } 33... h6 { [%eval -4.14] [%clk 0:01:31] } 34. Nd5 { [%eval -4.46] [%clk 0:07:23] } 34... Kxc5 { [%eval -4.35] [%clk 0:01:24] } 35. Nf4?! { [%eval -6.97] } { Inaccuracy. Nc7 was best. } { [%clk 0:06:50] } 35... g5?! { [%eval -4.3] } { Inaccuracy. Bxf4 was best. } { [%clk 0:01:12] } 36. Ne6+ { [%eval -4.29] [%clk 0:06:56] } 36... Kb4 { [%eval -4.14] [%clk 0:00:23] } 37. Nd4 { [%eval -4.23] [%clk 0:06:32] } 37... Ka3?! { [%eval -3.09] } { Inaccuracy. Bd7 was best. } { [%clk 0:00:40] } 38. Be6 { [%eval -2.91] [%clk 0:06:06] } 38... f4?? { [%eval 0.0] } { Blunder. Bd3 was best. } { [%clk 0:00:23] } 39. Nc2+?? { [%eval -3.7] } { Blunder. Nxb5+ was best. } { [%clk 0:06:06] } 39... Kb2 { [%eval -4.01] } 40. Nd4 { [%eval -3.87] [%clk 0:05:58] } 40... Bd3 { [%eval -3.78] [%clk 0:00:23] } 41. Nc6 { [%eval -3.88] [%clk 0:04:01] } 41... Be4 { [%eval -3.8] [%clk 0:00:22] } 42. Nb4 { [%eval -4.65] [%clk 0:03:42] } 42... a5 { [%eval -4.54] [%clk 0:00:25] } 43. Na6 { [%eval -4.37] [%clk 0:03:32] } 43... Bd2 { [%eval -4.31] [%clk 0:00:28] } 44. Nc5 { [%eval -4.51] [%clk 0:03:09] } 44... Bb4?? { [%eval 0.09] } { Blunder. Bc2 was best. } 45. Nxe4 { [%eval 0.0] [%clk 0:03:33] } 45... a4 { [%eval 0.08] [%clk 0:00:29] } 46. g3 { [%eval 0.0] [%clk 0:02:55] } 46... fxg3 { [%eval 0.04] [%clk 0:00:32] } 47. fxg3 { [%eval 0.0] [%clk 0:03:03] } 47... a3 { [%eval 0.0] [%clk 0:00:41] } 48. Nf2 { [%eval 0.0] [%clk 0:03:04] } 48... a2 { [%eval 0.0] [%clk 0:00:29] } 49. Bxa2 { [%eval 0.0] [%clk 0:03:18] } 49... Kxa2 { [%eval 0.0] [%clk 0:00:38] } 50. Nd3 { [%eval 0.0] [%clk 0:03:25] } 50... Bd6 { [%eval 0.0] [%clk 0:00:34] } 51. g4 { [%eval 0.0] [%clk 0:03:30] } 51... Kb3 { [%eval 0.0] [%clk 0:00:36] } 52. Nc1+ { [%eval 0.0] [%clk 0:03:35] } 52... Kc4 { [%eval 0.0] [%clk 0:00:44] } 53. Kf2 { [%eval 0.0] [%clk 0:03:38] } 53... Kd4 { [%eval 0.0] [%clk 0:00:38] } 54. Kf3 { [%eval 0.0] [%clk 0:03:42] } 54... Ke5 { [%eval 0.0] [%clk 0:00:32] } 55. Nd3+ { [%eval 0.0] [%clk 0:03:46] } 55... Kd4 { [%eval 0.0] [%clk 0:00:27] } 56. Nb2 { [%eval 0.0] [%clk 0:03:26] } 56... Ke5 { [%eval 0.0] [%clk 0:00:22] } 57. Nc4+ { [%eval 0.0] [%clk 0:03:31] } 57... Ke6 { [%eval 0.0] [%clk 0:00:31] } 58. Nxd6 { [%eval 0.0] [%clk 0:03:40] } 58... Kxd6 { [%eval 0.0] [%clk 0:00:40] } 59. Ke4 { [%eval 0.0] [%clk 0:03:49] } 59... Ke6 { [%eval 0.0] [%clk 0:00:48] } 60. Kf3 { [%eval 0.0] [%clk 0:03:48] } 60... Ke5 { [%eval 0.0] [%clk 0:00:56] } 61. Kg3 { [%eval 0.0] [%clk 0:03:50] } 61... Ke4 { [%eval 0.0] [%clk 0:01:01] } 62. h4 { [%eval 0.0] [%clk 0:03:44] } 62... Ke3 { [%eval 0.0] [%clk 0:01:01] } 63. hxg5 { [%eval 0.0] [%clk 0:03:12] } 63... hxg5 { [%eval 0.0] [%clk 0:01:07] } 64. Kg2 { [%eval 0.0] [%clk 0:02:32] } 64... Kf4 { [%eval 0.0] [%clk 0:01:12] } 65. Kh3 { [%eval 0.0] [%clk 0:02:42] } 65... Kf3 { [%eval 0.0] [%clk 0:01:21] } 66. Kh2 { [%eval 0.0] [%clk 0:02:30] } 66... Kxg4 { [%eval 0.0] [%clk 0:01:29] } 0-1