Event: Round 2: Ceron Pena, Didier Alexandro - Sierra Castillo, Eyber
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-activo-2025--juvenil-masculino/round-2/yxUxw6kc/u8D1kYnb
Date: 2025-10-27
White: Ceron Pena, Didier Alexandro
Black: Sierra Castillo, Eyber
BlackElo: 1690
Result: 0-1
ECO: A20
Opening: English Opening: King's English Variation
Variant: Standard
TimeControl: 15+10

1. c4 { [%eval 0.12] [%clk 0:15:16] } 1... e5 { [%eval 0.14] [%clk 0:15:20] } 2. g3 { [%eval 0.14] [%clk 0:15:23] } 2... Nc6 { [%eval 0.23] [%clk 0:15:29] } 3. Bg2 { [%eval 0.21] [%clk 0:15:31] } 3... Nf6 { [%eval 0.46] [%clk 0:15:38] } 4. e3?! { [%eval -0.52] } { Inaccuracy. Nc3 was best. } { [%clk 0:15:39] } 4... b6? { [%eval 0.78] } { Mistake. d5 was best. } { [%clk 0:15:47] } 5. Ne2 { [%eval 0.72] [%clk 0:15:46] } 5... Bb7 { [%eval 0.64] [%clk 0:15:56] } 6. b3?! { [%eval -0.1] } { Inaccuracy. Nbc3 was best. } { [%clk 0:14:59] } 6... Rb8?! { [%eval 0.67] } { Inaccuracy. d5 was best. } { [%clk 0:15:54] } 7. O-O { [%eval 0.7] [%clk 0:15:06] } 7... Be7 { [%eval 1.08] [%clk 0:15:56] } 8. Bb2 { [%eval 0.56] [%clk 0:15:14] } 8... d6?! { [%eval 1.41] } { Inaccuracy. d5 was best. } { [%clk 0:16:03] } 9. Nbc3 { [%eval 1.03] [%clk 0:14:58] } 9... O-O { [%eval 1.34] [%clk 0:16:10] } 10. d4 { [%eval 1.26] [%clk 0:15:05] } 10... exd4?! { [%eval 2.0] } { Inaccuracy. a6 was best. } { [%clk 0:16:15] } 11. exd4 { [%eval 2.05] [%clk 0:15:12] } 11... Re8 { [%eval 2.14] [%clk 0:16:17] } 12. d5 { [%eval 2.05] [%clk 0:15:09] } 12... Ne5 { [%eval 2.11] [%clk 0:16:26] } 13. Nd4 { [%eval 2.12] [%clk 0:14:31] } 13... Qd7 { [%eval 2.27] [%clk 0:16:30] } 14. f4 { [%eval 2.36] [%clk 0:14:32] } 14... Ng6 { [%eval 2.18] [%clk 0:16:24] } 15. Re1 { [%eval 1.8] [%clk 0:12:54] } 15... Bf8 { [%eval 1.75] [%clk 0:16:07] } 16. Nc6?! { [%eval 1.07] } { Inaccuracy. Qd3 was best. } { [%clk 0:11:38] } 16... Bxc6?! { [%eval 1.77] } { Inaccuracy. Rxe1+ was best. } { [%clk 0:16:00] } 17. dxc6 { [%eval 1.94] [%clk 0:11:47] } 17... Qc8 { [%eval 2.25] [%clk 0:15:13] } 18. Nb5?! { [%eval 1.14] } { Inaccuracy. Qd3 was best. } { [%clk 0:11:47] } 18... a6 { [%eval 1.67] [%clk 0:15:21] } 19. Nd4 { [%eval 1.27] [%clk 0:10:50] } 19... Qg4?! { [%eval 2.04] } { Inaccuracy. Rxe1+ was best. } { [%clk 0:14:26] } 20. h3?? { [%eval -2.47] } { Blunder. Qxg4 was best. } { [%clk 0:09:28] } 20... Qxg3 { [%eval -2.37] [%clk 0:13:20] } 21. Rf1? { [%eval -4.16] } { Mistake. Ne2 was best. } { [%clk 0:02:51] } 21... Nh4 { [%eval -4.15] [%clk 0:13:00] } 22. Qd2 { [%eval -4.03] [%clk 0:02:09] } 22... Ne4 { [%eval -3.98] [%clk 0:09:58] } 23. Qc2 { [%eval -3.97] [%clk 0:01:12] } 23... Qe3+ { [%eval -3.85] [%clk 0:10:05] } 24. Kh2 { [%eval -3.65] [%clk 0:00:49] } 24... Qg3+ { [%eval -3.66] [%clk 0:09:35] } 25. Kg1 { [%eval -3.87] [%clk 0:00:35] } 25... Nf6?! { [%eval -2.52] } { Inaccuracy. d5 was best. } { [%clk 0:06:48] } 26. Qf2 { [%eval -2.5] [%clk 0:00:18] } 26... Qxg2+ { [%eval -2.22] [%clk 0:06:34] } 27. Qxg2 { [%eval -2.48] [%clk 0:00:26] } 27... Nxg2 { [%eval -2.19] [%clk 0:06:41] } 28. Kxg2 { [%eval -2.17] [%clk 0:00:35] } 28... Re4? { [%eval -0.56] } { Mistake. d5 was best. } { [%clk 0:06:36] } 29. Nf3?? { [%eval -3.34] } { Blunder. Rae1 was best. } { [%clk 0:00:22] } 29... Rxf4?! { [%eval -2.45] } { Inaccuracy. Nh5 was best. } { [%clk 0:06:16] } 30. Bxf6?! { [%eval -3.29] } { Inaccuracy. Nd4 was best. } { [%clk 0:00:15] } 30... Rxf6 { [%eval -3.28] [%clk 0:06:24] } 31. Nh4 { [%eval -3.69] [%clk 0:00:14] } 31... Rxf1 { [%eval -3.75] [%clk 0:06:30] } 32. Kxf1 { [%eval -3.87] [%clk 0:00:23] } 32... Re8 { [%eval -3.36] [%clk 0:06:39] } 33. Nf3 { [%eval -3.27] [%clk 0:00:27] } 33... g6 { [%eval -3.26] [%clk 0:06:43] } 34. a4?! { [%eval -4.35] } { Inaccuracy. Rd1 was best. } { [%clk 0:00:30] } 34... Re3 { [%eval -4.17] [%clk 0:06:51] } 35. Kf2 { [%eval -4.98] [%clk 0:00:38] } 35... Rxb3 { [%eval -4.99] [%clk 0:06:59] } 36. Nd2 { [%eval -5.25] [%clk 0:00:13] } 36... Rb2 { [%eval -5.15] [%clk 0:07:03] } 37. Ke1 { [%eval -5.14] [%clk 0:00:20] } 37... Bh6 { [%eval -4.72] [%clk 0:07:03] } 38. Ne4 { [%eval -4.78] [%clk 0:00:13] } 38... Rc2 { [%eval -4.81] [%clk 0:07:01] } 39. Nf6+ { [%eval -4.63] [%clk 0:00:13] } 39... Kg7 { [%eval -4.78] [%clk 0:07:04] } 40. Ne8+ { [%eval -4.76] [%clk 0:00:21] } 40... Kf8 { [%eval -4.76] [%clk 0:07:07] } 41. Nxc7 { [%eval -4.78] [%clk 0:00:26] } 41... Rxc4 { [%eval -4.72] [%clk 0:07:12] } 42. Nxa6 { [%eval -4.73] [%clk 0:00:16] } 42... Rxc6 { [%eval -4.66] [%clk 0:07:20] } 43. Rd1 { [%eval -5.46] [%clk 0:00:14] } 43... Rc1 { [%eval -5.34] [%clk 0:07:20] } 44. Rxc1 { [%eval -5.29] [%clk 0:00:22] } 44... Bxc1 { [%eval -5.25] [%clk 0:07:29] } 45. Kd1 { [%eval -5.7] [%clk 0:00:18] } 45... Be3 { [%eval -5.68] [%clk 0:07:37] } 46. Nc7 { [%eval -5.69] [%clk 0:00:21] } 46... Bc5 { [%eval -5.49] [%clk 0:07:39] } 47. Nd5 { [%eval -5.8] [%clk 0:00:15] } 47... h5 { [%eval -5.57] [%clk 0:07:27] } 48. Ke2 { [%eval -5.37] [%clk 0:00:24] } 48... Kg7 { [%eval -5.28] [%clk 0:07:34] } 49. Kf3 { [%eval -5.15] [%clk 0:00:32] } 49... f6 { [%eval -5.14] [%clk 0:07:36] } 50. h4 { [%eval -5.61] [%clk 0:00:35] } 50... Kf7 { [%eval -5.66] [%clk 0:07:44] } 51. Kf4 { [%eval -5.47] [%clk 0:00:44] } 51... Ke6 { [%eval -5.43] [%clk 0:07:52] } 52. Nc7+ { [%eval -5.43] [%clk 0:00:46] } 52... Kf7 { [%eval -5.22] [%clk 0:07:58] } 53. Na6 { [%eval -6.36] [%clk 0:00:41] } 53... Bf2 { [%eval -6.03] [%clk 0:08:01] } 54. Nb4 { [%eval -6.28] [%clk 0:00:29] } 54... Bxh4 { [%eval -6.38] [%clk 0:08:03] } 55. Nd5 { [%eval -6.86] [%clk 0:00:37] } 55... Bf2 { [%eval -6.64] [%clk 0:08:10] } 56. Kf3 { [%eval -7.06] [%clk 0:00:44] } 56... Bc5 { [%eval -7.01] [%clk 0:08:19] } 57. Ke4 { [%eval -7.56] [%clk 0:00:46] } 57... h4 { [%eval -7.67] [%clk 0:07:20] } 58. Kf3 { [%eval -7.9] [%clk 0:00:37] } 58... g5 { [%eval -7.68] [%clk 0:07:23] } 59. Kg4 { [%eval -8.02] [%clk 0:00:45] } 59... Ke6 { [%eval -8.22] [%clk 0:07:32] } 60. Nc7+ { [%eval -8.79] [%clk 0:00:34] } 60... Ke5 { [%eval -8.96] [%clk 0:07:41] } 61. Ne8 { [%eval -9.89] [%clk 0:00:19] } 61... d5 { [%eval -10.27] [%clk 0:07:41] } 62. Nc7 { [%eval -11.19] [%clk 0:00:25] } 62... d4 { [%eval -78.69] [%clk 0:07:38] } 63. Nb5?! { [%eval #-16] } { Checkmate is now unavoidable. Kh5 was best. } { [%clk 0:00:22] } 63... d3 { [%eval -16.13] [%clk 0:07:43] } 64. Nc3 { [%eval -12.76] [%clk 0:00:28] } 64... d2 { [%eval -13.09] [%clk 0:07:45] } 65. Nd1 { [%eval -10.14] [%clk 0:00:37] } 65... Kd5 { [%eval -11.33] [%clk 0:07:39] } 66. Kf3 { [%eval -11.77] [%clk 0:00:44] } 66... f5 { [%eval -10.4] [%clk 0:07:47] } 67. Ke2 { [%eval -9.21] [%clk 0:00:23] } 67... Bb4 { [%eval -9.7] [%clk 0:07:48] } 68. Ne3+ { [%eval -11.99] [%clk 0:00:14] } 68... Ke4 { [%eval -11.04] [%clk 0:07:57] } 69. Nc4 { [%eval -12.17] [%clk 0:00:16] } 69... Ba5 { [%eval -63.16] [%clk 0:08:07] } 70. Kd1?! { [%eval #-11] } { Checkmate is now unavoidable. Ne3 was best. } { [%clk 0:00:24] } 70... h3 { [%eval #-10] [%clk 0:08:14] } 71. Nd6+ { [%eval #-10] [%clk 0:00:12] } 71... Kf4 { [%eval #-9] [%clk 0:08:22] } 72. Nc4 { [%eval #-9] [%clk 0:00:14] } 72... h2 { [%eval #-8] [%clk 0:08:29] } 73. Nxd2 { [%eval #-7] [%clk 0:00:11] } 73... Bxd2 { [%eval #-8] [%clk 0:08:36] } 74. Kxd2 { [%eval #-8] [%clk 0:00:20] } 74... h1=Q { [%eval #-7] [%clk 0:08:43] } 75. Kc3 { [%eval #-6] [%clk 0:00:28] } 75... Qc6+ { [%eval #-6] [%clk 0:08:49] } 76. Kb3 { [%eval #-5] [%clk 0:00:37] } 76... Qxa4+ { [%eval #-13] [%clk 0:08:56] } 0-1