Event: Round 4: Lopez Becerra, Elmer Andres - Castrillon Arevalo, Hector Anibal
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-activo-2025--pre-juvenil-masculino/round-4/7G8OFQhf/ocbmsIvG
Date: 2025-10-28
White: Lopez Becerra, Elmer Andres
Black: Castrillon Arevalo, Hector Anibal
Result: 1-0
ECO: B23
Opening: Sicilian Defense: Grand Prix Attack
Variant: Standard
TimeControl: 15+10

1. e4 { [%eval 0.18] [%clk 0:15:17] } 1... c5 { [%eval 0.24] [%clk 0:15:19] } 2. Nc3 { [%eval 0.26] [%clk 0:15:25] } 2... Nc6 { [%eval 0.23] [%clk 0:15:27] } 3. f4 { [%eval -0.09] [%clk 0:15:34] } 3... g6 { [%eval -0.17] [%clk 0:15:21] } 4. Nf3 { [%eval -0.11] [%clk 0:15:36] } 4... Bg7 { [%eval -0.1] [%clk 0:15:29] } 5. e5?! { [%eval -0.73] } { Inaccuracy. a4 was best. } { [%clk 0:15:44] } 5... e6? { [%eval 0.8] } { Mistake. d6 was best. } { [%clk 0:15:33] } 6. d4 { [%eval 0.84] [%clk 0:15:51] } 6... cxd4 { [%eval 0.94] [%clk 0:15:24] } 7. Nxd4?! { [%eval 0.22] } { Inaccuracy. Ne4 was best. } { [%clk 0:15:59] } 7... Nge7 { [%eval 0.25] [%clk 0:15:32] } 8. Ne4 { [%eval 0.0] [%clk 0:16:01] } 8... O-O { [%eval -0.03] [%clk 0:15:01] } 9. b3? { [%eval -1.52] } { Mistake. Nf3 was best. } { [%clk 0:15:54] } 9... Qb6?? { [%eval 0.19] } { Blunder. Nxd4 was best. } { [%clk 0:15:09] } 10. Bb2 { [%eval 0.09] [%clk 0:15:39] } 10... Nxd4?! { [%eval 0.97] } { Inaccuracy. Nf5 was best. } { [%clk 0:13:22] } 11. Qxd4 { [%eval 0.95] [%clk 0:15:36] } 11... Qxd4 { [%eval 1.09] [%clk 0:13:29] } 12. Bxd4 { [%eval 1.13] [%clk 0:15:44] } 12... Nc6?! { [%eval 1.89] } { Inaccuracy. b6 was best. } { [%clk 0:13:37] } 13. Bc5 { [%eval 1.84] [%clk 0:15:48] } 13... Rd8 { [%eval 2.11] [%clk 0:13:17] } 14. O-O-O { [%eval 1.58] [%clk 0:15:46] } 14... b6?! { [%eval 2.24] } { Inaccuracy. d5 was best. } { [%clk 0:13:18] } 15. Ba3?! { [%eval 1.46] } { Inaccuracy. Bd6 was best. } { [%clk 0:15:38] } 15... Bb7 { [%eval 1.74] [%clk 0:13:11] } 16. Nd6 { [%eval 1.42] [%clk 0:15:44] } 16... Rab8? { [%eval 3.32] } { Mistake. Bf8 was best. } { [%clk 0:12:48] } 17. Nxb7 { [%eval 3.18] [%clk 0:15:44] } 17... Rxb7 { [%eval 3.1] [%clk 0:12:47] } 18. g3?? { [%eval 0.91] } { Blunder. Ba6 was best. } { [%clk 0:15:48] } 18... Rc7?? { [%eval 3.37] } { Blunder. Bf8 was best. } { [%clk 0:12:25] } 19. Bd6 { [%eval 3.36] [%clk 0:15:54] } 19... Rcc8 { [%eval 3.41] [%clk 0:12:34] } 20. Bg2?? { [%eval 0.17] } { Blunder. Ba6 was best. } { [%clk 0:15:55] } 20... Bf8 { [%eval 0.21] [%clk 0:11:49] } 21. a3 { [%eval 0.15] [%clk 0:15:09] } 21... Bxd6 { [%eval 0.23] [%clk 0:11:34] } 22. Rxd6 { [%eval 0.26] [%clk 0:15:13] } 22... Na5 { [%eval 0.44] [%clk 0:11:30] } 23. Rhd1?? { [%eval -1.48] } { Blunder. Kb2 was best. } { [%clk 0:15:11] } 23... Rc7?? { [%eval 0.61] } { Blunder. Nxb3+ was best. } { [%clk 0:11:33] } 24. g4?? { [%eval -2.18] } { Blunder. Kb2 was best. } { [%clk 0:14:30] } 24... Nb7?? { [%eval 0.97] } { Blunder. Rdc8 was best. } { [%clk 0:11:18] } 25. Bxb7 { [%eval 0.66] [%clk 0:14:27] } 25... Rxb7 { [%eval 0.69] [%clk 0:11:27] } 26. h4 { [%eval 0.59] [%clk 0:14:23] } 26... Kg7 { [%eval 0.84] [%clk 0:11:26] } 27. c4 { [%eval 0.32] [%clk 0:14:25] } 27... f6?? { [%eval 3.47] } { Blunder. Kf8 was best. } { [%clk 0:10:25] } 28. Rxe6 { [%eval 3.3] [%clk 0:14:23] } 28... dxe6 { [%eval 3.29] [%clk 0:10:31] } 29. exf6+?! { [%eval 2.06] } { Inaccuracy. Rxd8 was best. } { [%clk 0:14:25] } 29... Kxf6 { [%eval 2.04] [%clk 0:10:38] } 30. Rxd8 { [%eval 1.89] [%clk 0:14:33] } 30... h5 { [%eval 1.71] [%clk 0:10:38] } 31. Rf8+?? { [%eval 0.0] } { Blunder. gxh5 was best. } { [%clk 0:13:50] } 31... Rf7?? { [%eval 7.45] } { Blunder. Kg7 was best. } { [%clk 0:10:38] } 32. Rxf7+ { [%eval 6.89] [%clk 0:13:45] } 32... Kxf7 { [%eval 7.2] [%clk 0:10:47] } 33. g5 { [%eval 6.84] [%clk 0:13:53] } 33... Ke7 { [%eval 7.84] [%clk 0:10:56] } 34. Kd2 { [%eval 7.75] [%clk 0:14:02] } 34... Kd6 { [%eval 7.31] [%clk 0:11:05] } 35. Kd3 { [%eval 7.19] [%clk 0:14:10] } 35... Kc5 { [%eval 7.63] [%clk 0:11:08] } 36. Ke4 { [%eval 9.0] [%clk 0:14:07] } 36... Kd6 { [%eval 8.81] [%clk 0:11:17] } 37. b4 { [%eval 7.8] [%clk 0:14:11] } 37... a6 { [%eval 10.73] [%clk 0:10:07] } 38. a4 { [%eval 10.69] [%clk 0:14:04] } 38... Kc6 { [%eval 9.71] [%clk 0:09:33] } 39. Ke5 { [%eval 8.63] [%clk 0:14:10] } 39... a5 { [%eval 13.26] [%clk 0:09:35] } 40. bxa5 { [%eval 14.25] [%clk 0:14:15] } 40... bxa5 { [%eval 81.95] [%clk 0:09:44] } 41. Kf6 { [%eval #17] [%clk 0:14:16] } 41... Kc5 { [%eval #18] [%clk 0:09:53] } 42. Kxg6 { [%eval 13.41] [%clk 0:14:24] } 42... Kxc4?! { [%eval #15] } { Checkmate is now unavoidable. Kb4 was best. } { [%clk 0:10:01] } 43. Kxh5 { [%eval #14] [%clk 0:14:32] } 43... Kb4 { [%eval #13] [%clk 0:10:11] } 44. g6 { [%eval #12] [%clk 0:14:37] } 44... Kxa4 { [%eval #12] [%clk 0:10:20] } 45. g7 { [%eval #11] [%clk 0:14:45] } 45... Kb3 { [%eval #11] [%clk 0:10:28] } 46. g8=Q { [%eval #10] [%clk 0:14:52] } 46... a4 { [%eval #8] [%clk 0:10:37] } 47. Qxe6+ { [%eval #9] [%clk 0:14:59] } 47... Ka3 { [%eval #7] [%clk 0:10:45] } 48. Qc4 { [%eval #7] [%clk 0:15:04] } 48... Kb2 { [%eval #8] [%clk 0:10:52] } 49. Qxa4 { [%eval #7] [%clk 0:15:12] } 49... Kb1 { [%eval #6] [%clk 0:11:00] } 50. Qb3+ { [%eval #6] [%clk 0:15:11] } 50... Ka1 { [%eval #6] [%clk 0:11:08] } 51. Qe3 { [%eval #6] [%clk 0:15:16] } 51... Kb2 { [%eval #6] [%clk 0:11:16] } 52. Kg5 { [%eval #6] [%clk 0:15:24] } 52... Kc2 { [%eval #6] [%clk 0:11:24] } 53. Kf5 { [%eval #6] [%clk 0:15:33] } 53... Kd1 { [%eval #5] [%clk 0:11:33] } 54. Ke4 { [%eval #5] [%clk 0:15:40] } 54... Kc2 { [%eval #5] [%clk 0:11:42] } 55. Kd4 { [%eval #4] [%clk 0:15:46] } 55... Kd1 { [%eval #3] [%clk 0:11:50] } 56. Qf2 { [%eval #2] [%clk 0:15:52] } 56... Kc1 { [%eval #2] [%clk 0:11:59] } 57. Kc3 { [%eval #1] [%clk 0:16:01] } 57... Kb1 { [%eval #1] [%clk 0:12:06] } 58. Qb2# { [%clk 0:16:09] } 1-0