Event: Round 1: Sierra Castillo, Eyber - Bolanos Lopez, Juan Jacobo
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-clasico-2025--juvenil-masculino/round-1/9lqC8zdx/ST3aMFUQ
Date: 2025-10-24
White: Sierra Castillo, Eyber
WhiteElo: 1655
Black: Bolanos Lopez, Juan Jacobo
BlackTitle: CM
BlackElo: 2082
Result: 0-1
ECO: B43
Opening: Sicilian Defense: Kan Variation, Knight Variation
Variant: Standard
TimeControl: 60+30

1. e4 { [%eval 0.18] [%clk 1:00:56] } 1... c5 { [%eval 0.24] [%clk 1:00:45] } 2. Nf3 { [%eval 0.2] [%clk 1:00:45] } 2... e6 { [%eval 0.28] [%clk 1:01:12] } 3. d4 { [%eval 0.4] [%clk 1:00:44] } 3... cxd4 { [%eval 0.29] [%clk 1:01:32] } 4. Nxd4 { [%eval 0.34] [%clk 1:01:00] } 4... a6 { [%eval 0.42] [%clk 1:01:59] } 5. Nc3 { [%eval 0.35] [%clk 1:00:46] } 5... Qc7 { [%eval 0.39] [%clk 1:02:25] } 6. a3 { [%eval 0.1] [%clk 0:59:57] } 6... Nf6 { [%eval 0.4] [%clk 1:02:49] } 7. Be3 { [%eval -0.09] [%clk 0:59:10] } 7... b5 { [%eval 0.0] [%clk 1:01:03] } 8. Bd3 { [%eval -0.11] [%clk 0:56:20] } 8... Bb7 { [%eval -0.09] [%clk 1:01:25] } 9. f3 { [%eval -0.25] [%clk 0:55:01] } 9... d5 { [%eval -0.18] [%clk 1:00:43] } 10. exd5 { [%eval -0.25] [%clk 0:49:38] } 10... Nxd5 { [%eval -0.13] [%clk 1:00:42] } 11. Nxd5 { [%eval -0.1] [%clk 0:49:25] } 11... Bxd5 { [%eval -0.17] [%clk 1:01:08] } 12. Qe2 { [%eval -0.39] [%clk 0:38:00] } 12... Be7 { [%eval -0.22] [%clk 0:59:00] } 13. O-O { [%eval -0.26] [%clk 0:37:08] } 13... O-O { [%eval -0.03] [%clk 0:55:00] } 14. c3 { [%eval -0.53] [%clk 0:36:25] } 14... Nd7 { [%eval -0.55] [%clk 0:54:22] } 15. Rfe1 { [%eval -0.74] [%clk 0:35:21] } 15... Bd6 { [%eval -0.66] [%clk 0:53:31] } 16. g3 { [%eval -0.79] [%clk 0:31:55] } 16... h5 { [%eval -0.28] [%clk 0:43:12] } 17. Be4 { [%eval -0.36] [%clk 0:21:11] } 17... Bc4 { [%eval 0.02] [%clk 0:42:26] } 18. Qf2 { [%eval -0.17] [%clk 0:20:04] } 18... Rae8 { [%eval -0.08] [%clk 0:37:50] } 19. Rad1 { [%eval -0.36] [%clk 0:15:40] } 19... f5 { [%eval -0.4] [%clk 0:27:54] } 20. Bb1 { [%eval -0.5] [%clk 0:13:55] } 20... f4? { [%eval 0.87] } { Mistake. Nf6 was best. } { [%clk 0:26:36] } 21. gxf4 { [%eval 0.93] [%clk 0:13:52] } 21... Bxf4 { [%eval 0.78] [%clk 0:27:02] } 22. Bxf4 { [%eval 0.45] [%clk 0:09:45] } 22... Qxf4 { [%eval 0.54] [%clk 0:26:59] } 23. Qg3 { [%eval 0.5] [%clk 0:09:05] } 23... Nc5?? { [%eval 2.49] } { Blunder. Qxg3+ was best. } { [%clk 0:17:47] } 24. Qg6 { [%eval 2.23] [%clk 0:07:40] } 24... Qh6 { [%eval 2.52] [%clk 0:18:16] } 25. Qxh6?! { [%eval 1.45] } { Inaccuracy. Nc6 was best. } { [%clk 0:07:45] } 25... gxh6 { [%eval 1.28] [%clk 0:18:43] } 26. Bg6?! { [%eval 0.42] } { Inaccuracy. Kf2 was best. } { [%clk 0:07:10] } 26... Re7 { [%eval 0.78] [%clk 0:19:01] } 27. Be4?! { [%eval 0.09] } { Inaccuracy. Kf2 was best. } { [%clk 0:04:19] } 27... Rf4 { [%eval 0.14] [%clk 0:16:38] } 28. Rd2 { [%eval 0.1] [%clk 0:04:13] } 28... Rg7+ { [%eval 0.06] [%clk 0:16:37] } 29. Rg2 { [%eval 0.12] [%clk 0:04:16] } 29... Kf7 { [%eval 0.5] [%clk 0:14:53] } 30. Rxg7+ { [%eval 0.3] [%clk 0:04:36] } 30... Kxg7 { [%eval 0.35] [%clk 0:15:19] } 31. Kg2 { [%eval 0.18] [%clk 0:04:33] } 31... Rf8 { [%eval 0.21] [%clk 0:14:00] } 32. h4 { [%eval 0.06] [%clk 0:03:54] } 32... Rd8 { [%eval 0.02] [%clk 0:13:30] } 33. Kf2 { [%eval 0.0] [%clk 0:03:26] } 33... Kf6 { [%eval 0.0] [%clk 0:13:16] } 34. Rg1? { [%eval -1.51] } { Mistake. b4 was best. } { [%clk 0:03:32] } 34... e5 { [%eval -1.57] [%clk 0:13:26] } 35. Rg6+?! { [%eval -2.77] } { Inaccuracy. Nc6 was best. } { [%clk 0:02:54] } 35... Kf7 { [%eval -2.68] [%clk 0:13:51] } 36. Nc6?? { [%eval -5.6] } { Blunder. Rxh6 was best. } { [%clk 0:02:12] } 36... Nxe4+ { [%eval -5.71] [%clk 0:14:15] } 37. fxe4 { [%eval -5.72] [%clk 0:02:05] } 37... Rd2+ { [%eval -5.79] [%clk 0:14:39] } 38. Ke3 { [%eval -6.16] [%clk 0:02:20] } 38... Rd3+ { [%eval -6.0] [%clk 0:14:13] } 39. Kf2 { [%eval -6.11] [%clk 0:02:36] } 39... Kxg6 { [%eval -6.15] [%clk 0:14:09] } 40. Nxe5+ { [%eval -6.3] [%clk 0:03:01] } 40... Kf6 { [%eval -6.51] [%clk 0:14:35] } 41. Nxd3 { [%eval -6.87] [%clk 0:03:18] } 41... Bxd3 { [%eval -6.72] [%clk 0:15:01] } 42. Ke3 { [%eval -6.68] [%clk 0:03:38] } 42... Bc2 { [%eval -6.29] [%clk 0:15:28] } 43. Kd4 { [%eval -6.38] [%clk 0:03:26] } 43... Bb3 { [%eval -6.08] [%clk 0:12:25] } 44. Ke3?! { [%eval -8.69] } { Inaccuracy. Kc5 was best. } { [%clk 0:01:37] } 44... Ke5 { [%eval -8.48] [%clk 0:12:50] } 45. Kf3 { [%eval -8.43] [%clk 0:02:01] } 45... a5 { [%eval -8.64] [%clk 0:13:14] } 46. Ke3? { [%eval #-36] } { Checkmate is now unavoidable. a4 was best. } { [%clk 0:02:17] } 46... a4 { [%eval -12.04] [%clk 0:13:41] } 47. Kd3 { [%eval -11.08] [%clk 0:02:25] } 47... Ba2 { [%eval -9.85] [%clk 0:14:07] } 48. Ke3 { [%eval -10.09] [%clk 0:01:55] } 48... Bb1 { [%eval -9.3] [%clk 0:14:31] } 49. Kf3 { [%eval -15.12] [%clk 0:02:15] } 49... Bxe4+ { [%eval -11.99] [%clk 0:14:56] } 50. Ke3 { [%eval -10.4] [%clk 0:02:42] } 50... Bd5 { [%eval #-21] [%clk 0:15:20] } 51. Kd3 { [%eval #-20] [%clk 0:02:59] } 51... Kf4 { [%eval #-19] [%clk 0:15:45] } 52. Kd4 { [%eval #-16] [%clk 0:03:26] } 52... Bc4 { [%eval -17.47] [%clk 0:16:10] } 0-1