Event: Round 4: Sanchez Burgos, Carlos Antonio - Sierra Castillo, Eyber
Site: https://lichess.org/broadcast/final-nacional-colombia-intercolegiados-clasico-2025--juvenil-masculino/round-4/mXCKRHbV/LICh78yd
Date: 2025-10-26
White: Sanchez Burgos, Carlos Antonio
WhiteElo: 1559
Black: Sierra Castillo, Eyber
BlackElo: 1655
Result: 1-0
ECO: B17
Opening: Caro-Kann Defense: Karpov Variation, Modern Variation, Kasparov Attack
Variant: Standard
TimeControl: 60+30

1. e4 { [%eval 0.18] [%clk 1:00:41] } 1... c6 { [%eval 0.23] [%clk 1:00:29] } 2. d4 { [%eval 0.24] [%clk 0:59:40] } 2... d5 { [%eval 0.24] [%clk 1:00:51] } 3. Nc3 { [%eval 0.22] [%clk 0:59:33] } 3... dxe4 { [%eval 0.18] [%clk 1:01:12] } 4. Nxe4 { [%eval 0.28] [%clk 0:59:31] } 4... Nf6 { [%eval 0.31] [%clk 1:01:35] } 5. Ng3 { [%eval 0.0] [%clk 0:58:39] } 5... Nbd7 { [%eval 0.28] [%clk 1:00:46] } 6. Nf3 { [%eval 0.07] [%clk 0:57:39] } 6... e6 { [%eval 0.2] [%clk 1:00:40] } 7. Bd3 { [%eval 0.01] [%clk 0:56:06] } 7... Bd6 { [%eval 0.42] [%clk 1:00:38] } 8. O-O { [%eval 0.55] [%clk 0:54:46] } 8... b6 { [%eval 0.76] [%clk 1:00:23] } 9. Re1 { [%eval 0.9] [%clk 0:54:43] } 9... Qc7 { [%eval 1.09] [%clk 1:00:12] } 10. Nf5 { [%eval 1.31] [%clk 0:50:42] } 10... O-O { [%eval 1.42] [%clk 0:58:07] } 11. Nxd6 { [%eval 1.38] [%clk 0:50:42] } 11... Qxd6 { [%eval 1.35] [%clk 0:58:30] } 12. Ne5 { [%eval 1.15] [%clk 0:49:44] } 12... Bb7 { [%eval 1.29] [%clk 0:58:01] } 13. Bf4 { [%eval 1.05] [%clk 0:44:57] } 13... Qe7? { [%eval 2.26] } { Mistake. Rfe8 was best. } { [%clk 0:57:22] } 14. Qf3 { [%eval 1.83] [%clk 0:44:18] } 14... Nd5 { [%eval 1.77] [%clk 0:55:35] } 15. Bxh7+?? { [%eval -2.68] } { Blunder. Qh3 was best. } { [%clk 0:38:57] } 15... Kxh7 { [%eval -2.43] [%clk 0:52:27] } 16. Qh5+ { [%eval -3.09] [%clk 0:39:17] } 16... Kg8 { [%eval -3.09] [%clk 0:52:49] } 17. Bg5 { [%eval -2.93] [%clk 0:39:19] } 17... N5f6?? { [%eval 0.15] } { Blunder. Qe8 was best. } { [%clk 0:48:20] } 18. Qh4 { [%eval 0.0] [%clk 0:39:37] } 18... Rfd8 { [%eval 0.0] [%clk 0:47:17] } 19. Re3 { [%eval 0.0] [%clk 0:39:57] } 19... Nf8 { [%eval 0.0] [%clk 0:47:13] } 20. Rf3 { [%eval 0.0] [%clk 0:36:16] } 20... N8h7?? { [%eval 3.89] } { Blunder. Ng6 was best. } { [%clk 0:39:15] } 21. Rh3?? { [%eval -1.35] } { Blunder. Bxf6 was best. } { [%clk 0:29:18] } 21... Kf8?? { [%eval 0.6] } { Blunder. Rxd4 was best. } { [%clk 0:39:26] } 22. Qxh7 { [%eval 0.59] [%clk 0:29:38] } 22... Nxh7 { [%eval 0.51] [%clk 0:39:22] } 23. Bxe7+ { [%eval 0.55] [%clk 0:30:02] } 23... Kxe7 { [%eval 0.51] [%clk 0:39:45] } 24. Rxh7 { [%eval 0.63] [%clk 0:30:03] } 24... Rxd4? { [%eval 2.32] } { Mistake. Kf8 was best. } { [%clk 0:39:33] } 25. Nf3?? { [%eval -0.06] } { Blunder. Rxg7 was best. } { [%clk 0:29:42] } 25... Rb4 { [%eval -0.08] [%clk 0:33:09] } 26. b3 { [%eval -0.02] [%clk 0:18:17] } 26... Rg8 { [%eval 0.04] [%clk 0:32:47] } 27. Rd1 { [%eval -0.28] [%clk 0:17:37] } 27... Re4 { [%eval -0.16] [%clk 0:31:32] } 28. Rh3 { [%eval -0.59] [%clk 0:10:30] } 28... c5 { [%eval -0.74] [%clk 0:30:51] } 29. c4 { [%eval -0.72] [%clk 0:07:46] } 29... Re2 { [%eval -0.84] [%clk 0:29:39] } 30. Kf1 { [%eval -1.17] [%clk 0:03:45] } 30... Bxf3 { [%eval -1.39] [%clk 0:28:56] } 31. Rxf3 { [%eval -1.48] [%clk 0:04:04] } 31... Rxa2 { [%eval -1.44] [%clk 0:29:18] } 32. Rfd3 { [%eval -1.33] [%clk 0:04:31] } 32... Rb2? { [%eval 0.0] } { Mistake. Rh8 was best. } { [%clk 0:28:53] } 33. Rd7+ { [%eval 0.0] [%clk 0:04:05] } 33... Kf6 { [%eval 0.0] [%clk 0:29:14] } 34. R1d3 { [%eval 0.0] [%clk 0:04:25] } 34... Rf8 { [%eval 0.0] [%clk 0:20:35] } 35. Rxa7 { [%eval 0.0] [%clk 0:03:09] } 35... Rb1+ { [%eval 0.0] [%clk 0:20:57] } 36. Ke2 { [%eval 0.0] [%clk 0:03:13] } 36... Rb2+ { [%eval 0.0] [%clk 0:18:58] } 37. Kf3 { [%eval 0.0] [%clk 0:02:57] } 37... g5 { [%eval 0.0] [%clk 0:18:32] } 38. g4 { [%eval 0.16] [%clk 0:02:13] } 38... Rb8 { [%eval 0.09] [%clk 0:17:43] } 39. Kg3 { [%eval 0.1] [%clk 0:02:30] } 39... b5?? { [%eval 1.81] } { Blunder. Kg6 was best. } { [%clk 0:18:06] } 40. Rf3+ { [%eval 2.04] [%clk 0:02:22] } 40... Ke5 { [%eval 2.16] [%clk 0:17:38] } 41. Re3+ { [%eval 2.05] [%clk 0:02:10] } 41... Kf6 { [%eval 2.08] [%clk 0:17:50] } 42. Rf3+ { [%eval 2.14] [%clk 0:02:05] } 42... Ke5 { [%eval 1.59] [%clk 0:16:04] } 43. Re3+? { [%eval 0.0] } { Mistake. Raxf7 was best. } { [%clk 0:02:12] } 43... Kf6 { [%eval 0.0] [%clk 0:16:29] } 44. Rc7 { [%eval 0.0] [%clk 0:02:09] } 44... bxc4 { [%eval 0.0] [%clk 0:16:36] } 45. bxc4 { [%eval 0.0] [%clk 0:02:29] } 45... R2b4?? { [%eval 3.81] } { Blunder. R8b3 was best. } { [%clk 0:14:40] } 46. Rf3+ { [%eval 3.42] [%clk 0:02:29] } 46... Kg6? { [%eval 5.42] } { Mistake. Ke5 was best. } { [%clk 0:13:36] } 47. Rcxf7 { [%eval 5.26] [%clk 0:02:51] } 47... Rb3 { [%eval 5.26] [%clk 0:13:59] } 48. Rc7 { [%eval 4.23] [%clk 0:02:56] } 48... Rxf3+ { [%eval 4.95] [%clk 0:13:53] } 49. Kxf3 { [%eval 4.79] [%clk 0:03:19] } 49... Rb3+ { [%eval 4.6] [%clk 0:14:19] } 50. Kg2 { [%eval 5.07] [%clk 0:03:41] } 50... Kf6 { [%eval 5.01] [%clk 0:14:20] } 51. Rxc5 { [%eval 5.03] [%clk 0:04:02] } 51... Rd3 { [%eval 4.96] [%clk 0:14:41] } 52. h3 { [%eval 4.89] [%clk 0:03:39] } 52... Rd6 { [%eval 5.23] [%clk 0:14:50] } 53. Rb5 { [%eval 4.56] [%clk 0:03:09] } 53... e5 { [%eval 5.43] [%clk 0:15:12] } 54. Rb3 { [%eval 5.37] [%clk 0:02:39] } 54... e4 { [%eval 5.79] [%clk 0:15:13] } 55. c5 { [%eval 5.6] [%clk 0:02:36] } 55... Rc6? { [%eval 81.63] } { Mistake. Rd8 was best. } { [%clk 0:15:32] } 56. Rb6 { [%eval 9.4] [%clk 0:03:02] } 56... Rxb6? { [%eval #15] } { Checkmate is now unavoidable. Re6 was best. } { [%clk 0:15:47] } 57. cxb6 { [%eval #14] [%clk 0:03:24] } 1-0