Event: Round 4: Oscar Humberto Ardila - Juan Pablo Sierra Mejia
Date: 2023-08-05
White: Oscar Humberto Ardila
Black: Juan Pablo Sierra Mejia
Result: 0-1
ECO: D52
Opening: Queen's Gambit Declined: Cambridge Springs Defense, Bogoljubow Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:20:43] } 1... d5 { [%eval 0.27] [%clk 1:26:31] } 2. c4 { [%eval 0.29] [%clk 1:21:09] } 2... e6 { [%eval 0.3] [%clk 1:26:48] } 3. Nc3 { [%eval 0.39] [%clk 1:21:35] } 3... Nf6 { [%eval 0.43] [%clk 1:25:58] } 4. Bg5 { [%eval -0.09] [%clk 1:22:00] } 4... Nbd7 { [%eval 0.44] [%clk 1:24:33] } 5. e3 { [%eval 0.23] [%clk 1:22:21] } 5... c6 { [%eval 0.41] [%clk 1:24:46] } 6. Nf3 { [%eval 0.12] [%clk 1:22:45] } 6... Qa5 { [%eval 0.22] [%clk 1:24:50] } 7. Nd2 { [%eval 0.18] [%clk 1:17:45] } 7... Bb4 { [%eval 0.25] [%clk 1:22:59] } 8. Qc2 { [%eval 0.32] [%clk 1:16:01] } 8... O-O { [%eval 0.27] [%clk 1:21:34] } 9. Bxf6 { [%eval 0.14] [%clk 1:10:26] } 9... Nxf6 { [%eval 0.01] [%clk 1:19:41] } 10. Bd3 { [%eval -0.07] [%clk 1:06:50] } 10... c5 { [%eval -0.12] [%clk 1:13:07] } 11. O-O { [%eval -0.08] [%clk 1:00:07] } 11... cxd4 { [%eval 0.0] [%clk 1:08:08] } 12. Nb3?! { [%eval -0.62] } { Inaccuracy. exd4 was best. } { [%clk 0:58:35] } 12... Qd8 { [%eval -0.34] [%clk 1:07:34] } 13. Nxd4 { [%eval -0.34] [%clk 0:58:05] } 13... e5 { [%eval -0.03] [%clk 1:06:26] } 14. Nb3 { [%eval -0.2] [%clk 0:58:20] } 14... e4?! { [%eval 0.4] } { Inaccuracy. dxc4 was best. } { [%clk 1:04:47] } 15. Be2 { [%eval 0.27] [%clk 0:55:29] } 15... dxc4 { [%eval 0.27] [%clk 1:03:16] } 16. Nd4 { [%eval -0.2] [%clk 0:54:01] } 16... Qe7 { [%eval -0.14] [%clk 0:57:46] } 17. Rfd1 { [%eval -0.39] [%clk 0:47:08] } 17... Bd7 { [%eval -0.28] [%clk 0:52:53] } 18. Bxc4 { [%eval -0.18] [%clk 0:45:39] } 18... Rac8 { [%eval -0.04] [%clk 0:52:47] } 19. Qb3 { [%eval -0.03] [%clk 0:39:38] } 19... Bxc3 { [%eval -0.07] [%clk 0:47:06] } 20. bxc3 { [%eval -0.08] [%clk 0:39:46] } 20... b6 { [%eval -0.1] [%clk 0:46:33] } 21. Ba6 { [%eval -0.36] [%clk 0:35:49] } 21... Rc5 { [%eval -0.39] [%clk 0:44:14] } 22. Be2 { [%eval -0.36] [%clk 0:21:50] } 22... Rg5 { [%eval -0.44] [%clk 0:38:41] } 23. g3 { [%eval -0.84] [%clk 0:19:48] } 23... h5 { [%eval -0.66] [%clk 0:34:47] } 24. h4 { [%eval -0.81] [%clk 0:16:30] } 24... Rg6 { [%eval -0.45] [%clk 0:34:04] } 25. Kf1 { [%eval -0.91] [%clk 0:12:00] } 25... Qe5 { [%eval -0.7] [%clk 0:30:27] } 26. Ke1 { [%eval -1.21] [%clk 0:11:03] } 26... Rc8 { [%eval -0.87] [%clk 0:29:19] } 27. a4 { [%eval -1.13] [%clk 0:09:21] } 27... Bg4?! { [%eval -0.56] } { Inaccuracy. Ng4 was best. } { [%clk 0:25:31] } 28. a5 { [%eval -0.75] [%clk 0:08:10] } 28... bxa5 { [%eval -0.53] [%clk 0:19:50] } 29. Qa3 { [%eval -0.92] [%clk 0:03:43] } 29... Rc5 { [%eval -0.44] [%clk 0:17:49] } 30. c4 { [%eval -0.95] [%clk 0:02:29] } 30... Bxe2 { [%eval -0.96] [%clk 0:16:52] } 31. Nxe2 { [%eval -0.95] [%clk 0:02:58] } 31... Ng4 { [%eval -1.04] [%clk 0:16:31] } 32. Nf4 { [%eval -0.99] [%clk 0:02:53] } 32... Rb6 { [%eval -0.98] [%clk 0:12:02] } 33. Nd5? { [%eval -2.33] } { Mistake. Rd8+ was best. } { [%clk 0:01:23] } 33... Qb2?! { [%eval -1.63] } { Inaccuracy. Rxd5 was best. } { [%clk 0:06:37] } 34. Qxb2 { [%eval -1.85] [%clk 0:01:04] } 34... Rxb2 { [%eval -1.9] [%clk 0:07:04] } 35. Rd2 { [%eval -2.18] [%clk 0:01:32] } 35... Rxd2 { [%eval -2.26] [%clk 0:07:16] } 36. Kxd2 { [%eval -2.29] [%clk 0:01:59] } 36... Ne5 { [%eval -2.29] [%clk 0:07:06] } 37. Kc3?! { [%eval -3.13] } { Inaccuracy. Nc3 was best. } { [%clk 0:00:51] } 37... Rxc4+ { [%eval -3.02] [%clk 0:07:25] } 38. Kb3 { [%eval -3.72] [%clk 0:01:21] } 38... Rc5?! { [%eval -2.42] } { Inaccuracy. a4+ was best. } { [%clk 0:07:35] } 39. Nc3 { [%eval -2.65] [%clk 0:01:13] } 39... f5 { [%eval -2.5] [%clk 0:07:35] } 40. Na4 { [%eval -2.53] [%clk 0:00:51] } 40... Rb5+ { [%eval -2.48] [%clk 0:05:50] } 41. Kc3 { [%eval -2.56] [%clk 0:01:17] } 41... Rd5 { [%eval -2.5] [%clk 0:05:23] } 42. Rb1 { [%eval -2.7] [%clk 0:01:33] } 42... Ng4 { [%eval -2.64] [%clk 0:05:19] } 43. Rb8+ { [%eval -2.35] [%clk 0:01:26] } 43... Kh7 { [%eval -2.5] [%clk 0:05:42] } 44. Rb2 { [%eval -2.69] [%clk 0:01:15] } 44... Ne5 { [%eval -2.67] [%clk 0:04:50] } 45. Rb7 { [%eval -2.97] [%clk 0:01:34] } 45... Nd3? { [%eval -1.64] } { Mistake. a6 was best. } { [%clk 0:05:05] } 46. Rxa7?? { [%eval -3.93] } { Blunder. Kc4 was best. } { [%clk 0:01:30] } 46... Nxf2 { [%eval -3.37] [%clk 0:05:19] } 47. Kc4 { [%eval -3.52] [%clk 0:01:59] } 47... Rd3 { [%eval -3.8] [%clk 0:04:21] } 48. Rxa5 { [%eval -3.74] [%clk 0:02:20] } 48... Nd1 { [%eval -3.71] [%clk 0:04:34] } 49. Nc5 { [%eval -3.9] [%clk 0:02:27] } 49... Nxe3+ { [%eval -4.43] [%clk 0:04:45] } 50. Kb4 { [%eval -4.1] [%clk 0:02:15] } 50... Nc2+ { [%eval -4.0] [%clk 0:04:47] } 51. Kc4 { [%eval -3.97] [%clk 0:02:41] } 51... Rxg3 { [%eval -4.33] [%clk 0:04:43] } 52. Ne6 { [%eval -4.46] [%clk 0:03:05] } 52... e3 { [%eval -4.68] [%clk 0:03:43] } 53. Kd3 { [%eval -5.9] } 53... e2+ { [%eval -5.45] [%clk 0:04:08] } 54. Kxe2 { [%eval -5.13] [%clk 0:01:51] } 54... Re3+ { [%eval -5.71] [%clk 0:04:57] } 55. Kd2 { [%eval -5.19] [%clk 0:02:20] } 55... Rxe6 { [%eval -5.28] [%clk 0:05:22] } 56. Kxc2 { [%eval -6.37] [%clk 0:02:49] } 56... g6 { [%eval -5.97] [%clk 0:05:40] } 57. Kd3 { [%eval -6.87] [%clk 0:03:11] } 57... Re4 { [%eval -6.91] [%clk 0:06:02] } 58. Ra7+ { [%eval -6.96] [%clk 0:03:38] } 58... Kh6 { [%eval -6.93] [%clk 0:06:26] } 0-1