Event: Round 5: Sierra Isaza, Jose Eduardo - Fernandez, Andres
Date: 2025-05-31
White: Sierra Isaza, Jose Eduardo
WhiteElo: 1675
Black: Fernandez, Andres
BlackElo: 1856
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:59] } 1... c5 { [%eval 0.25] [%clk 1:27:15] } 2. Nf3 { [%eval 0.2] [%clk 1:30:59] } 2... d6 { [%eval 0.31] [%clk 1:27:39] } 3. d4 { [%eval 0.22] [%clk 1:31:16] } 3... cxd4 { [%eval 0.19] [%clk 1:28:01] } 4. Nxd4 { [%eval 0.18] [%clk 1:31:22] } 4... Nf6 { [%eval 0.31] [%clk 1:28:28] } 5. Nc3 { [%eval 0.32] [%clk 1:31:44] } 5... a6 { [%eval 0.23] [%clk 1:28:55] } 6. Bd3 { [%eval 0.18] [%clk 1:31:42] } 6... e5 { [%eval 0.12] [%clk 1:27:49] } 7. Nde2 { [%eval 0.2] [%clk 1:31:05] } 7... Be6 { [%eval 0.23] [%clk 1:27:13] } 8. O-O { [%eval 0.31] [%clk 1:29:24] } 8... Be7 { [%eval 0.33] [%clk 1:27:13] } 9. Ng3 { [%eval 0.04] [%clk 1:28:59] } 9... O-O { [%eval 0.21] [%clk 1:25:36] } 10. h3 { [%eval -0.02] [%clk 1:28:13] } 10... Nbd7 { [%eval 0.21] [%clk 1:24:34] } 11. Nd5 { [%eval 0.06] [%clk 1:28:10] } 11... Bxd5 { [%eval 0.02] [%clk 1:24:47] } 12. exd5 { [%eval 0.0] [%clk 1:28:26] } 12... g6 { [%eval -0.02] [%clk 1:24:24] } 13. c4 { [%eval -0.02] [%clk 1:27:24] } 13... Re8 { [%eval 0.34] [%clk 1:23:37] } 14. Re1 { [%eval 0.33] [%clk 1:24:36] } 14... Bf8 { [%eval 0.52] [%clk 1:22:33] } 15. a3 { [%eval 0.58] [%clk 1:22:16] } 15... a5 { [%eval 0.58] [%clk 1:20:57] } 16. Be3?! { [%eval -0.01] } { Inaccuracy. b3 was best. } { [%clk 1:19:09] } 16... b6?! { [%eval 0.77] } { Inaccuracy. a4 was best. } { [%clk 1:18:29] } 17. Rc1 { [%eval 0.88] [%clk 1:17:03] } 17... Bg7 { [%eval 1.13] [%clk 1:17:16] } 18. Qd2? { [%eval -0.24] } { Mistake. Bc2 was best. } { [%clk 1:15:07] } 18... Nc5 { [%eval -0.22] [%clk 1:16:27] } 19. Bc2 { [%eval -0.26] [%clk 1:12:25] } 19... a4 { [%eval -0.33] [%clk 1:16:11] } 20. Bg5 { [%eval -0.53] [%clk 1:09:28] } 20... Qc7 { [%eval -0.42] [%clk 1:13:58] } 21. Bh6 { [%eval -0.56] [%clk 1:06:51] } 21... Nfd7 { [%eval -0.38] [%clk 1:10:58] } 22. Bxg7 { [%eval -0.35] [%clk 1:02:38] } 22... Kxg7 { [%eval -0.37] [%clk 1:11:20] } 23. Qg5 { [%eval -0.54] [%clk 1:01:41] } 23... Kh8 { [%eval -0.26] [%clk 1:10:25] } 24. h4 { [%eval -0.77] [%clk 0:57:12] } 24... Qd8 { [%eval -0.39] [%clk 1:09:04] } 25. Qxd8 { [%eval -0.41] [%clk 0:50:59] } 25... Rexd8 { [%eval -0.45] [%clk 1:08:12] } 26. Ne2 { [%eval -0.45] [%clk 0:48:50] } 26... Kg7 { [%eval -0.44] [%clk 1:03:48] } 27. Nc3 { [%eval -0.46] [%clk 0:45:46] } 27... f5 { [%eval -0.51] [%clk 0:57:00] } 28. f3 { [%eval -0.63] [%clk 0:41:17] } 28... f4 { [%eval -0.55] [%clk 0:46:34] } 29. Kf2?! { [%eval -1.16] } { Inaccuracy. h5 was best. } { [%clk 0:27:56] } 29... Nf6 { [%eval -1.22] [%clk 0:46:31] } 30. Rcd1 { [%eval -1.45] [%clk 0:22:48] } 30... Nh5 { [%eval -1.3] [%clk 0:44:51] } 31. Ne4 { [%eval -1.74] [%clk 0:22:35] } 31... Nxe4+ { [%eval -1.45] [%clk 0:44:39] } 32. Bxe4 { [%eval -1.35] [%clk 0:22:59] } 32... Ng3 { [%eval -1.35] [%clk 0:42:31] } 33. Rc1 { [%eval -1.71] [%clk 0:22:36] } 33... Rdc8 { [%eval -1.62] [%clk 0:40:10] } 34. Rc3 { [%eval -1.76] [%clk 0:19:12] } 34... Nf5?! { [%eval -0.73] } { Inaccuracy. Kh6 was best. } { [%clk 0:36:28] } 35. Bxf5 { [%eval -0.75] [%clk 0:18:03] } 35... gxf5 { [%eval -0.97] [%clk 0:36:54] } 36. g3?! { [%eval -1.78] } { Inaccuracy. b4 was best. } { [%clk 0:18:11] } 36... fxg3+ { [%eval -1.7] [%clk 0:37:19] } 37. Kxg3 { [%eval -1.63] [%clk 0:18:39] } 37... Kf6 { [%eval -1.58] [%clk 0:37:43] } 38. Rc2? { [%eval -3.48] } { Mistake. Kf2 was best. } { [%clk 0:18:19] } 38... Rc5 { [%eval -3.48] [%clk 0:36:51] } 39. Rc3 { [%eval -3.51] [%clk 0:18:01] } 39... Rg8+ { [%eval -3.29] [%clk 0:37:04] } 40. Kh2 { [%eval -3.63] [%clk 0:17:15] } 40... b5 { [%eval -3.9] [%clk 0:36:53] } 41. cxb5 { [%eval -3.86] [%clk 0:16:18] } 41... Rxb5 { [%eval -3.84] [%clk 0:37:04] } 42. Re2 { [%eval -3.97] [%clk 0:16:33] } 42... Rxd5 { [%eval -4.05] [%clk 0:37:23] } 43. Rc4 { [%eval -4.11] [%clk 0:16:36] } 43... Ra8 { [%eval -3.43] [%clk 0:35:44] } 44. Rc7 { [%eval -3.44] [%clk 0:16:48] } 44... h6 { [%eval -3.49] [%clk 0:34:36] } 45. Rg2 { [%eval -4.05] [%clk 0:16:25] } 45... Rd4 { [%eval -4.19] [%clk 0:34:31] } 46. Kh3 { [%eval -4.2] [%clk 0:16:14] } 46... Rf4 { [%eval -3.76] [%clk 0:34:43] } 47. h5?! { [%eval -5.36] } { Inaccuracy. Rc3 was best. } { [%clk 0:13:07] } 47... Rxf3+ { [%eval -5.15] [%clk 0:34:24] } 48. Kh2 { [%eval -5.41] [%clk 0:13:30] } 48... e4 { [%eval -5.32] [%clk 0:34:21] } 49. Rg6+ { [%eval -5.44] [%clk 0:13:06] } 49... Ke5 { [%eval -5.88] [%clk 0:34:45] } 50. Rxh6 { [%eval -6.12] [%clk 0:12:57] } 50... Rb8 { [%eval -5.87] [%clk 0:35:09] } 51. Rc2 { [%eval -5.9] [%clk 0:11:56] } 51... Rfb3 { [%eval -5.58] [%clk 0:35:02] } 0-1