Event: Round 6: Alonso Orta, Osiel Alberto - Yan, Nathan
Date: 2025-07-31
White: Alonso Orta, Osiel Alberto
WhiteTitle: FM
WhiteElo: 2280
Black: Yan, Nathan
BlackTitle: FM
BlackElo: 2178
Result: 1/2-1/2
ECO: C60
Opening: Ruy Lopez: Fianchetto Defense
Variant: Standard
TimeControl: 90+30

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... e5 { [%eval 0.22] [%clk 1:27:56] } 2. Nf3 { [%eval 0.13] [%clk 1:31:18] } 2... Nc6 { [%eval 0.21] [%clk 1:28:11] } 3. Bb5 { [%eval 0.15] [%clk 1:31:42] } 3... g6 { [%eval 0.44] [%clk 1:27:26] } 4. c3 { [%eval 0.34] [%clk 1:30:20] } 4... Bg7 { [%eval 0.5] [%clk 1:27:28] } 5. O-O { [%eval 0.37] [%clk 1:29:55] } 5... Nge7 { [%eval 0.38] [%clk 1:27:24] } 6. d4 { [%eval 0.46] [%clk 1:30:05] } 6... a6 { [%eval 0.37] [%clk 1:27:46] } 7. Ba4 { [%eval 0.45] [%clk 1:29:33] } 7... b5 { [%eval 0.39] [%clk 1:27:58] } 8. Bb3 { [%eval 0.5] [%clk 1:29:45] } 8... exd4 { [%eval 0.48] [%clk 1:28:13] } 9. cxd4 { [%eval 0.52] [%clk 1:30:04] } 9... O-O { [%eval 0.43] [%clk 1:28:32] } 10. Nc3 { [%eval 0.41] [%clk 1:28:11] } 10... d6 { [%eval 0.41] [%clk 1:27:20] } 11. h3 { [%eval 0.45] [%clk 1:26:23] } 11... Na5 { [%eval 0.4] [%clk 1:26:40] } 12. Bc2 { [%eval 0.37] [%clk 1:26:16] } 12... c5 { [%eval 0.32] [%clk 1:26:47] } 13. dxc5 { [%eval 0.0] [%clk 1:13:36] } 13... dxc5 { [%eval 0.07] [%clk 1:25:21] } 14. Be3 { [%eval 0.0] [%clk 1:04:51] } 14... Qc7 { [%eval 0.2] [%clk 1:22:24] } 15. Qc1 { [%eval 0.17] [%clk 1:02:17] } 15... Be6 { [%eval 0.2] [%clk 1:18:25] } 16. Bh6 { [%eval -0.07] [%clk 0:57:42] } 16... Rfd8 { [%eval 0.19] [%clk 1:14:36] } 17. Bxg7 { [%eval 0.19] [%clk 0:56:39] } 17... Kxg7 { [%eval 0.18] [%clk 1:15:03] } 18. e5 { [%eval 0.21] [%clk 0:52:49] } 18... Nf5 { [%eval 0.27] [%clk 0:59:20] } 19. Qf4 { [%eval 0.11] [%clk 0:51:20] } 19... Qe7 { [%eval 0.56] [%clk 0:57:23] } 20. Rad1 { [%eval 0.33] [%clk 0:26:26] } 20... Nc6?? { [%eval 2.42] } { Blunder. Nd4 was best. } { [%clk 0:52:43] } 21. Be4 { [%eval 1.98] [%clk 0:25:51] } 21... Rxd1 { [%eval 2.47] [%clk 0:49:45] } 22. Rxd1 { [%eval 2.79] [%clk 0:26:17] } 22... Rc8 { [%eval 2.69] [%clk 0:50:09] } 23. Bxf5 { [%eval 2.66] [%clk 0:23:34] } 23... Bxf5 { [%eval 2.64] [%clk 0:48:08] } 24. Nd5 { [%eval 2.55] [%clk 0:22:48] } 24... Qe8 { [%eval 2.83] [%clk 0:44:39] } 25. Nf6 { [%eval 3.21] [%clk 0:17:54] } 25... Qe7 { [%eval 3.41] [%clk 0:43:02] } 26. Rd6 { [%eval 3.2] [%clk 0:16:22] } 26... h6 { [%eval 3.9] [%clk 0:39:03] } 27. Nd5 { [%eval 3.9] [%clk 0:16:06] } 27... Qe8 { [%eval 3.93] [%clk 0:38:45] } 28. g4 { [%eval 3.89] [%clk 0:16:06] } 28... Be6 { [%eval 3.72] [%clk 0:38:59] } 29. Qf6+ { [%eval 3.5] [%clk 0:15:25] } 29... Kh7 { [%eval 4.01] [%clk 0:37:56] } 30. Nf4 { [%eval 3.9] [%clk 0:15:53] } 30... Bxa2 { [%eval 3.66] [%clk 0:35:56] } 31. e6?? { [%eval 0.15] } { Blunder. g5 was best. } { [%clk 0:11:09] } 31... Qe7 { [%eval 0.2] [%clk 0:34:29] } 32. exf7 { [%eval 0.19] [%clk 0:11:35] } 32... Qxf6?! { [%eval 1.1] } { Inaccuracy. Qxf7 was best. } { [%clk 0:34:29] } 33. Rxf6 { [%eval 1.08] [%clk 0:12:03] } 33... Kg7?? { [%eval 3.56] } { Blunder. Rf8 was best. } { [%clk 0:34:32] } 34. Rxg6+ { [%eval 3.57] [%clk 0:12:27] } 34... Kxf7 { [%eval 3.21] [%clk 0:32:10] } 35. Rxh6?! { [%eval 2.28] } { Inaccuracy. Rxc6 was best. } { [%clk 0:08:57] } 35... Ke7 { [%eval 2.23] [%clk 0:29:48] } 36. g5?! { [%eval 1.05] } { Inaccuracy. Nh4 was best. } { [%clk 0:07:35] } 36... a5 { [%eval 1.05] [%clk 0:29:39] } 37. Ng6+ { [%eval 1.21] [%clk 0:05:27] } 37... Kf7? { [%eval 2.64] } { Mistake. Kd6 was best. } { [%clk 0:29:05] } 38. Nge5+ { [%eval 2.81] [%clk 0:05:46] } 38... Nxe5 { [%eval 2.45] [%clk 0:29:33] } 39. Nxe5+ { [%eval 2.48] [%clk 0:06:15] } 39... Kg7?! { [%eval 3.88] } { Inaccuracy. Ke7 was best. } { [%clk 0:29:27] } 40. Ra6 { [%eval 3.95] [%clk 0:05:43] } 40... a4?! { [%eval 4.99] } { Inaccuracy. b4 was best. } { [%clk 0:28:17] } 41. Ra7+ { [%eval 4.84] [%clk 0:06:12] } 41... Kg8 { [%eval 4.25] [%clk 0:28:02] } 42. g6?? { [%eval 0.22] } { Blunder. h4 was best. } { [%clk 0:05:00] } 42... Bd5? { [%eval 1.73] } { Mistake. Be6 was best. } { [%clk 0:24:25] } 43. h4?? { [%eval 0.0] } { Blunder. Ng4 was best. } { [%clk 0:03:46] } 43... Ra8 { [%eval 0.03] [%clk 0:24:13] } 44. Rc7 { [%eval 0.13] [%clk 0:01:58] } 44... b4 { [%eval 0.08] [%clk 0:23:50] } 45. Rxc5 { [%eval 0.0] [%clk 0:01:13] } 45... Be6 { [%eval -0.01] [%clk 0:22:10] } 46. Rc1 { [%eval 0.0] [%clk 0:00:37] } 46... a3 { [%eval -0.35] [%clk 0:18:28] } 47. bxa3?? { [%eval -3.05] } { Blunder. b3 was best. } { [%clk 0:00:37] } 47... bxa3 { [%eval -3.14] [%clk 0:18:55] } 48. Ra1 { [%eval -3.26] [%clk 0:00:35] } 48... a2 { [%eval -3.14] [%clk 0:19:24] } 49. Nc6 { [%eval -2.68] [%clk 0:01:04] } 49... Ra6?? { [%eval 0.0] } { Blunder. Ra4 was best. } { [%clk 0:17:39] } 50. Nb4 { [%eval -0.1] [%clk 0:01:26] } 50... Ra4 { [%eval -0.11] [%clk 0:17:52] } 51. Nxa2 { [%eval -0.12] [%clk 0:01:37] } 51... Bxa2 { [%eval 0.0] [%clk 0:18:14] } 52. h5 { [%eval -0.13] [%clk 0:01:48] } 52... Rg4+ { [%eval -0.06] [%clk 0:18:23] } 53. Kh2 { [%eval -0.09] [%clk 0:01:57] } 53... Rh4+ { [%eval 0.0] [%clk 0:17:57] } 54. Kg3 { [%eval 0.0] [%clk 0:02:26] } 54... Rxh5 { [%eval 0.0] [%clk 0:18:16] } 55. Rxa2 { [%eval 0.0] [%clk 0:02:15] } 55... Rg5+ { [%eval 0.0] [%clk 0:18:44] } 56. Kf4 { [%eval 0.0] [%clk 0:02:44] } 56... Rxg6 { [%eval 0.0] [%clk 0:19:13] } 57. Ra5 { [%eval 0.0] [%clk 0:03:13] } 57... Rb6 { [%eval 0.0] [%clk 0:18:38] } 58. Kg5 { [%eval 0.0] [%clk 0:03:36] } 58... Kf7 { [%eval 0.0] [%clk 0:18:49] } 59. Ra7+ { [%eval 0.0] [%clk 0:03:30] } 59... Kf8 { [%eval 0.0] [%clk 0:19:13] } 60. Ra5 { [%eval 0.0] [%clk 0:02:20] } 60... Kf7 { [%eval 0.0] [%clk 0:19:35] } 61. f3 { [%eval 0.0] [%clk 0:02:41] } 61... Rc6 { [%eval 0.0] [%clk 0:19:54] } 62. Ra7+ { [%eval 0.0] [%clk 0:02:03] } 62... Kf8 { [%eval 0.0] [%clk 0:20:22] } 63. Rd7 { [%eval 0.0] [%clk 0:01:12] } 63... Ke8 { [%eval 0.0] [%clk 0:18:40] } 64. Rd5 { [%eval 0.0] [%clk 0:01:13] } 64... Kf7 { [%eval 0.0] [%clk 0:18:38] } 65. Kf4 { [%eval 0.0] [%clk 0:01:37] } 65... Rf6+ { [%eval 0.0] [%clk 0:18:05] } 66. Ke4 { [%eval 0.0] [%clk 0:01:36] } 66... Re6+ { [%eval 0.0] [%clk 0:18:32] } 1/2-1/2