Event: Round 4: Xu, Daniel - Sambuev, Bator
Date: 2024-07-15
White: Xu, Daniel
WhiteTitle: FM
WhiteElo: 2187
Black: Sambuev, Bator
BlackTitle: GM
BlackElo: 2448
Result: 0-1
ECO: C79
Opening: Ruy Lopez: Morphy Defense, Steinitz Deferred
Variant: Standard

1. e4 { [%eval 0.15] [%clk 1:30:57] } 1... e5 { [%eval 0.21] [%clk 1:29:41] } 2. Nf3 { [%eval 0.11] [%clk 1:31:18] } 2... Nc6 { [%eval 0.19] [%clk 1:30:00] } 3. Bb5 { [%eval 0.16] [%clk 1:31:39] } 3... a6 { [%eval 0.38] [%clk 1:30:26] } 4. Ba4 { [%eval 0.14] [%clk 1:32:04] } 4... Nf6 { [%eval 0.29] [%clk 1:30:52] } 5. O-O { [%eval 0.23] [%clk 1:32:25] } 5... d6 { [%eval 0.39] [%clk 1:31:15] } 6. Re1 { [%eval 0.37] [%clk 1:32:44] } 6... Bd7 { [%eval 0.42] [%clk 1:31:41] } 7. c3 { [%eval 0.34] [%clk 1:33:06] } 7... g6 { [%eval 0.33] [%clk 1:32:06] } 8. d4 { [%eval 0.56] [%clk 1:33:27] } 8... Bg7 { [%eval 0.59] [%clk 1:32:30] } 9. h3 { [%eval 0.62] [%clk 1:33:48] } 9... O-O { [%eval 0.56] [%clk 1:32:53] } 10. Bc2 { [%eval 0.55] [%clk 1:34:11] } 10... h6 { [%eval 0.57] [%clk 1:33:17] } 11. Be3 { [%eval 0.67] [%clk 1:30:46] } 11... exd4 { [%eval 0.65] [%clk 1:29:42] } 12. cxd4 { [%eval 0.71] [%clk 1:29:47] } 12... Nb4 { [%eval 0.66] [%clk 1:30:05] } 13. Nc3 { [%eval 0.55] [%clk 1:29:41] } 13... Nxc2 { [%eval 0.55] [%clk 1:30:28] } 14. Qxc2 { [%eval 0.55] [%clk 1:30:07] } 14... Bc6 { [%eval 0.96] [%clk 1:28:09] } 15. d5 { [%eval 0.93] [%clk 1:24:49] } 15... Bd7 { [%eval 0.96] [%clk 1:26:20] } 16. Nd4 { [%eval 0.62] [%clk 1:22:49] } 16... Re8 { [%eval 0.66] [%clk 1:24:54] } 17. Rad1 { [%eval 0.76] [%clk 1:19:20] } 17... Re7 { [%eval 0.82] [%clk 1:21:21] } 18. f4 { [%eval 0.33] [%clk 1:12:34] } 18... Qf8?! { [%eval 1.2] } { Inaccuracy. b5 was best. } { [%clk 0:54:35] } 19. Bf2?! { [%eval 0.46] } { Inaccuracy. Nf3 was best. } { [%clk 1:09:26] } 19... Nh7 { [%eval 0.68] [%clk 0:52:07] } 20. Nf3 { [%eval 0.75] [%clk 1:05:24] } 20... g5 { [%eval 0.67] [%clk 0:50:28] } 21. Qd2 { [%eval 0.62] [%clk 0:39:13] } 21... g4?! { [%eval 1.28] } { Inaccuracy. Rae8 was best. } { [%clk 0:29:23] } 22. hxg4 { [%eval 1.17] [%clk 0:39:21] } 22... Bxg4 { [%eval 1.16] [%clk 0:29:47] } 23. e5 { [%eval 1.19] [%clk 0:34:03] } 23... Qc8 { [%eval 1.16] [%clk 0:21:49] } 24. Qd3?! { [%eval 0.48] } { Inaccuracy. Bh4 was best. } { [%clk 0:20:19] } 24... dxe5 { [%eval 0.63] [%clk 0:17:19] } 25. d6 { [%eval 0.64] [%clk 0:15:38] } 25... cxd6 { [%eval 0.57] [%clk 0:16:32] } 26. Nd5 { [%eval 0.52] [%clk 0:16:02] } 26... Re6 { [%eval 0.81] [%clk 0:15:17] } 27. Nb6 { [%eval 0.61] [%clk 0:12:45] } 27... Qe8 { [%eval 0.62] [%clk 0:13:05] } 28. Nxa8 { [%eval 0.48] [%clk 0:10:18] } 28... Qxa8 { [%eval 0.49] [%clk 0:13:23] } 29. fxe5 { [%eval 0.47] [%clk 0:09:00] } 29... dxe5 { [%eval 0.57] [%clk 0:13:38] } 30. Qd8+ { [%eval 0.73] [%clk 0:02:37] } 30... Re8 { [%eval 0.48] [%clk 0:13:55] } 31. Qxa8 { [%eval 0.65] [%clk 0:03:05] } 31... Rxa8 { [%eval 0.85] [%clk 0:14:18] } 32. Rc1 { [%eval 0.71] [%clk 0:03:25] } 32... f6 { [%eval 0.91] [%clk 0:12:57] } 33. Rc7 { [%eval 1.3] [%clk 0:03:43] } 33... b5 { [%eval 1.22] [%clk 0:12:36] } 34. Rec1 { [%eval 1.02] [%clk 0:02:58] } 34... Be6 { [%eval 1.48] [%clk 0:11:32] } 35. Re7 { [%eval 1.38] [%clk 0:02:42] } 35... Bc4 { [%eval 1.9] [%clk 0:09:57] } 36. b3 { [%eval 1.73] [%clk 0:02:39] } 36... Bd3 { [%eval 1.71] [%clk 0:10:19] } 37. Rcc7 { [%eval 1.67] [%clk 0:00:51] } 37... Bf8 { [%eval 1.68] [%clk 0:10:39] } 38. Red7 { [%eval 1.34] [%clk 0:00:49] } 38... Bf5 { [%eval 1.65] [%clk 0:09:42] } 39. Rd1?! { [%eval 0.86] } { Inaccuracy. Ra7 was best. } { [%clk 0:01:07] } 39... Bg4 { [%eval 1.28] [%clk 0:09:06] } 40. Bc5? { [%eval 0.06] } { Mistake. Rdc1 was best. } { [%clk 0:00:39] } 40... Bg7? { [%eval 1.61] } { Mistake. e4 was best. } { [%clk 0:07:41] } 41. Rd6 { [%eval 1.72] [%clk 0:00:52] } 41... Nf8 { [%eval 1.8] [%clk 0:05:18] } 42. Be3 { [%eval 1.63] [%clk 0:00:38] } 42... a5 { [%eval 1.58] [%clk 0:04:01] } 43. Rd5 { [%eval 1.39] [%clk 0:00:39] } 43... b4 { [%eval 1.72] [%clk 0:03:43] } 44. Ra7 { [%eval 1.57] [%clk 0:00:36] } 44... Rxa7 { [%eval 1.64] [%clk 0:02:47] } 45. Bxa7 { [%eval 1.71] [%clk 0:01:04] } 45... Ne6 { [%eval 1.58] [%clk 0:03:04] } 46. Bb6 { [%eval 1.36] [%clk 0:00:49] } 46... Nf4 { [%eval 1.64] [%clk 0:02:52] } 47. Rd8+?! { [%eval 0.97] } { Inaccuracy. Rxa5 was best. } { [%clk 0:01:16] } 47... Kf7 { [%eval 0.94] [%clk 0:03:17] } 48. Bxa5 { [%eval 0.7] [%clk 0:01:08] } 48... Bf8 { [%eval 0.62] [%clk 0:03:36] } 49. Bb6 { [%eval 0.48] [%clk 0:00:40] } 49... Ne2+ { [%eval 0.55] [%clk 0:03:30] } 50. Kf2 { [%eval 0.49] [%clk 0:01:05] } 50... Nc3 { [%eval 0.57] [%clk 0:03:55] } 51. Ra8 { [%eval 0.53] [%clk 0:01:06] } 51... Bd6 { [%eval 0.84] [%clk 0:03:53] } 52. Nd2 { [%eval 0.62] [%clk 0:01:18] } 52... Ke6 { [%eval 1.17] [%clk 0:03:40] } 53. Nc4 { [%eval 1.26] [%clk 0:01:33] } 53... Be7 { [%eval 1.19] [%clk 0:04:05] } 54. Ne3 { [%eval 1.26] [%clk 0:00:36] } 54... h5 { [%eval 1.28] [%clk 0:03:28] } 55. Ra6?! { [%eval 0.59] } { Inaccuracy. Ke1 was best. } { [%clk 0:00:59] } 55... Kf7 { [%eval 1.04] [%clk 0:03:05] } 56. Ra7 { [%eval 0.9] [%clk 0:00:34] } 56... Nb5?! { [%eval 1.85] } { Inaccuracy. Ke8 was best. } { [%clk 0:02:26] } 57. Rxe7+?? { [%eval 0.0] } { Blunder. Ra5 was best. } { [%clk 0:00:32] } 57... Kxe7 { [%eval 0.0] [%clk 0:02:52] } 58. Nxg4 { [%eval 0.0] [%clk 0:00:58] } 58... hxg4 { [%eval 0.0] [%clk 0:03:15] } 59. Bc5+ { [%eval 0.0] [%clk 0:01:27] } 59... Ke6 { [%eval 0.0] [%clk 0:03:13] } 60. Bxb4 { [%eval 0.0] [%clk 0:01:53] } 60... Kd5 { [%eval 0.0] [%clk 0:03:33] } 61. Be7 { [%eval 0.0] [%clk 0:01:31] } 61... f5 { [%eval 0.0] [%clk 0:03:57] } 62. a4 { [%eval 0.0] [%clk 0:01:59] } 62... Nd4 { [%eval 0.0] [%clk 0:04:13] } 63. b4 { [%eval -0.12] [%clk 0:01:59] } 63... f4 { [%eval -0.06] [%clk 0:04:35] } 64. b5?? { [%eval -5.39] } { Blunder. a5 was best. } { [%clk 0:01:48] } 64... e4 { [%eval -5.2] [%clk 0:04:37] } 65. Bg5?! { [%eval -7.81] } { Inaccuracy. Ke1 was best. } { [%clk 0:01:22] } 65... e3+ { [%eval -6.13] [%clk 0:04:31] } 66. Ke1?? { [%eval #-16] } { Checkmate is now unavoidable. Kf1 was best. } { [%clk 0:00:39] } 66... Ke4 { [%eval #-19] [%clk 0:04:29] } 67. b6 { [%eval #-9] [%clk 0:00:32] } 67... Kd3 { [%eval #-8] [%clk 0:04:30] } 0-1