Event: Las Vegas National Open 2023
Date: 2023-06-16
White: Denes Boros
WhiteTitle: GM
Black: Nathan Yan
Result: 1-0
ECO: A45
Opening: Indian Defense
Variant: Standard
TimeControl: G/90 +30 sec inc

1. d4 { [%eval 0.0] [%clk 1:30:58] } 1... Nf6 { [%eval 0.28] [%clk 1:19:24] } 2. Bf4 { [%eval 0.0] [%clk 1:31:12] } 2... e6 { [%eval 0.14] [%clk 1:19:04] } 3. Nd2 { [%eval -0.05] [%clk 1:29:57] } 3... d5 { [%eval 0.17] [%clk 1:19:15] } 4. e3 { [%eval -0.05] [%clk 1:30:19] } 4... c5 { [%eval 0.15] [%clk 1:19:36] } 5. c3 { [%eval 0.03] [%clk 1:30:42] } 5... Nc6 { [%eval 0.13] [%clk 1:20:01] } 6. Bd3 { [%eval 0.0] [%clk 1:29:40] } 6... Bd6 { [%eval 0.0] [%clk 1:17:53] } 7. dxc5 { [%eval 0.04] [%clk 1:29:50] } 7... Bxc5 { [%eval 0.12] [%clk 1:17:52] } 8. Ngf3 { [%eval 0.06] [%clk 1:30:14] } 8... O-O { [%eval -0.13] [%clk 1:16:58] } 9. O-O { [%eval -0.03] [%clk 1:28:11] } 9... Bd6 { [%eval -0.01] [%clk 1:08:54] } 10. Bg5 { [%eval -0.14] [%clk 1:25:30] } 10... h6 { [%eval -0.01] [%clk 1:07:18] } 11. Bh4 { [%eval -0.08] [%clk 1:25:57] } 11... e5 { [%eval 0.3] [%clk 1:01:40] } 12. e4 { [%eval 0.24] [%clk 1:25:24] } 12... Be7 { [%eval 0.25] [%clk 1:00:16] } 13. Qc2 { [%eval -0.14] [%clk 1:19:56] } 13... Bg4?! { [%eval 0.42] } { Inaccuracy. dxe4 was best. } { [%clk 0:57:12] } 14. exd5 { [%eval 0.3] [%clk 1:15:08] } 14... Nxd5 { [%eval 0.33] [%clk 0:55:37] } 15. Bg3 { [%eval 0.4] [%clk 1:15:00] } 15... Bf6 { [%eval 0.59] [%clk 0:50:33] } 16. Rfe1 { [%eval 0.47] [%clk 1:12:28] } 16... Rc8 { [%eval 0.79] [%clk 0:42:49] } 17. h3 { [%eval 0.75] [%clk 1:04:58] } 17... Be6 { [%eval 1.06] [%clk 0:24:59] } 18. Bf1?! { [%eval 0.46] } { Inaccuracy. Rad1 was best. } { [%clk 0:57:05] } 18... Qc7 { [%eval 0.47] [%clk 0:12:50] } 19. Kh1 { [%eval 0.26] [%clk 0:53:18] } 19... Rfe8?! { [%eval 1.27] } { Inaccuracy. Nf4 was best. } { [%clk 0:11:50] } 20. Nc4 { [%eval 1.41] [%clk 0:50:08] } 20... Nf4 { [%eval 1.55] [%clk 0:10:17] } 21. Ncxe5 { [%eval 1.57] [%clk 0:48:04] } 21... Nxe5 { [%eval 1.44] [%clk 0:10:34] } 22. Bxf4 { [%eval 1.57] [%clk 0:48:27] } 22... Bd5 { [%eval 1.58] [%clk 0:09:28] } 23. Nxe5 { [%eval 1.57] [%clk 0:45:07] } 23... Bxe5 { [%eval 1.61] [%clk 0:09:49] } 24. Rxe5 { [%eval 1.44] [%clk 0:42:54] } 24... Rxe5 { [%eval 1.41] [%clk 0:09:21] } 25. Qd2?? { [%eval -0.72] } { Blunder. Rd1 was best. } { [%clk 0:42:31] } 25... Qd7 { [%eval -1.0] [%clk 0:06:52] } 26. Rd1 { [%eval -0.7] [%clk 0:41:44] } 26... Rf5 { [%eval -0.77] [%clk 0:05:18] } 27. Be3 { [%eval -0.65] [%clk 0:38:41] } 27... Rd8 { [%eval -0.56] [%clk 0:04:43] } 28. Kg1 { [%eval -0.57] [%clk 0:38:35] } 28... Bc6 { [%eval -0.61] [%clk 0:04:09] } 29. Bd4? { [%eval -1.84] } { Mistake. Qxd7 was best. } { [%clk 0:38:40] } 29... Rg5 { [%eval -1.73] [%clk 0:04:11] } 30. f4 { [%eval -1.58] [%clk 0:38:02] } 30... Rg6 { [%eval -1.85] [%clk 0:02:46] } 31. Kh2 { [%eval -2.15] [%clk 0:38:28] } 31... Qc7?! { [%eval -0.98] } { Inaccuracy. Bb5 was best. } { [%clk 0:02:39] } 32. Qf2 { [%eval -0.96] [%clk 0:38:30] } 32... Re8 { [%eval -0.83] [%clk 0:02:03] } 33. Bxa7?! { [%eval -1.67] } { Inaccuracy. Be5 was best. } { [%clk 0:37:20] } 33... Re4?! { [%eval -0.95] } { Inaccuracy. Bxg2 was best. } { [%clk 0:01:20] } 34. g3 { [%eval -1.02] [%clk 0:37:19] } 34... Re8 { [%eval -0.81] [%clk 0:01:21] } 35. Bd4 { [%eval -0.9] [%clk 0:37:12] } 35... Rge6 { [%eval -0.81] [%clk 0:00:48] } 36. Be5 { [%eval -0.86] [%clk 0:37:20] } 36... Qa5?! { [%eval 0.0] } { Inaccuracy. Qc8 was best. } { [%clk 0:01:08] } 37. Bc4 { [%eval 0.0] [%clk 0:37:18] } 37... R6e7 { [%eval 0.0] [%clk 0:01:37] } 38. b4?! { [%eval -0.56] } { Inaccuracy. Rd6 was best. } { [%clk 0:37:31] } 38... Qa4 { [%eval -0.82] [%clk 0:01:36] } 39. Qe2 { [%eval -0.4] [%clk 0:37:13] } 39... Rd7 { [%eval -0.34] [%clk 0:01:36] } 40. Bb3?! { [%eval -1.16] } { Inaccuracy. Rxd7 was best. } { [%clk 0:37:41] } 40... Qa7 { [%eval -0.94] [%clk 0:01:51] } 41. Rf1 { [%eval -1.49] [%clk 0:35:44] } 41... Kh7?? { [%eval 0.44] } { Blunder. b5 was best. } { [%clk 0:00:50] } 42. h4? { [%eval -1.01] } { Mistake. b5 was best. } { [%clk 0:32:11] } 42... f6? { [%eval 0.3] } { Mistake. b5 was best. } { [%clk 0:00:51] } 43. Qc2+?? { [%eval -2.85] } { Blunder. b5 was best. } { [%clk 0:32:40] } 43... Kh8 { [%eval -3.09] [%clk 0:00:54] } 44. Bd4 { [%eval -2.71] [%clk 0:32:56] } 44... Qa6 { [%eval -2.62] } 45. Rf2 { [%eval -2.54] [%clk 0:32:35] } 45... Re1 { [%eval -2.63] [%clk 0:01:06] } 46. Kh3?? { [%eval -5.38] } { Blunder. g4 was best. } { [%clk 0:32:52] } 46... h5 { [%eval -5.53] [%clk 0:01:03] } 47. g4 { [%eval -6.11] [%clk 0:32:36] } 47... Rh1+?? { [%eval -0.24] } { Blunder. Be4 was best. } { [%clk 0:01:16] } 48. Kg3 { [%eval -0.38] [%clk 0:33:01] } 48... Rg1+ { [%eval -0.29] [%clk 0:01:45] } 49. Kh2 { [%eval -0.37] [%clk 0:33:04] } 49... Rh1+ { [%eval -0.37] [%clk 0:01:19] } 50. Kg3 { [%eval -0.41] [%clk 0:33:30] } 50... Rg1+ { [%eval -0.31] [%clk 0:01:02] } 51. Kh2 { [%eval -0.31] [%clk 0:33:59] } 51... Rxg4 { [%eval -0.29] [%clk 0:00:50] } 52. Qf5 { [%eval -0.14] [%clk 0:34:18] } 52... Rxh4+ { [%eval 0.0] [%clk 0:00:55] } 53. Kg3 { [%eval 0.0] [%clk 0:34:40] } 53... Qb5?? { [%eval 4.18] } { Blunder. Rh1 was best. } { [%clk 0:00:59] } 54. Qe6 { [%eval 3.95] [%clk 0:33:49] } 54... Rg4+ { [%eval 3.86] [%clk 0:01:04] } 55. Qxg4 { [%eval 3.92] [%clk 0:33:55] } 55... Qd3+ { [%eval 3.58] [%clk 0:01:23] } 56. Rf3 { [%eval 3.86] [%clk 0:34:18] } 56... Bxf3 { [%eval 4.19] [%clk 0:00:49] } 57. Qxf3 { [%eval 3.89] [%clk 0:34:41] } 57... h4+ { [%eval 3.88] [%clk 0:01:07] } 58. Kg2 { [%eval 3.63] [%clk 0:34:58] } 58... Qg6+ { [%eval 3.65] [%clk 0:01:29] } 59. Kh3 { [%eval 3.8] [%clk 0:35:16] } 59... Qf5+ { [%eval 3.71] [%clk 0:00:55] } 60. Qg4 { [%eval 4.89] [%clk 0:35:12] } 60... Qd3+ { [%eval 3.91] [%clk 0:01:11] } 61. Kg2 { [%eval 3.47] [%clk 0:35:14] } 61... Qd2+ { [%eval 4.66] [%clk 0:01:27] } 62. Bf2 { [%eval 3.9] [%clk 0:35:29] } 62... g5 { [%eval 4.11] [%clk 0:01:33] } 63. Qe6 { [%eval 4.23] [%clk 0:35:06] } 63... Kg7 { [%eval 4.81] [%clk 0:01:10] } 64. f5 { [%eval 6.03] [%clk 0:30:38] } 64... Qd6?? { [%eval #2] } { Checkmate is now unavoidable. h3+ was best. } { [%clk 0:01:03] } 65. Qg8+ { [%eval #1] [%clk 0:31:02] } 65... Kh6 { [%clk 0:01:28] } 66. Qg6# 1-0