Event: U.S. Chess Championship
Site: Saint Louis, United States
Date: 2022-10-18
White: Sevian, Samuel
WhiteElo: 2684
Black: Niemann, Hans
BlackElo: 2699
Result: 0-1
ECO: D41
Opening: Queen's Gambit Declined: Semi-Tarrasch Defense
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:28:40] } 1... Nf6 { [%eval 0.23] [%clk 1:28:34] } 2. c4 { [%eval 0.29] [%clk 1:28:57] } 2... e6 { [%eval 0.23] [%clk 1:27:37] } 3. Nf3 { [%eval 0.0] [%clk 1:29:09] } 3... d5 { [%eval 0.17] [%clk 1:27:56] } 4. Nc3 { [%eval 0.0] [%clk 1:29:23] } 4... c5 { [%eval 0.25] [%clk 1:28:16] } 5. cxd5 { [%eval 0.15] [%clk 1:29:10] } 5... cxd4 { [%eval 0.35] [%clk 1:27:56] } 6. Qxd4 { [%eval 0.23] [%clk 1:28:24] } 6... exd5 { [%eval 0.28] [%clk 1:28:12] } 7. e4 { [%eval 0.2] [%clk 1:17:51] } 7... dxe4 { [%eval 0.17] [%clk 1:28:15] } 8. Qxd8+ { [%eval 0.51] [%clk 1:18:16] } 8... Kxd8 { [%eval 0.51] [%clk 1:28:32] } 9. Ng5 { [%eval 0.45] [%clk 1:18:42] } 9... Be6 { [%eval 0.55] [%clk 1:28:50] } 10. a3 { [%eval 0.32] [%clk 1:19:07] } 10... Nbd7 { [%eval 0.19] [%clk 1:29:10] } 11. Bf4 { [%eval 0.15] [%clk 1:19:32] } 11... Rc8 { [%eval 0.12] [%clk 1:29:31] } 12. g3 { [%eval 0.16] [%clk 1:19:57] } 12... Bb3 { [%eval 0.31] [%clk 1:29:46] } 13. Bg2 { [%eval -0.2] [%clk 1:20:14] } 13... Nh5 { [%eval -0.18] [%clk 1:30:10] } 14. Be3 { [%eval -0.27] [%clk 1:20:21] } 14... f5 { [%eval -0.37] [%clk 1:30:35] } 15. g4 { [%eval -0.02] [%clk 1:20:44] } 15... f4 { [%eval -0.11] [%clk 1:31:01] } 16. Bd4 { [%eval 0.08] [%clk 1:19:34] } 16... f3 { [%eval 0.18] [%clk 1:31:14] } 17. gxh5 { [%eval 0.16] [%clk 1:19:57] } 17... fxg2 { [%eval 0.25] [%clk 1:31:38] } 18. Rg1 { [%eval 0.04] [%clk 1:20:22] } 18... Nf6 { [%eval 0.09] [%clk 1:31:18] } 19. Rxg2 { [%eval 0.21] [%clk 1:01:09] } 19... Bc5 { [%eval 0.18] [%clk 1:28:21] } 20. Rd1?! { [%eval -0.71] } { Inaccuracy. Bxf6+ was best. } { [%clk 0:38:14] } 20... Bxd1 { [%eval -0.63] [%clk 1:10:45] } 21. Ne6+ { [%eval -0.73] [%clk 0:38:32] } 21... Ke7 { [%eval -0.61] [%clk 1:10:26] } 22. Nxc5 { [%eval -0.68] [%clk 0:37:27] } 22... Bg4 { [%eval -0.25] [%clk 1:07:10] } 23. N5xe4 { [%eval -0.12] [%clk 0:27:22] } 23... Nxe4 { [%eval -0.04] [%clk 1:02:38] } 24. Rxg4 { [%eval -0.13] [%clk 0:27:27] } 24... Nxc3 { [%eval 0.0] [%clk 1:02:53] } 25. Rxg7+ { [%eval -0.25] [%clk 0:27:38] } 25... Kd6 { [%eval -0.05] [%clk 1:03:15] } 26. Bxc3?! { [%eval -0.6] } { Inaccuracy. bxc3 was best. } { [%clk 0:26:46] } 26... Rhe8+ { [%eval -0.56] [%clk 1:03:37] } 27. Kf1 { [%eval -0.54] [%clk 0:25:24] } 27... Rc7 { [%eval -0.56] [%clk 1:03:47] } 28. Rg4 { [%eval -0.49] [%clk 0:22:45] } 28... Rf7 { [%eval -0.42] [%clk 1:03:38] } 29. a4 { [%eval -0.81] [%clk 0:22:05] } 29... b6 { [%eval -0.62] [%clk 1:00:47] } 30. h6?! { [%eval -1.26] } { Inaccuracy. Bd2 was best. } { [%clk 0:16:42] } 30... Re3 { [%eval -1.22] [%clk 1:00:17] } 31. Rd4+?! { [%eval -1.81] } { Inaccuracy. a5 was best. } { [%clk 0:13:56] } 31... Ke6 { [%eval -1.64] [%clk 1:00:27] } 32. a5 { [%eval -1.58] [%clk 0:12:35] } 32... Ref3 { [%eval -1.76] [%clk 0:59:18] } 33. Rd2 { [%eval -1.94] [%clk 0:07:28] } 33... b5 { [%eval -1.89] [%clk 0:59:41] } 34. Bd4 { [%eval -1.74] [%clk 0:05:54] } 34... Rd7 { [%eval -1.93] [%clk 0:58:15] } 35. Kg2 { [%eval -1.46] [%clk 0:05:37] } 35... Rf5 { [%eval -1.11] [%clk 0:58:06] } 36. Re2+ { [%eval -1.3] [%clk 0:06:01] } 36... Kd5 { [%eval -1.64] [%clk 0:58:32] } 37. Bg7?! { [%eval -2.26] } { Inaccuracy. b3 was best. } { [%clk 0:04:40] } 37... Kc4?! { [%eval -1.57] } { Inaccuracy. Rdf7 was best. } { [%clk 0:58:53] } 38. Re4+ { [%eval -1.69] [%clk 0:02:43] } 38... Kb3?! { [%eval -0.87] } { Inaccuracy. Kd3 was best. } { [%clk 0:59:12] } 39. Re8? { [%eval -2.39] } { Mistake. f4 was best. } { [%clk 0:02:26] } 39... Rdf7 { [%eval -2.54] [%clk 0:29:01] } 40. Rh8 { [%eval -2.19] [%clk 0:02:43] } 40... Rg5+ { [%eval -1.65] [%clk 0:17:58] } 41. Kh3 { [%eval -2.23] [%clk 0:27:11] } 41... b4 { [%eval -2.43] [%clk 0:46:43] } 42. Kh4 { [%eval -2.63] [%clk 0:17:40] } 42... Rg6?? { [%eval -0.5] } { Blunder. Rxa5 was best. } { [%clk 0:37:08] } 43. Rxh7 { [%eval -0.83] [%clk 0:10:46] } 43... Rxh6+?! { [%eval 0.0] } { Inaccuracy. Rxf2 was best. } { [%clk 0:37:13] } 44. Rxh6 { [%eval 0.0] [%clk 0:10:58] } 44... Rxg7 { [%eval 0.0] [%clk 0:37:40] } 45. f4 { [%eval -0.01] [%clk 0:07:21] } 45... Kxb2 { [%eval 0.0] [%clk 0:35:11] } 46. f5 { [%eval 0.0] [%clk 0:04:52] } 46... b3 { [%eval 0.0] [%clk 0:32:33] } 47. f6 { [%eval 0.0] [%clk 0:04:59] } 47... Rg2 { [%eval 0.0] [%clk 0:32:37] } 48. h3?? { [%eval -4.92] } { Blunder. Rh5 was best. } { [%clk 0:04:03] } 48... Ka2 { [%eval -5.02] [%clk 0:30:28] } 49. Rh7 { [%eval -5.15] [%clk 0:02:27] } 49... b2 { [%eval -5.28] [%clk 0:30:49] } 50. Rb7 { [%eval -5.4] [%clk 0:02:52] } 50... Rg6 { [%eval -5.2] [%clk 0:31:14] } 51. f7 { [%eval -5.14] [%clk 0:02:53] } 51... Rf6 { [%eval -5.22] [%clk 0:30:46] } 52. Kg5 { [%eval -5.18] [%clk 0:03:14] } 52... Rxf7 { [%eval -4.99] [%clk 0:31:09] } 53. Rxf7 { [%eval -5.41] [%clk 0:03:40] } 53... b1=Q { [%eval -5.42] [%clk 0:31:31] } 54. h4 { [%eval -5.17] [%clk 0:03:41] } 54... Qg1+ { [%eval -5.11] [%clk 0:31:41] } 55. Kh5 { [%eval -5.2] [%clk 0:03:37] } 55... Kb3 { [%eval -5.34] [%clk 0:29:08] } 56. a6 { [%eval -5.32] [%clk 0:02:43] } 56... Kc4 { [%eval -5.33] [%clk 0:29:21] } 57. Rg7 { [%eval -5.27] [%clk 0:03:10] } 57... Qc5+ { [%eval -5.06] [%clk 0:28:52] } 58. Rg5 { [%eval -6.19] [%clk 0:02:43] } 58... Qe7 { [%eval -5.54] [%clk 0:29:14] } 59. Rf5 { [%eval -6.14] [%clk 0:02:06] } 59... Kd4 { [%eval -6.37] [%clk 0:29:17] } 60. Kg4 { [%eval -6.38] [%clk 0:02:33] } 60... Qe6 { [%eval -5.98] [%clk 0:29:22] } 61. Kg5 { [%eval -6.19] [%clk 0:02:57] } 61... Ke4 { [%eval -6.52] [%clk 0:29:20] } 62. Rf6 { [%eval -7.53] [%clk 0:02:57] } 62... Qe7 { [%eval -6.86] [%clk 0:28:55] } 63. Kg6 { [%eval -6.84] [%clk 0:03:25] } 63... Ke5 { [%eval -6.81] [%clk 0:29:10] } 64. Rf5+ { [%eval -6.72] [%clk 0:03:51] } 64... Ke6 { [%eval -6.79] [%clk 0:29:34] } 65. Rf4 { [%eval -7.82] [%clk 0:04:12] } 65... Qe8+ { [%eval -8.27] [%clk 0:29:55] } 66. Kg5 { [%eval -8.11] [%clk 0:04:22] } 66... Qg8+ { [%eval -8.17] [%clk 0:30:14] } 67. Kh5 { [%eval -7.46] [%clk 0:04:48] } 67... Ke5 { [%eval -7.17] [%clk 0:30:37] } 68. Rf1 { [%eval -8.09] [%clk 0:05:09] } 68... Qd5 { [%eval -7.8] [%clk 0:30:05] } 69. Rf8 { [%eval -7.98] [%clk 0:05:21] } 69... Qd1+ { [%eval -7.62] [%clk 0:29:10] } 70. Kg5 { [%eval -7.75] [%clk 0:05:23] } 70... Qd2+ { [%eval -7.22] [%clk 0:29:30] } 71. Kh5 { [%eval -7.11] [%clk 0:05:46] } 71... Qd7 { [%eval -7.58] [%clk 0:28:04] } 72. Rf1 { [%eval -8.07] [%clk 0:05:30] } 72... Qb5 { [%eval -7.9] [%clk 0:28:13] } 73. Rf8 { [%eval -8.09] [%clk 0:05:16] } 73... Qxa6 { [%eval -9.0] [%clk 0:27:25] } 74. Kg5 { [%eval -7.6] [%clk 0:05:38] } 74... Qe6 { [%eval -9.89] [%clk 0:27:42] } 75. Rf1 { [%eval -10.97] [%clk 0:05:56] } 75... Qg8+ { [%eval -11.1] [%clk 0:28:07] } 76. Kh6 { [%eval -13.59] [%clk 0:06:22] } 76... Qh8+ { [%eval -9.27] [%clk 0:28:03] } 77. Kg5 { [%eval -9.89] [%clk 0:06:49] } 77... Qd8+ { [%eval -9.52] [%clk 0:28:19] } 78. Kh5 { [%eval -10.67] [%clk 0:07:11] } 78... a5 { [%eval -12.08] [%clk 0:28:35] } 0-1