Event: Freestyle Chess Grand Slam Las Vegas Black
Site: Las Vegas, United States
Date: 2025-07-10
White: Niemann, Hans Moke
WhiteTitle: GM
WhiteElo: 2621
Black: Sevian, Samuel
BlackTitle: GM
BlackElo: 2654
Result: 1/2-1/2
Variant: Fischerandom
TimeControl: 10+10

1. c4 { [%eval 0.17] [%clk 0:10:17] } 1... c5 { [%eval 0.11] [%clk 0:10:19] } 2. b3 { [%eval 0.12] [%clk 0:10:24] } 2... b6 { [%eval 0.22] [%clk 0:10:22] } 3. h4 { [%eval 0.17] [%clk 0:10:29] } 3... h5 { [%eval 0.17] [%clk 0:10:31] } 4. Nde3?! { [%eval -0.42] } { Inaccuracy. e3 was best. } { [%clk 0:09:56] } 4... e6 { [%eval -0.23] [%clk 0:10:37] } 5. d4 { [%eval -0.25] [%clk 0:09:33] } 5... cxd4 { [%eval -0.19] [%clk 0:10:45] } 6. Bxd4 { [%eval -0.24] [%clk 0:09:39] } 6... Nc6 { [%eval 0.0] [%clk 0:10:48] } 7. Bb2 { [%eval -0.05] [%clk 0:09:44] } 7... Bf4 { [%eval 0.29] [%clk 0:10:25] } 8. Be4 { [%eval 0.3] [%clk 0:09:24] } 8... f5 { [%eval 0.28] [%clk 0:09:52] } 9. Bf3 { [%eval 0.27] [%clk 0:09:29] } 9... Ng6 { [%eval 0.23] [%clk 0:09:24] } 10. Qa1 { [%eval -0.12] [%clk 0:08:22] } 10... Re7 { [%eval 0.13] [%clk 0:08:12] } 11. g3 { [%eval 0.04] [%clk 0:08:30] } 11... Bc7 { [%eval 0.0] [%clk 0:06:25] } 12. Nd2 { [%eval -0.42] [%clk 0:08:34] } 12... Nce5 { [%eval 0.0] [%clk 0:05:36] } 13. Bxa8 { [%eval -0.02] [%clk 0:08:40] } 13... Qxa8 { [%eval -0.07] [%clk 0:05:45] } 14. O-O-O { [%eval -0.05] [%clk 0:08:36] } 14... a6?! { [%eval 0.78] } { Inaccuracy. Qc6 was best. } { [%clk 0:04:55] } 15. f4 { [%eval 0.77] [%clk 0:08:11] } 15... Nc6 { [%eval 1.05] [%clk 0:05:05] } 16. Ba3 { [%eval 1.08] [%clk 0:07:48] } 16... Rf7 { [%eval 1.37] [%clk 0:04:33] } 17. Nf3 { [%eval 1.44] [%clk 0:07:54] } 17... Bd8 { [%eval 1.35] [%clk 0:04:42] } 18. Qc3 { [%eval 1.6] [%clk 0:07:25] } 18... b5 { [%eval 1.55] [%clk 0:04:44] } 19. Qd3 { [%eval 1.02] [%clk 0:07:22] } 19... bxc4 { [%eval 1.59] [%clk 0:04:20] } 20. Nxc4 { [%eval 1.71] [%clk 0:07:02] } 20... d5 { [%eval 1.8] [%clk 0:04:28] } 21. Nd6 { [%eval 1.75] [%clk 0:07:11] } 21... Be7 { [%eval 2.3] [%clk 0:02:14] } 22. Kb1 { [%eval 2.23] [%clk 0:07:15] } 22... Rf6 { [%eval 2.2] [%clk 0:02:18] } 23. Rc1 { [%eval 2.16] [%clk 0:07:15] } 23... O-O { [%eval 2.19] [%clk 0:02:09] } 24. Qc2?! { [%eval 1.38] } { Inaccuracy. Qc3 was best. } { [%clk 0:06:07] } 24... Na7 { [%eval 1.33] [%clk 0:02:18] } 25. Qc7 { [%eval 1.32] [%clk 0:03:04] } 25... Bxd6 { [%eval 1.34] [%clk 0:02:16] } 26. Qxd6 { [%eval 1.44] [%clk 0:03:08] } 26... Nb5 { [%eval 1.35] [%clk 0:01:17] } 27. Qc5 { [%eval 1.34] [%clk 0:03:09] } 27... Nxa3+ { [%eval 1.25] [%clk 0:01:07] } 28. Qxa3 { [%eval 1.29] [%clk 0:03:17] } 28... d4 { [%eval 1.45] [%clk 0:01:17] } 29. Rhd1?! { [%eval 0.67] } { Inaccuracy. Qb2 was best. } { [%clk 0:02:57] } 29... Qe4+ { [%eval 0.71] [%clk 0:00:56] } 30. Rc2?! { [%eval 0.04] } { Inaccuracy. Ka1 was best. } { [%clk 0:02:21] } 30... Rc8 { [%eval 0.0] [%clk 0:01:05] } 31. Qc1 { [%eval 0.0] [%clk 0:01:38] } 31... e5 { [%eval 0.0] [%clk 0:01:03] } 32. fxe5 { [%eval 0.0] [%clk 0:00:55] } 32... Rfc6 { [%eval 0.0] [%clk 0:01:04] } 33. Nxd4 { [%eval 0.02] [%clk 0:01:03] } 33... Rxc2 { [%eval 0.0] [%clk 0:01:03] } 34. Nxc2 { [%eval 0.03] [%clk 0:01:12] } 34... Nxe5 { [%eval 0.3] [%clk 0:00:32] } 35. Qd2 { [%eval 0.5] [%clk 0:01:20] } 35... Kh7 { [%eval 0.47] [%clk 0:00:35] } 36. Rc1 { [%eval 0.16] [%clk 0:01:18] } 36... Ng4 { [%eval 0.21] [%clk 0:00:33] } 37. Qf4 { [%eval 0.23] [%clk 0:01:17] } 37... Nf6 { [%eval 0.21] [%clk 0:00:28] } 38. Kb2 { [%eval 0.14] [%clk 0:01:21] } 38... Re8 { [%eval 0.19] [%clk 0:00:13] } 39. Qxe4 { [%eval 0.04] [%clk 0:01:21] } 39... Nxe4 { [%eval 0.05] [%clk 0:00:22] } 40. Rg1 { [%eval 0.0] [%clk 0:01:25] } 40... Rd8 { [%eval 0.12] [%clk 0:00:30] } 41. b4 { [%eval 0.14] [%clk 0:01:20] } 41... Kg6 { [%eval 0.07] [%clk 0:00:25] } 42. e3 { [%eval 0.05] [%clk 0:01:25] } 42... Rd2 { [%eval 0.49] [%clk 0:00:32] } 43. a4 { [%eval 0.38] [%clk 0:01:34] } 43... Kf6 { [%eval 0.2] [%clk 0:00:39] } 44. a5 { [%eval 0.24] [%clk 0:01:05] } 44... Nd6?! { [%eval 0.83] } { Inaccuracy. g5 was best. } { [%clk 0:00:12] } 45. Kc3 { [%eval 0.35] [%clk 0:01:10] } 45... Ne4+ { [%eval 0.5] [%clk 0:00:21] } 46. Kb2 { [%eval 0.45] [%clk 0:01:17] } 46... Nd6 { [%eval 1.0] [%clk 0:00:30] } 47. Kc1 { [%eval 0.73] [%clk 0:01:15] } 47... Rf2? { [%eval 2.12] } { Mistake. Rd5 was best. } { [%clk 0:00:13] } 48. Rd1 { [%eval 2.09] [%clk 0:01:03] } 48... Ke5 { [%eval 2.53] [%clk 0:00:22] } 49. Ne1 { [%eval 2.55] [%clk 0:01:12] } 49... Ke6 { [%eval 2.6] [%clk 0:00:14] } 50. Nd3 { [%eval 2.61] [%clk 0:01:20] } 50... Rf3 { [%eval 2.33] [%clk 0:00:18] } 51. Nc5+ { [%eval 2.39] [%clk 0:01:20] } 51... Ke5 { [%eval 2.74] [%clk 0:00:21] } 52. Nxa6 { [%eval 2.71] [%clk 0:01:25] } 52... Rxe3 { [%eval 2.52] [%clk 0:00:29] } 53. Nc5? { [%eval 1.02] } { Mistake. Kc2 was best. } { [%clk 0:01:31] } 53... Rxg3?? { [%eval 2.98] } { Blunder. Rc3+ was best. } { [%clk 0:00:17] } 54. a6 { [%eval 2.83] [%clk 0:01:33] } 54... Nb5 { [%eval 2.94] [%clk 0:00:12] } 55. Rd7? { [%eval 1.47] } { Mistake. Rd8 was best. } { [%clk 0:01:33] } 55... f4 { [%eval 1.32] [%clk 0:00:12] } 56. Rb7 { [%eval 1.39] [%clk 0:01:42] } 56... Rg1+? { [%eval 3.34] } { Mistake. Nd6 was best. } { [%clk 0:00:17] } 57. Kb2 { [%eval 3.47] [%clk 0:01:21] } 57... Rg2+ { [%eval 3.46] [%clk 0:00:24] } 58. Kb3 { [%eval 3.13] [%clk 0:01:25] } 58... Rg3+ { [%eval 2.98] [%clk 0:00:29] } 59. Ka4 { [%eval 2.95] [%clk 0:01:27] } 59... Nc3+ { [%eval 2.81] [%clk 0:00:34] } 60. Ka5 { [%eval 2.88] [%clk 0:01:36] } 60... Rg1 { [%eval 2.94] [%clk 0:00:40] } 61. Re7+ { [%eval 3.11] [%clk 0:00:28] } 61... Kd6 { [%eval 3.23] [%clk 0:00:33] } 62. Rf7?? { [%eval 1.0] } { Blunder. Re6+ was best. } { [%clk 0:00:15] } 62... Ra1+ { [%eval 1.15] [%clk 0:00:30] } 63. Kb6 { [%eval 1.17] [%clk 0:00:24] } 63... Nd5+ { [%eval 1.13] [%clk 0:00:39] } 64. Kb5 { [%eval 1.04] [%clk 0:00:18] } 64... Nc7+ { [%eval 1.06] [%clk 0:00:25] } 65. Kc4 { [%eval 1.14] [%clk 0:00:23] } 65... f3? { [%eval 2.72] } { Mistake. Kc6 was best. } { [%clk 0:00:12] } 66. Rd7+?? { [%eval 0.0] } { Blunder. Rxf3 was best. } { [%clk 0:00:21] } 66... Kc6 { [%eval 0.0] [%clk 0:00:17] } 67. Rf7 { [%eval 0.0] [%clk 0:00:25] } 67... Kb6 { [%eval 0.0] [%clk 0:00:12] } 68. Rxf3 { [%eval 0.0] [%clk 0:00:25] } 68... Nxa6 { [%eval 0.0] [%clk 0:00:16] } 69. Nxa6 { [%eval 0.0] [%clk 0:00:28] } 69... Kxa6 { [%eval 0.0] [%clk 0:00:22] } 70. Rg3 { [%eval 0.0] [%clk 0:00:31] } 70... Rh1 { [%eval 0.0] [%clk 0:00:24] } 71. Rg6+ { [%eval 0.0] [%clk 0:00:36] } 71... Kb7 { [%eval 0.0] [%clk 0:00:34] } 72. Kc5 { [%eval 0.0] [%clk 0:00:23] } 72... Rxh4 { [%eval 0.0] [%clk 0:00:43] } 73. Rxg7+ { [%eval 0.0] [%clk 0:00:29] } 73... Kb8 { [%eval 0.0] [%clk 0:00:52] } 74. b5 { [%eval 0.0] [%clk 0:00:29] } 74... Rf4 { [%eval 0.0] [%clk 0:01:01] } 75. Rh7 { [%eval 0.0] [%clk 0:00:35] } 75... Rf5+ { [%eval 0.0] [%clk 0:01:04] } 76. Kb6 { [%eval 0.0] [%clk 0:00:42] } 76... Rf6+ { [%eval 0.0] [%clk 0:01:13] } 77. Ka5 { [%eval 0.0] [%clk 0:00:51] } 77... Re6 { [%eval 0.0] [%clk 0:01:11] } 78. b6 { [%eval 0.0] [%clk 0:00:56] } 78... Re1 { [%eval 0.0] [%clk 0:01:20] } 79. Rh8+ { [%eval 0.0] [%clk 0:01:02] } 79... Kb7 { [%eval 0.0] [%clk 0:01:29] } 80. Rh7+ { [%eval 0.0] [%clk 0:01:11] } 80... Kb8 { [%eval 0.0] [%clk 0:01:39] } 1/2-1/2