Event: 2020 U.S. Championship
Site: https://lichess.org/F7Phm5v7
Date: 2020-10-29
White: Hikaru Nakamura
WhiteTitle: GM
WhiteElo: 2788
Black: Dariusz Swiercz
BlackTitle: GM
BlackElo: 2708
Result: 1/2-1/2
ECO: A00
Opening: Polish Opening
Variant: Standard
TimeControl: 1500+5
Termination: Normal

1. b4 { [%eval 0.0] [%clk 0:25:00] } 1... e5 { [%eval 0.25] [%clk 0:25:00] } 2. Bb2 { [%eval 0.23] [%clk 0:25:03] } 2... Bxb4 { [%eval 0.52] [%clk 0:25:03] } 3. Bxe5 { [%eval 0.0] [%clk 0:25:06] } 3... Nf6 { [%eval 0.4] [%clk 0:25:07] } 4. Nf3 { [%eval 0.12] [%clk 0:25:10] } 4... O-O { [%eval 0.29] [%clk 0:25:01] } 5. e3 { [%eval 0.17] [%clk 0:25:13] } 5... d5 { [%eval 0.13] [%clk 0:24:56] } 6. c4 { [%eval 0.33] [%clk 0:25:14] } 6... Nc6 { [%eval 0.4] [%clk 0:23:47] } 7. Bb2 { [%eval 0.13] [%clk 0:25:16] } 7... Re8 { [%eval 0.56] [%clk 0:20:31] } 8. a3 { [%eval 0.21] [%clk 0:25:05] } 8... Bd6 { [%eval 0.31] [%clk 0:19:49] } 9. cxd5 { [%eval 0.19] [%clk 0:25:05] } 9... Nxd5 { [%eval 0.25] [%clk 0:19:52] } 10. Be2 { [%eval -0.05] [%clk 0:25:09] } 10... Qd7 { [%eval 0.13] [%clk 0:19:36] } 11. Qc2 { [%eval 0.0] [%clk 0:23:44] } 11... Qf5 { [%eval 0.0] [%clk 0:17:44] } 12. Qxf5 { [%eval 0.0] [%clk 0:23:32] } 12... Bxf5 { [%eval 0.0] [%clk 0:17:49] } 13. Nc3 { [%eval 0.0] [%clk 0:23:36] } 13... Nxc3 { [%eval -0.03] [%clk 0:15:19] } 14. Bxc3 { [%eval -0.05] [%clk 0:23:41] } 14... Ne5 { [%eval 0.16] [%clk 0:15:23] } 15. Nh4 { [%eval 0.05] [%clk 0:22:05] } 15... Be4 { [%eval -0.01] [%clk 0:12:00] } 16. d4 { [%eval 0.01] [%clk 0:22:02] } 16... Ng6 { [%eval 0.13] [%clk 0:11:32] } 17. Nxg6 { [%eval 0.13] [%clk 0:21:55] } 17... Bxg6 { [%eval 0.52] [%clk 0:10:38] } 18. Bf3 { [%eval 0.61] [%clk 0:19:00] } 18... Rab8 { [%eval 0.39] [%clk 0:10:40] } 19. Bb4 { [%eval 0.47] [%clk 0:18:58] } 19... Rec8 { [%eval 0.58] [%clk 0:09:31] } 20. Rc1 { [%eval 0.62] [%clk 0:18:55] } 20... a5 { [%eval 0.5] [%clk 0:07:18] } 21. Bxd6 { [%eval 0.39] [%clk 0:18:41] } 21... cxd6 { [%eval 0.42] [%clk 0:07:22] } 22. Kd2 { [%eval 0.43] [%clk 0:18:46] } 22... b5 { [%eval 0.64] [%clk 0:07:07] } 23. Bb7 { [%eval 0.75] [%clk 0:17:58] } 23... Rc4 { [%eval 0.28] [%clk 0:06:45] } 24. Bd5 { [%eval 0.4] [%clk 0:17:44] } 24... Ra4 { [%eval 0.09] [%clk 0:05:54] } 25. Ra1 { [%eval 0.13] [%clk 0:17:47] } 25... b4 { [%eval 0.44] [%clk 0:05:53] } 26. axb4 { [%eval 0.39] [%clk 0:17:51] } 26... Raxb4 { [%eval 0.38] [%clk 0:05:49] } 27. Rhc1 { [%eval 0.21] [%clk 0:17:54] } 27... a4 { [%eval 0.28] [%clk 0:04:39] } 28. Ke1 { [%eval 0.0] [%clk 0:17:35] } 28... h5?! { [%eval 0.63] } { Inaccuracy. Kf8 was best. } { [%clk 0:03:48] } 29. Bc6?! { [%eval 0.1] } { Inaccuracy. Rc6 was best. } { [%clk 0:17:35] } 29... Rc8 { [%eval -0.12] [%clk 0:03:03] } 30. d5 { [%eval -0.24] [%clk 0:17:29] } 30... Rc7 { [%eval -0.05] [%clk 0:02:24] } 31. Rc3 { [%eval 0.0] [%clk 0:16:57] } 31... Be4 { [%eval -0.02] [%clk 0:01:59] } 32. Rca3 { [%eval -0.1] [%clk 0:16:59] } 32... Ra7 { [%eval 0.0] [%clk 0:01:52] } 33. f3 { [%eval 0.01] [%clk 0:16:52] } 33... Bc2 { [%eval 0.05] [%clk 0:01:46] } 34. Kd2 { [%eval 0.0] [%clk 0:16:47] } 34... Bb3 { [%eval 0.01] [%clk 0:01:48] } 35. e4 { [%eval 0.08] [%clk 0:16:23] } 35... g5 { [%eval 0.0] [%clk 0:01:35] } 36. Rc1 { [%eval 0.0] [%clk 0:16:12] } 36... Kg7 { [%eval -0.09] [%clk 0:01:27] } 37. Ke3?! { [%eval -0.67] } { Inaccuracy. Rb1 was best. } { [%clk 0:15:48] } 37... Re7?! { [%eval 0.0] } { Inaccuracy. f5 was best. } { [%clk 0:01:18] } 38. Rb1 { [%eval 0.0] [%clk 0:15:04] } 38... Rc4 { [%eval 0.0] [%clk 0:00:37] } 39. Kd3 { [%eval 0.0] [%clk 0:14:53] } 39... Rc2 { [%eval 0.0] [%clk 0:00:37] } 40. Bxa4 { [%eval 0.0] [%clk 0:12:42] } 40... Bxa4 { [%eval 0.0] [%clk 0:00:42] } 41. Rxa4 { [%eval 0.0] [%clk 0:12:47] } 41... Rxg2 { [%eval -0.12] [%clk 0:00:46] } 42. Rb6?? { [%eval -1.86] } { Blunder. Ra6 was best. } { [%clk 0:12:16] } 42... Rd7?? { [%eval 0.0] } { Blunder. Rxh2 was best. } { [%clk 0:00:24] } 43. Raa6 { [%eval 0.0] [%clk 0:12:11] } 43... Rxh2 { [%eval 0.0] [%clk 0:00:28] } 44. Rxd6 { [%eval 0.0] [%clk 0:12:15] } 44... Rxd6 { [%eval 0.0] [%clk 0:00:20] } 45. Rxd6 { [%eval 0.0] [%clk 0:12:20] } 45... h4 { [%eval 0.0] [%clk 0:00:24] } 46. Rc6 { [%eval 0.0] [%clk 0:08:02] } 46... h3 { [%eval 0.0] [%clk 0:00:29] } 47. d6? { [%eval -1.23] } { Mistake. Rc1 was best. } { [%clk 0:07:56] } 47... Rh1 { [%eval -1.17] [%clk 0:00:13] } 48. Rc2 { [%eval -1.04] [%clk 0:07:21] } 48... Rd1+? { [%eval 0.0] } { Mistake. h2 was best. } { [%clk 0:00:13] } 49. Ke3 { [%eval 0.0] [%clk 0:07:10] } 49... Rxd6 { [%eval 0.0] [%clk 0:00:16] } 50. Kf2 { [%eval 0.0] [%clk 0:07:14] } 50... h2 { [%eval 0.0] [%clk 0:00:12] } 51. Kg2 { [%eval 0.0] [%clk 0:07:16] } 51... Rh6 { [%eval 0.0] [%clk 0:00:16] } 52. Kh1 { [%eval -0.01] [%clk 0:07:21] } 52... Rh3 { [%eval -0.12] [%clk 0:00:16] } 53. Rc5 { [%eval -0.38] [%clk 0:06:55] } 53... Kg6 { [%eval -0.38] [%clk 0:00:11] } 54. Rc6+ { [%eval -0.38] [%clk 0:06:59] } 54... Kg7 { [%eval -0.38] [%clk 0:00:10] } 55. Rc5 { [%eval -0.28] [%clk 0:07:02] } 55... f6 { [%eval -0.36] [%clk 0:00:14] } 56. e5 { [%eval -0.17] [%clk 0:07:03] } 56... f5 { [%eval -0.33] [%clk 0:00:08] } 57. e6 { [%eval -0.29] [%clk 0:07:03] } 57... Rxf3 { [%eval 0.0] [%clk 0:00:07] } 58. Re5 { [%eval 0.0] [%clk 0:06:52] } 58... Kf8 { [%eval 0.0] [%clk 0:00:10] } 59. e7+ { [%eval 0.0] [%clk 0:06:54] } 59... Ke8 { [%eval 0.0] [%clk 0:00:14] } 60. Kxh2 { [%eval 0.0] [%clk 0:06:59] } 60... g4 { [%eval 0.0] [%clk 0:00:11] } 61. Kg2 { [%eval 0.0] [%clk 0:07:02] } 61... Rf4 { [%eval 0.0] [%clk 0:00:15] } 62. Kg3 { [%eval 0.0] [%clk 0:07:02] } 62... Re4 { [%eval 0.0] [%clk 0:00:07] } 63. Rxf5 { [%eval 0.0] [%clk 0:07:04] } 63... Kxe7 { [%eval 0.0] [%clk 0:00:10] } 64. Ra5 { [%eval 0.0] [%clk 0:07:08] } 64... Rb4 { [%eval 0.0] [%clk 0:00:13] } 65. Rh5 { [%eval 0.0] [%clk 0:07:11] } 65... Kf6 { [%eval 0.0] [%clk 0:00:17] } 66. Ra5 { [%eval 0.0] [%clk 0:07:15] } 66... Kg6 { [%eval 0.0] [%clk 0:00:21] } 67. Rd5 { [%eval 0.0] [%clk 0:07:19] } 67... Kf6 { [%eval 0.0] [%clk 0:00:26] } 68. Ra5 { [%eval 0.0] [%clk 0:07:23] } 68... Kg6 { [%eval 0.0] [%clk 0:00:30] } 69. Rd5 { [%eval 0.0] [%clk 0:07:27] } 69... Kf6 { [%clk 0:00:35] } 70. Ra5 { [%clk 0:07:31] } 1/2-1/2