Event: 2021 US Chess Championship
Site: Saint Louis, United States
Date: 2021-10-06
White: Swiercz, Dariusz
WhiteElo: 2647
Black: Burke, John M
BlackElo: 2554
Result: 0-1
ECO: C77
Opening: Ruy Lopez: Morphy Defense, Anderssen Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:30:57] } 1... e5 { [%eval 0.12] [%clk 1:30:50] } 2. Nf3 { [%eval 0.17] [%clk 1:31:22] } 2... Nc6 { [%eval 0.12] [%clk 1:31:15] } 3. Bb5 { [%eval 0.2] [%clk 1:31:47] } 3... a6 { [%eval 0.22] [%clk 1:31:40] } 4. Ba4 { [%eval 0.4] [%clk 1:32:12] } 4... Nf6 { [%eval 0.19] [%clk 1:32:03] } 5. d3 { [%eval 0.13] [%clk 1:32:39] } 5... b5 { [%eval 0.18] [%clk 1:31:49] } 6. Bb3 { [%eval 0.13] [%clk 1:33:04] } 6... Bc5 { [%eval 0.18] [%clk 1:32:09] } 7. c3 { [%eval 0.09] [%clk 1:33:29] } 7... d6 { [%eval 0.39] [%clk 1:31:49] } 8. Bg5 { [%eval 0.08] [%clk 1:32:57] } 8... h6 { [%eval 0.08] [%clk 1:30:35] } 9. Bh4 { [%eval 0.0] [%clk 1:33:13] } 9... g5 { [%eval 0.07] [%clk 1:24:13] } 10. Bg3 { [%eval 0.2] [%clk 1:33:33] } 10... Ba7 { [%eval 0.02] [%clk 1:21:23] } 11. Nbd2 { [%eval 0.21] [%clk 1:23:39] } 11... Ne7 { [%eval 0.48] [%clk 1:00:56] } 12. d4 { [%eval 0.5] [%clk 1:20:25] } 12... exd4 { [%eval 0.97] [%clk 0:52:51] } 13. cxd4?! { [%eval 0.24] } { Inaccuracy. Nxd4 was best. } { [%clk 1:11:56] } 13... g4 { [%eval 0.56] [%clk 0:48:46] } 14. e5 { [%eval 0.33] [%clk 1:11:28] } 14... Nh5 { [%eval 0.09] [%clk 0:47:00] } 15. Nh4? { [%eval -1.09] } { Mistake. Ne4 was best. } { [%clk 0:41:42] } 15... Nxg3 { [%eval -1.06] [%clk 0:41:58] } 16. hxg3 { [%eval -0.83] [%clk 0:41:54] } 16... d5? { [%eval 0.44] } { Mistake. Bxd4 was best. } { [%clk 0:36:23] } 17. Nf1 { [%eval 0.0] [%clk 0:38:53] } 17... Be6 { [%eval 0.22] [%clk 0:30:43] } 18. Ne3 { [%eval 0.39] [%clk 0:38:56] } 18... Qd7 { [%eval 0.2] [%clk 0:29:52] } 19. Qd3 { [%eval 0.14] [%clk 0:38:37] } 19... O-O-O { [%eval 0.03] [%clk 0:24:04] } 20. a4 { [%eval 0.24] [%clk 0:36:22] } 20... Kb7 { [%eval 0.18] [%clk 0:23:51] } 21. Bc2?! { [%eval -0.64] } { Inaccuracy. O-O was best. } { [%clk 0:33:56] } 21... c6? { [%eval 0.72] } { Mistake. b4 was best. } { [%clk 0:22:44] } 22. O-O { [%eval 0.57] [%clk 0:27:57] } 22... Rhf8?! { [%eval 1.55] } { Inaccuracy. b4 was best. } { [%clk 0:20:54] } 23. Rfe1? { [%eval 0.29] } { Mistake. axb5 was best. } { [%clk 0:24:11] } 23... f6?? { [%eval 2.45] } { Blunder. b4 was best. } { [%clk 0:19:14] } 24. exf6?? { [%eval 0.05] } { Blunder. axb5 was best. } { [%clk 0:05:14] } 24... Rxf6 { [%eval 0.29] [%clk 0:19:32] } 25. axb5 { [%eval -0.12] [%clk 0:05:42] } 25... cxb5 { [%eval 0.15] [%clk 0:17:56] } 26. Qa3 { [%eval 0.0] [%clk 0:04:33] } 26... Qd6 { [%eval -0.05] [%clk 0:17:36] } 27. Nxg4 { [%eval -0.11] [%clk 0:04:57] } 27... Qxa3 { [%eval -0.26] [%clk 0:13:58] } 28. Rxa3 { [%eval -0.24] [%clk 0:04:06] } 28... Bxg4 { [%eval -0.29] [%clk 0:14:22] } 29. Rxe7+ { [%eval -0.38] [%clk 0:04:34] } 29... Rd7 { [%eval -0.45] [%clk 0:11:44] } 30. Rxd7+ { [%eval -0.18] [%clk 0:04:59] } 30... Bxd7 { [%eval -0.52] [%clk 0:12:11] } 31. Rd3 { [%eval -0.75] [%clk 0:03:06] } 31... Re6?! { [%eval 0.17] } { Inaccuracy. Rc6 was best. } { [%clk 0:10:47] } 32. Kf1?! { [%eval -0.38] } { Inaccuracy. Rd2 was best. } { [%clk 0:01:17] } 32... b4 { [%eval -0.23] [%clk 0:09:38] } 33. Rd1 { [%eval -0.33] [%clk 0:01:46] } 33... a5 { [%eval -0.31] [%clk 0:05:18] } 34. Nf5?! { [%eval -0.88] } { Inaccuracy. b3 was best. } { [%clk 0:01:25] } 34... Bb5+ { [%eval -0.71] [%clk 0:02:24] } 35. Bd3 { [%eval -0.66] [%clk 0:01:43] } 35... Bxd3+ { [%eval -0.85] [%clk 0:02:31] } 36. Rxd3 { [%eval -1.4] [%clk 0:02:11] } 36... a4 { [%eval -1.06] [%clk 0:02:54] } 37. Rd1?! { [%eval -2.01] } { Inaccuracy. f3 was best. } { [%clk 0:01:03] } 37... Kc6 { [%eval -2.02] [%clk 0:02:21] } 38. g4?! { [%eval -2.64] } { Inaccuracy. Ne3 was best. } { [%clk 0:00:36] } 38... Kb5 { [%eval -2.77] [%clk 0:02:15] } 39. Ne3 { [%eval -2.76] [%clk 0:00:34] } 39... Re4 { [%eval -2.44] [%clk 0:02:16] } 40. Rc1?? { [%eval -6.32] } { Blunder. Nf5 was best. } { [%clk 0:00:32] } 40... Bxd4 { [%eval -6.16] [%clk 0:02:03] } 41. Nxd5 { [%eval -6.28] [%clk 0:00:42] } 41... Bxb2 { [%eval -6.23] [%clk 0:01:26] } 42. Nc7+ { [%eval -6.54] [%clk 0:01:09] } 42... Ka5 { [%eval -6.41] [%clk 0:28:24] } 43. Rc6 { [%eval -6.59] [%clk 0:31:27] } 43... b3 { [%eval -6.69] [%clk 0:28:45] } 44. Rxh6 { [%eval -7.17] [%clk 0:29:24] } 44... a3 { [%eval -7.37] [%clk 0:27:29] } 45. Ra6+ { [%eval -7.13] [%clk 0:28:32] } 45... Kb4 { [%eval -7.24] [%clk 0:27:55] } 46. f3 { [%eval -7.92] [%clk 0:19:07] } 46... Re5 { [%eval -8.0] [%clk 0:27:16] } 47. f4 { [%eval -9.0] [%clk 0:19:11] } 47... Ra5 { [%eval -8.99] [%clk 0:27:10] } 0-1