Event: 2022 Spring Chess Classic
Site: Saint Louis, MO, United States
Date: 2022-03-07
White: Niemann, Hans
WhiteTitle: GM
WhiteElo: 2642
Black: Xiong, Jeffery
BlackTitle: GM
BlackElo: 2686
Result: 1/2-1/2
ECO: B51
Opening: Sicilian Defense: Moscow Variation
Variant: Standard
TimeControl: 40/90; G/30' +30\i

1. e4 { [%eval 0.28] [%clk 1:29:21] } 1... c5 { [%eval 0.32] [%clk 1:30:37] } 2. Nf3 { [%eval 0.0] [%clk 1:29:06] } 2... d6 { [%eval 0.0] [%clk 1:30:55] } 3. Bb5+ { [%eval 0.0] [%clk 1:29:17] } 3... Nc6 { [%eval 0.22] [%clk 1:30:30] } 4. O-O { [%eval 0.57] [%clk 1:29:25] } 4... Bd7 { [%eval 0.35] [%clk 1:30:42] } 5. Re1 { [%eval 0.48] [%clk 1:29:48] } 5... Nf6 { [%eval 0.61] [%clk 1:30:50] } 6. c3 { [%eval 0.54] [%clk 1:28:12] } 6... a6 { [%eval 0.55] [%clk 1:30:56] } 7. Bf1 { [%eval 0.33] [%clk 1:26:50] } 7... Bg4 { [%eval 0.67] [%clk 1:30:55] } 8. d4 { [%eval 0.58] [%clk 1:27:13] } 8... Bxf3 { [%eval 1.0] [%clk 1:15:54] } 9. gxf3 { [%eval 1.09] [%clk 1:27:22] } 9... cxd4 { [%eval 0.79] [%clk 1:16:06] } 10. cxd4 { [%eval 1.03] [%clk 1:27:45] } 10... d5 { [%eval 0.99] [%clk 1:16:21] } 11. e5 { [%eval 0.7] [%clk 1:26:00] } 11... Nh5 { [%eval 0.81] [%clk 1:15:46] } 12. e6?! { [%eval -0.07] } { Inaccuracy. f4 was best. } { [%clk 1:10:50] } 12... fxe6?! { [%eval 0.66] } { Inaccuracy. g6 was best. } { [%clk 1:15:34] } 13. Bh3 { [%eval 0.84] [%clk 1:10:09] } 13... g6 { [%eval 0.57] [%clk 1:15:51] } 14. Nc3 { [%eval 0.46] [%clk 1:03:57] } 14... Ng7 { [%eval 0.77] [%clk 1:07:42] } 15. Na4 { [%eval 0.99] [%clk 0:55:46] } 15... e5 { [%eval 0.72] [%clk 1:02:46] } 16. Nc5 { [%eval 0.5] [%clk 0:52:44] } 16... e6?! { [%eval 1.37] } { Inaccuracy. Kf7 was best. } { [%clk 1:00:46] } 17. Nxe6 { [%eval 1.72] [%clk 0:50:03] } 17... Nxe6 { [%eval 1.33] [%clk 1:00:51] } 18. Bxe6 { [%eval 1.4] [%clk 0:50:19] } 18... Bb4 { [%eval 1.31] [%clk 1:01:11] } 19. Rxe5 { [%eval 1.55] [%clk 0:47:23] } 19... Nxe5 { [%eval 1.46] [%clk 1:00:58] } 20. dxe5 { [%eval 1.5] [%clk 0:47:34] } 20... Qe7 { [%eval 1.52] [%clk 0:59:22] } 21. Qxd5 { [%eval 1.4] [%clk 0:45:05] } 21... Rd8 { [%eval 1.18] [%clk 0:45:31] } 22. Qb3 { [%eval 1.01] [%clk 0:45:23] } 22... Bd2 { [%eval 1.64] [%clk 0:45:18] } 23. Bxd2 { [%eval 1.25] [%clk 0:42:15] } 23... Rxd2 { [%eval 1.4] [%clk 0:45:44] } 24. Rc1 { [%eval 1.4] [%clk 0:34:56] } 24... Rd3 { [%eval 1.17] [%clk 0:43:03] } 25. Qc4?! { [%eval 0.5] } { Inaccuracy. Rc8+ was best. } { [%clk 0:27:47] } 25... Rd4 { [%eval 0.39] [%clk 0:38:46] } 26. Qxd4 { [%eval 0.38] [%clk 0:22:36] } 26... Qg5+ { [%eval 0.38] [%clk 0:39:13] } 27. Bg4 { [%eval 0.37] [%clk 0:23:00] } 27... Qxc1+ { [%eval 0.32] [%clk 0:39:23] } 28. Kg2 { [%eval 0.18] [%clk 0:23:26] } 28... Qc7? { [%eval 1.34] } { Mistake. O-O was best. } { [%clk 0:37:29] } 29. f4 { [%eval 1.12] [%clk 0:21:01] } 29... Rf8 { [%eval 1.0] [%clk 0:35:32] } 30. h4?! { [%eval 0.0] } { Inaccuracy. Kg3 was best. } { [%clk 0:18:15] } 30... Qd8 { [%eval 0.17] [%clk 0:32:53] } 31. Qa4+ { [%eval 0.0] [%clk 0:16:20] } 31... b5 { [%eval 0.0] [%clk 0:32:14] } 32. Qxa6 { [%eval 0.0] [%clk 0:13:03] } 32... Rxf4 { [%eval 0.0] [%clk 0:32:29] } 33. Qxb5+ { [%eval -0.01] [%clk 0:13:23] } 33... Kf8 { [%eval -0.17] [%clk 0:32:08] } 34. Qc5+ { [%eval 0.0] [%clk 0:11:50] } 34... Qe7 { [%eval 0.0] [%clk 0:24:33] } 35. Qxe7+ { [%eval 0.0] [%clk 0:11:01] } 35... Kxe7 { [%eval 0.0] [%clk 0:25:00] } 36. Kg3 { [%eval 0.0] [%clk 0:10:43] } 36... Rd4 { [%eval 0.0] [%clk 0:23:32] } 37. f4 { [%eval 0.0] [%clk 0:06:50] } 37... Rd2 { [%eval 0.0] [%clk 0:23:30] } 38. Bf3 { [%eval -0.05] [%clk 0:07:11] } 38... Rxb2 { [%eval 0.0] [%clk 0:19:22] } 39. Bd5 { [%eval -0.08] [%clk 0:07:34] } 39... Rd2 { [%eval -0.07] [%clk 0:17:20] } 40. Bb3 { [%eval -0.2] [%clk 0:06:52] } 40... h5 { [%eval 0.0] [%clk 0:16:28] } 41. Bc4 { [%eval -0.07] [%clk 0:04:59] } 41... Rc2 { [%eval 0.0] [%clk 0:14:13] } 42. Bd5 { [%eval -0.08] [%clk 0:04:30] } 42... Rc3+ { [%eval -0.08] [%clk 0:13:49] } 43. Kg2 { [%eval 0.0] [%clk 0:04:45] } 43... Rc2+ { [%eval 0.0] [%clk 0:10:51] } 44. Kf3 { [%eval -0.08] [%clk 0:04:03] } 44... Rc3+ { [%eval -0.07] [%clk 0:10:44] } 45. Kg2 { [%eval -0.84] [%clk 0:02:49] } 1/2-1/2