Event: 2021 US Chess Championship
Site: Saint Louis, United States
Date: 2021-10-12
White: Robson, Ray
WhiteElo: 2669
Black: Lenderman, Aleksandr
BlackElo: 2607
Result: 1/2-1/2
ECO: B31
Opening: Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation
Variant: Standard

1. e4 { [%eval 0.28] [%clk 1:30:55] } 1... c5 { [%eval 0.32] [%clk 1:30:55] } 2. Nf3 { [%eval 0.0] [%clk 1:31:05] } 2... Nc6 { [%eval 0.49] [%clk 1:31:20] } 3. Bb5 { [%eval 0.0] [%clk 1:30:44] } 3... g6 { [%eval 0.13] [%clk 1:31:44] } 4. Bxc6 { [%eval 0.25] [%clk 1:29:51] } 4... bxc6 { [%eval 0.32] [%clk 1:32:06] } 5. d4 { [%eval 0.25] [%clk 1:29:05] } 5... cxd4 { [%eval 0.25] [%clk 1:32:30] } 6. Qxd4 { [%eval 0.46] [%clk 1:28:55] } 6... f6 { [%eval 0.5] [%clk 1:32:55] } 7. Qa4 { [%eval 0.05] [%clk 1:27:37] } 7... Qb6 { [%eval 0.7] [%clk 1:33:18] } 8. c4 { [%eval 0.3] [%clk 1:18:52] } 8... Qa6 { [%eval 0.12] [%clk 1:33:36] } 9. Qc2 { [%eval 0.36] [%clk 1:16:55] } 9... d5 { [%eval 0.24] [%clk 1:33:48] } 10. cxd5 { [%eval 0.37] [%clk 1:11:13] } 10... cxd5 { [%eval 0.39] [%clk 1:34:04] } 11. exd5 { [%eval 0.46] [%clk 1:11:03] } 11... Bf5 { [%eval 0.34] [%clk 1:34:28] } 12. Qe2 { [%eval 0.14] [%clk 1:08:25] } 12... Bd3 { [%eval 0.37] [%clk 1:34:44] } 13. Qe6 { [%eval 0.39] [%clk 1:07:46] } 13... Qxe6+ { [%eval 0.05] [%clk 1:35:03] } 14. dxe6 { [%eval 0.43] [%clk 1:08:11] } 14... Nh6 { [%eval 0.12] [%clk 1:34:36] } 15. Nc3 { [%eval 0.16] [%clk 0:50:03] } 15... Nf5 { [%eval 0.29] [%clk 1:33:22] } 16. Nd5 { [%eval 0.33] [%clk 0:28:21] } 16... O-O-O { [%eval 0.2] [%clk 1:30:07] } 17. Nb4 { [%eval 0.4] [%clk 0:24:32] } 17... Bc4 { [%eval 0.21] [%clk 1:27:05] } 18. g4 { [%eval 0.47] [%clk 0:16:23] } 18... Ng7 { [%eval 0.41] [%clk 1:15:18] } 19. Be3 { [%eval 0.0] [%clk 0:16:27] } 19... Kb7?! { [%eval 0.56] } { Inaccuracy. Bxe6 was best. } { [%clk 1:14:01] } 20. Rc1?! { [%eval 0.02] } { Inaccuracy. Nd4 was best. } { [%clk 0:16:32] } 20... Rc8 { [%eval 0.32] [%clk 1:12:33] } 21. Nd4 { [%eval 0.41] [%clk 0:16:49] } 21... Bxe6 { [%eval 0.33] [%clk 1:07:26] } 22. O-O { [%eval 0.38] [%clk 0:16:30] } 22... Bxg4 { [%eval 0.43] [%clk 1:05:07] } 23. Nb3 { [%eval 0.22] [%clk 0:14:34] } 23... e5 { [%eval 0.03] [%clk 1:02:53] } 24. Na5+ { [%eval 0.16] [%clk 0:14:18] } 24... Ka8 { [%eval 0.09] [%clk 1:02:40] } 25. Rxc8+ { [%eval -0.19] [%clk 0:11:08] } 25... Bxc8 { [%eval -0.1] [%clk 1:02:57] } 26. Nd5 { [%eval -0.31] [%clk 0:11:25] } 26... Bd6 { [%eval -0.04] [%clk 0:59:45] } 27. Nxf6 { [%eval -0.25] [%clk 0:11:29] } 27... Nf5 { [%eval -0.45] [%clk 0:58:22] } 28. Rd1 { [%eval -0.39] [%clk 0:09:39] } 28... Be6 { [%eval -0.03] [%clk 0:51:03] } 29. a3?! { [%eval -0.91] } { Inaccuracy. Nc6 was best. } { [%clk 0:09:23] } 29... Rc8 { [%eval -0.88] [%clk 0:45:52] } 30. b4 { [%eval -0.78] [%clk 0:08:52] } 30... Nxe3 { [%eval -0.92] [%clk 0:39:28] } 31. fxe3 { [%eval -0.79] [%clk 0:09:19] } 31... Be7 { [%eval -0.75] [%clk 0:39:09] } 32. Nd5 { [%eval -0.62] [%clk 0:07:34] } 32... Bd8 { [%eval -0.28] [%clk 0:36:31] } 33. Nb3?! { [%eval -0.93] } { Inaccuracy. e4 was best. } { [%clk 0:06:35] } 33... Bb6 { [%eval -0.81] [%clk 0:36:09] } 34. Kf2 { [%eval -0.83] [%clk 0:05:45] } 34... Rc2+ { [%eval -0.75] [%clk 0:31:21] } 35. Kf3 { [%eval -0.97] [%clk 0:04:02] } 35... Rxh2?! { [%eval -0.32] } { Inaccuracy. Bd4 was best. } { [%clk 0:20:40] } 36. Nc5 { [%eval -0.33] [%clk 0:03:46] } 36... Bf5 { [%eval -0.29] [%clk 0:08:34] } 37. e4 { [%eval -0.27] [%clk 0:02:02] } 37... Bc8 { [%eval -0.06] [%clk 0:08:14] } 38. Ne7 { [%eval -0.25] [%clk 0:01:48] } 38... Kb8 { [%eval -0.18] [%clk 0:07:12] } 39. Nc6+ { [%eval -0.35] [%clk 0:00:34] } 39... Kc7 { [%eval -0.25] [%clk 0:06:19] } 40. Nxe5 { [%eval -0.29] [%clk 0:00:48] } 40... Bxc5 { [%eval 0.0] [%clk 0:05:28] } 41. Rc1 { [%eval 0.0] [%clk 0:24:32] } 41... Rh3+ { [%eval 0.0] [%clk 0:33:50] } 42. Kf4 { [%eval 0.0] [%clk 0:24:13] } 42... Rh4+ { [%eval 0.0] [%clk 0:26:22] } 43. Kf3 { [%eval 0.0] [%clk 0:23:32] } 43... Rh3+ { [%eval 0.0] [%clk 0:25:49] } 44. Kf4 { [%eval 0.0] [%clk 0:23:45] } 44... Rh4+ { [%eval 0.0] [%clk 0:26:09] } 45. Kf3 { [%eval 0.0] [%clk 0:24:04] } 45... Rh3+ { [%eval 0.0] [%clk 0:26:34] } 46. Kf4 { [%eval 0.0] } 1/2-1/2