Event: 2021 U.S. Open
Site: Cherry Hill, New Jersey, USA
Date: 2021-07-31
White: Lenderman, Aleksandr
WhiteTitle: GM
WhiteElo: 2607
Black: Bernui, Lucas
Result: 1-0
ECO: A01
Opening: Nimzo-Larsen Attack: Classical Variation
Variant: Standard
TimeControl: 40/6000+30:1800+30

1. b3 { [%eval 0.0] [%clk 1:40:49] } 1... d5 { [%eval 0.36] [%clk 1:40:41] } 2. Bb2 { [%eval 0.09] [%clk 1:41:14] } 2... c5 { [%eval 0.33] [%clk 1:40:46] } 3. e3 { [%eval 0.04] [%clk 1:41:34] } 3... Nc6 { [%eval 0.12] [%clk 1:40:55] } 4. Nf3 { [%eval 0.13] [%clk 1:40:48] } 4... Bg4 { [%eval 0.43] [%clk 1:39:04] } 5. Bb5 { [%eval 0.34] [%clk 1:40:16] } 5... Rc8 { [%eval 0.46] [%clk 1:38:17] } 6. h3 { [%eval 0.55] [%clk 1:40:35] } 6... Bxf3 { [%eval 0.63] [%clk 1:34:30] } 7. Qxf3 { [%eval 0.58] [%clk 1:41:03] } 7... a6 { [%eval 0.79] [%clk 1:34:02] } 8. Bxc6+ { [%eval 0.76] [%clk 1:40:15] } 8... Rxc6 { [%eval 0.57] [%clk 1:34:06] } 9. O-O { [%eval 0.76] [%clk 1:40:32] } 9... Nf6 { [%eval 0.69] [%clk 1:33:11] } 10. d3 { [%eval 0.64] [%clk 1:38:33] } 10... g6 { [%eval 0.72] [%clk 1:29:12] } 11. c4 { [%eval 0.76] [%clk 1:37:49] } 11... dxc4 { [%eval 0.7] [%clk 1:26:09] } 12. dxc4 { [%eval 0.85] [%clk 1:38:17] } 12... Bg7 { [%eval 0.8] [%clk 1:25:23] } 13. Rd1 { [%eval 0.67] [%clk 1:38:32] } 13... Qc8 { [%eval 0.78] [%clk 1:17:58] } 14. Nc3 { [%eval 0.75] [%clk 1:38:33] } 14... Nd7?! { [%eval 1.43] } { Inaccuracy. O-O was best. } { [%clk 1:12:45] } 15. Rd2 { [%eval 1.37] [%clk 1:38:32] } 15... Ne5? { [%eval 3.06] } { Mistake. O-O was best. } { [%clk 1:08:50] } 16. Qg3?! { [%eval 2.21] } { Inaccuracy. Qe2 was best. } { [%clk 1:37:33] } 16... O-O { [%eval 2.18] [%clk 0:58:24] } 17. Rad1 { [%eval 2.32] [%clk 1:37:59] } 17... f5?! { [%eval 3.62] } { Inaccuracy. Re6 was best. } { [%clk 0:42:14] } 18. Nd5 { [%eval 4.25] [%clk 1:38:11] } 18... Qe6 { [%eval 4.35] [%clk 0:40:23] } 19. Nf4 { [%eval 3.59] [%clk 1:38:32] } 19... Qf7 { [%eval 4.26] [%clk 0:33:19] } 20. Rd5? { [%eval 2.42] } { Mistake. Nd5 was best. } { [%clk 1:38:34] } 20... Nf3+?? { [%eval 4.98] } { Blunder. Rd6 was best. } { [%clk 0:31:52] } 21. Qxf3 { [%eval 5.1] [%clk 1:36:51] } 21... Bxb2 { [%eval 5.14] [%clk 0:32:13] } 22. Nd3 { [%eval 5.22] [%clk 1:36:26] } 22... Bg7 { [%eval 5.17] [%clk 0:29:04] } 23. Nxc5 { [%eval 5.37] [%clk 1:36:09] } 23... Rc7 { [%eval 6.25] [%clk 0:17:53] } 24. Nd7?! { [%eval 4.76] } { Inaccuracy. Qg3 was best. } { [%clk 1:31:50] } 24... Rfc8 { [%eval 6.02] [%clk 0:15:46] } 25. Nb6 { [%eval 6.55] [%clk 1:31:56] } 25... Re8 { [%eval 6.71] [%clk 0:15:44] } 26. Rd7 { [%eval 6.4] [%clk 1:32:13] } 26... Rxd7 { [%eval 6.84] [%clk 0:13:35] } 27. Rxd7 { [%eval 6.23] [%clk 1:32:29] } 27... Qf6 { [%eval 6.46] [%clk 0:13:13] } 28. Qxb7 { [%eval 6.7] [%clk 1:30:35] } 28... Qa1+ { [%eval 6.67] [%clk 0:12:54] } 29. Kh2 { [%eval 6.61] [%clk 1:31:03] } 29... Be5+ { [%eval 6.92] [%clk 0:04:35] } 30. f4 { [%eval 7.1] [%clk 1:31:16] } 30... Bf6 { [%eval 6.99] [%clk 0:00:46] } 31. Nd5 { [%eval 7.09] [%clk 1:31:29] } 31... Kf7 { [%eval 7.51] [%clk 0:01:00] } 32. Nc7 { [%eval 8.14] [%clk 1:30:03] } 32... Rh8 { [%eval 7.92] [%clk 0:00:35] } 33. Qd5+ { [%eval 8.29] [%clk 1:30:17] } 33... Kg7 { [%eval 8.22] [%clk 0:01:04] } 34. Ne6+ { [%eval 7.41] [%clk 1:30:39] } 34... Kh6 { [%eval 7.16] [%clk 0:01:29] } 35. Qd2 { [%eval 7.36] [%clk 1:27:06] } 35... Qf1 { [%eval 8.07] [%clk 0:00:43] } 36. c5 { [%eval 7.03] [%clk 1:24:16] } 36... Rg8 { [%eval 8.75] [%clk 0:00:51] } 37. Rd8 { [%eval 7.28] [%clk 1:21:17] } 37... Rxd8 { [%eval 17.7] [%clk 0:00:43] } 38. Qxd8 { [%eval 13.17] [%clk 1:21:41] } 38... Qf2?! { [%eval #9] } { Checkmate is now unavoidable. Qb5 was best. } { [%clk 0:00:53] } 39. c6? { [%eval 7.3] } { Lost forced checkmate sequence. Qf8+ was best. } { [%clk 1:21:03] } 39... Bh4? { [%eval #4] } { Checkmate is now unavoidable. Qxe3 was best. } { [%clk 0:00:33] } 40. Qf8+ { [%eval #3] [%clk 1:51:27] } 40... Kh5 { [%eval #3] [%clk 0:31:00] } 41. Ng7+ { [%eval #2] [%clk 1:51:53] } 41... Kh6 { [%eval #2] [%clk 0:30:36] } 42. Nxf5+ { [%eval #1] [%clk 1:52:20] } 42... Kh5 { [%eval #1] [%clk 0:30:56] } 43. Nxh4 { [%eval #5] [%clk 1:52:42] } 43... Qxh4 { [%eval #5] [%clk 0:29:30] } 1-0