Event: Round 7 - GM B: Arthur Guo - Kassa Korley
Site: https://lichess.org/study/myGv93hM/PQzUqQmX
Date: 2021-07-31
White: Arthur Guo
Black: Kassa Korley
Result: 0-1
ECO: C42
Opening: Petrov's Defense: Nimzowitsch Attack
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:28:02] } 1... e5 { [%eval 0.12] [%clk 1:30:57] } 2. Nf3 { [%eval 0.17] [%clk 1:28:08] } 2... Nf6 { [%eval 0.21] [%clk 1:31:23] } 3. Nxe5 { [%eval 0.31] [%clk 1:26:51] } 3... d6 { [%eval 0.44] [%clk 1:31:50] } 4. Nf3 { [%eval 0.29] [%clk 1:27:16] } 4... Nxe4 { [%eval 0.25] [%clk 1:32:17] } 5. Nc3 { [%eval 0.16] [%clk 1:27:41] } 5... Nxc3 { [%eval 0.17] [%clk 1:32:43] } 6. dxc3 { [%eval 0.0] [%clk 1:28:07] } 6... Be7 { [%eval 0.25] [%clk 1:33:11] } 7. Be3 { [%eval 0.19] [%clk 1:28:29] } 7... O-O { [%eval 0.39] [%clk 1:33:37] } 8. Qd2 { [%eval 0.28] [%clk 1:27:55] } 8... Nd7 { [%eval 0.25] [%clk 1:34:04] } 9. O-O-O { [%eval 0.23] [%clk 1:28:10] } 9... Nf6 { [%eval 0.36] [%clk 1:34:26] } 10. Kb1 { [%eval 0.0] [%clk 1:25:50] } 10... c5 { [%eval -0.03] [%clk 1:33:11] } 11. c4?! { [%eval -1.02] } { Inaccuracy. Bd3 was best. } { [%clk 1:23:20] } 11... b5 { [%eval -0.55] [%clk 1:29:46] } 12. Bf4 { [%eval -0.74] [%clk 1:12:47] } 12... bxc4?! { [%eval 0.0] } { Inaccuracy. Be6 was best. } { [%clk 1:01:39] } 13. Bxc4 { [%eval -0.19] [%clk 1:12:04] } 13... Bb7 { [%eval 0.0] [%clk 1:02:07] } 14. Rhe1 { [%eval 0.0] [%clk 1:04:30] } 14... Ne4 { [%eval 0.08] [%clk 0:59:14] } 15. Qe3 { [%eval 0.0] [%clk 1:02:35] } 15... Bf6 { [%eval 0.08] [%clk 0:59:25] } 16. Bd5 { [%eval -0.12] [%clk 0:55:45] } 16... Bxd5 { [%eval -0.05] [%clk 0:49:08] } 17. Rxd5 { [%eval -0.19] [%clk 0:56:10] } 17... Rb8? { [%eval 0.94] } { Mistake. Re8 was best. } { [%clk 0:43:08] } 18. Qxe4 { [%eval 0.73] [%clk 0:41:58] } 18... Rxb2+?? { [%eval 3.21] } { Blunder. Rb4 was best. } { [%clk 0:27:20] } 19. Kc1 { [%eval 2.6] [%clk 0:41:48] } 19... Rxa2 { [%eval 2.81] [%clk 0:25:33] } 20. Re3 { [%eval 2.86] [%clk 0:28:53] } 20... Qa5 { [%eval 2.99] [%clk 0:24:08] } 21. Kd1 { [%eval 3.3] [%clk 0:29:14] } 21... Qb5?! { [%eval 4.58] } { Inaccuracy. Ra4 was best. } { [%clk 0:11:30] } 22. Bxd6 { [%eval 4.69] [%clk 0:23:18] } 22... Rd8 { [%eval 4.73] [%clk 0:06:12] } 23. c4?? { [%eval 0.0] } { Blunder. Be5 was best. } { [%clk 0:10:52] } 23... Qa4+ { [%eval 0.0] [%clk 0:06:35] } 24. Ke1 { [%eval 0.0] [%clk 0:10:55] } 24... Ra1+?! { [%eval 0.65] } { Inaccuracy. Bd4 was best. } { [%clk 0:05:25] } 25. Ke2 { [%eval 0.29] [%clk 0:11:20] } 25... Bd4 { [%eval 0.47] [%clk 0:05:37] } 26. Rxd4?? { [%eval -6.3] } { Blunder. Qd3 was best. } { [%clk 0:08:05] } 26... cxd4 { [%eval -6.09] [%clk 0:06:03] } 27. Qxd4 { [%eval -6.38] [%clk 0:08:25] } 27... Qc2+ { [%eval -6.19] [%clk 0:05:04] } 28. Qd2 { [%eval -6.22] [%clk 0:05:25] } 28... Qxc4+ { [%eval -6.22] [%clk 0:05:31] } 29. Qd3 { [%eval -6.29] [%clk 0:05:42] } 29... Ra2+?! { [%eval -4.11] } { Inaccuracy. Qc6 was best. } { [%clk 0:04:33] } 30. Nd2 { [%eval -6.09] [%clk 0:05:44] } 30... Qg4+ { [%eval -6.22] [%clk 0:04:53] } 31. Rf3 { [%eval -6.32] [%clk 0:03:54] } 31... h6?? { [%eval -2.12] } { Blunder. Re8+ was best. } { [%clk 0:03:07] } 32. Qd5 { [%eval -2.19] [%clk 0:02:59] } 32... Re8+ { [%eval -2.44] [%clk 0:02:42] } 33. Kd3?! { [%eval -3.73] } { Inaccuracy. Be5 was best. } { [%clk 0:03:24] } 33... Qg6+ { [%eval -3.76] [%clk 0:02:56] } 34. Rf5 { [%eval -3.76] [%clk 0:02:44] } 34... Rd8 { [%eval -3.6] [%clk 0:02:19] } 35. Ne4 { [%eval -3.88] [%clk 0:01:11] } 35... Ra6 { [%eval -3.79] [%clk 0:02:06] } 36. Ke3 { [%eval -4.08] [%clk 0:00:53] } 36... Raxd6 { [%eval -3.68] [%clk 0:01:56] } 37. Nxd6 { [%eval -4.07] [%clk 0:01:19] } 37... Rxd6 { [%eval -3.94] [%clk 0:02:22] } 38. Qb5 { [%clk 0:01:01] } 38... Re6+ { [%clk 0:02:01] } 39. Kd2 { [%clk 0:01:10] } 39... Kh7 { [%clk 0:01:46] } 40. Rf3 { [%clk 0:00:56] } 40... Rd6+ { [%clk 0:01:55] } 41. Ke2 { [%clk 0:00:43] } 41... Qc2+ { [%clk 0:02:17] } 42. Ke3 { [%clk 0:01:11] } 42... Qd2+ { [%clk 0:02:39] } 43. Kd4 0-1