Event: Round 15: Semen Khanin - Brandon Jacobson
Date: 2022-08-07
White: Semen Khanin
WhiteTitle: IM
Black: Brandon Jacobson
BlackTitle: GM
Result: 0-1
ECO: E73
Opening: King's Indian Defense: Semi-Averbakh System
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:39:14] } 1... Nf6 { [%eval 0.23] [%clk 1:31:35] } 2. c4 { [%eval 0.34] [%clk 1:39:06] } 2... g6 { [%eval 0.3] [%clk 1:31:47] } 3. Nc3 { [%eval 0.31] [%clk 1:39:31] } 3... Bg7 { [%eval 0.7] [%clk 1:32:09] } 4. e4 { [%eval 0.67] [%clk 1:39:56] } 4... d6 { [%eval 0.65] [%clk 1:32:34] } 5. Be2 { [%eval 0.13] [%clk 1:40:21] } 5... O-O { [%eval 0.45] [%clk 1:32:53] } 6. Be3 { [%eval 0.44] [%clk 1:40:47] } 6... Na6 { [%eval 0.51] [%clk 1:32:27] } 7. h4 { [%eval 0.56] [%clk 1:41:13] } 7... h5 { [%eval 0.5] [%clk 1:32:18] } 8. Nf3 { [%eval 0.51] [%clk 1:41:27] } 8... Ng4 { [%eval 0.78] [%clk 1:31:16] } 9. Bg5 { [%eval 0.7] [%clk 1:41:51] } 9... c6 { [%eval 0.66] [%clk 1:31:41] } 10. O-O { [%eval 0.82] [%clk 1:41:06] } 10... Bd7 { [%eval 0.69] [%clk 1:32:06] } 11. Rc1 { [%eval 0.75] [%clk 1:40:16] } 11... Re8 { [%eval 0.68] [%clk 1:32:18] } 12. a3 { [%eval 0.27] [%clk 1:38:01] } 12... Nc7 { [%eval 0.37] [%clk 1:31:22] } 13. d5 { [%eval 0.22] [%clk 1:31:40] } 13... a5 { [%eval 0.25] [%clk 1:31:21] } 14. Nh2 { [%eval -0.18] [%clk 1:08:18] } 14... Nf6 { [%eval 0.3] [%clk 1:20:23] } 15. f4?! { [%eval -0.28] } { Inaccuracy. Re1 was best. } { [%clk 0:57:58] } 15... cxd5 { [%eval 0.0] [%clk 1:11:17] } 16. cxd5 { [%eval -0.48] [%clk 0:57:41] } 16... b5 { [%eval -0.74] [%clk 0:56:18] } 17. b4 { [%eval 0.07] [%clk 0:44:03] } 17... axb4 { [%eval -0.28] [%clk 0:55:56] } 18. axb4 { [%eval -0.17] [%clk 0:43:06] } 18... Ra3 { [%eval -0.12] [%clk 0:41:55] } 19. e5? { [%eval -1.63] } { Mistake. f5 was best. } { [%clk 0:39:26] } 19... Rxc3 { [%eval -0.93] [%clk 0:38:36] } 20. Rxc3 { [%eval -0.85] [%clk 0:37:31] } 20... Ncxd5 { [%eval -1.12] [%clk 0:38:59] } 21. Rcf3 { [%eval -1.34] [%clk 0:33:58] } 21... Qb6+ { [%eval -1.24] [%clk 0:39:10] } 22. R1f2? { [%eval -2.66] } { Mistake. Kh1 was best. } { [%clk 0:30:32] } 22... Ne3 { [%eval -2.64] [%clk 0:27:32] } 23. Rxe3 { [%eval -2.49] [%clk 0:23:45] } 23... Qxe3 { [%eval -2.4] [%clk 0:27:55] } 24. exf6?? { [%eval -5.99] } { Blunder. Bxf6 was best. } { [%clk 0:18:50] } 24... exf6 { [%eval -5.97] [%clk 0:28:22] } 25. Qxd6 { [%eval -6.01] [%clk 0:17:02] } 25... Qa7 { [%eval -6.07] [%clk 0:26:17] } 26. Qd3 { [%eval -7.82] [%clk 0:05:19] } 26... fxg5 { [%eval -7.87] [%clk 0:26:03] } 27. Nf3 { [%eval -8.77] [%clk 0:05:47] } 27... Re3 { [%eval -8.38] [%clk 0:24:34] } 28. Qd2 { [%eval -8.61] [%clk 0:05:57] } 28... g4 { [%eval -9.25] [%clk 0:24:56] } 0-1