Event: Round 5: Keaton Kiewra - Joshua Sheng
Site: https://lichess.org/study/DyJUfSgM/n8fqwNSn
Date: 2022-09-03
White: Keaton Kiewra
WhiteTitle: IM
Black: Joshua Sheng
BlackTitle: GM
Result: 0-1
ECO: B72
Opening: Sicilian Defense: Dragon Variation, Classical Variation, Grigoriev Variation
Variant: Standard

1. e4 { [%eval 0.33] [%clk 1:30:56] } 1... c5 { [%eval 0.32] [%clk 1:30:53] } 2. Nf3 { [%eval 0.0] [%clk 1:31:20] } 2... d6 { [%eval 0.0] [%clk 1:31:21] } 3. d4 { [%eval 0.3] [%clk 1:31:09] } 3... cxd4 { [%eval 0.13] [%clk 1:31:49] } 4. Nxd4 { [%eval 0.27] [%clk 1:31:33] } 4... Nf6 { [%eval 0.31] [%clk 1:32:17] } 5. Nc3 { [%eval 0.18] [%clk 1:31:56] } 5... Nc6 { [%eval 0.47] [%clk 1:32:46] } 6. Be2 { [%eval 0.12] [%clk 1:30:58] } 6... g6 { [%eval 0.32] [%clk 1:32:48] } 7. Be3 { [%eval 0.35] [%clk 1:30:30] } 7... Bg7 { [%eval 0.24] [%clk 1:33:15] } 8. Qd2 { [%eval 0.33] [%clk 1:30:55] } 8... O-O { [%eval 0.3] [%clk 1:32:53] } 9. O-O-O { [%eval 0.52] [%clk 1:30:22] } 9... Ng4 { [%eval 0.47] [%clk 1:32:48] } 10. Bxg4 { [%eval 0.33] [%clk 1:30:26] } 10... Bxg4 { [%eval 0.24] [%clk 1:33:16] } 11. f3 { [%eval 0.24] [%clk 1:30:43] } 11... Bd7 { [%eval 0.58] [%clk 1:33:44] } 12. Nxc6 { [%eval 0.65] [%clk 1:28:38] } 12... bxc6 { [%eval 0.64] [%clk 1:34:09] } 13. Bh6 { [%eval 0.58] [%clk 1:29:00] } 13... Bh8 { [%eval 1.01] [%clk 1:29:22] } 14. Bxf8 { [%eval 0.53] [%clk 1:23:07] } 14... Qxf8?! { [%eval 1.37] } { Inaccuracy. Kxf8 was best. } { [%clk 1:25:11] } 15. f4 { [%eval 1.22] [%clk 1:23:15] } 15... Bg4 { [%eval 1.2] [%clk 1:25:01] } 16. Rde1 { [%eval 1.43] [%clk 1:23:22] } 16... Bg7 { [%eval 1.62] [%clk 1:22:23] } 17. Kb1?! { [%eval 1.02] } { Inaccuracy. h3 was best. } { [%clk 1:23:13] } 17... Qb8?? { [%eval 3.98] } { Blunder. Qd8 was best. } { [%clk 1:08:13] } 18. f5 { [%eval 3.75] [%clk 1:16:27] } 18... Qb4 { [%eval 3.61] [%clk 1:07:22] } 19. Ka1?? { [%eval 0.0] } { Blunder. a3 was best. } { [%clk 1:13:09] } 19... Rb8 { [%eval 0.02] [%clk 1:07:11] } 20. Rb1 { [%eval 0.0] [%clk 1:13:34] } 20... Qa5? { [%eval 1.15] } { Mistake. Rb6 was best. } { [%clk 0:55:03] } 21. h3? { [%eval 0.0] } { Mistake. a3 was best. } { [%clk 1:09:32] } 21... Rxb2 { [%eval 0.0] [%clk 0:47:45] } 22. Rxb2 { [%eval 0.0] [%clk 1:09:10] } 22... Bxc3 { [%eval 0.0] [%clk 0:48:14] } 23. Qd3?? { [%eval -4.48] } { Blunder. Qc1 was best. } { [%clk 1:08:49] } 23... Qb4 { [%eval -5.13] [%clk 0:48:34] } 24. Rb1?! { [%eval -7.55] } { Inaccuracy. Qxc3 was best. } { [%clk 1:08:24] } 24... a5 { [%eval -7.72] [%clk 0:48:51] } 25. hxg4 { [%eval -8.16] [%clk 0:59:29] } 25... a4 { [%eval -7.39] [%clk 0:49:20] } 26. Qd1 { [%eval -8.95] [%clk 0:56:31] } 26... a3 { [%eval #-11] [%clk 0:49:47] } 27. Qc1 { [%eval -8.94] [%clk 0:56:57] } 27... Qb5 { [%eval #-9] [%clk 0:49:44] } 28. g5 { [%eval #-9] [%clk 0:56:26] } 28... Qb4 { [%eval -10.94] [%clk 0:49:31] } 29. f6?! { [%eval #-5] } { Checkmate is now unavoidable. e5 was best. } { [%clk 0:56:07] } 29... e5 { [%eval #-4] [%clk 0:49:46] } 30. g3 { [%eval #-4] [%clk 0:56:27] } 30... Kh8 { [%eval #-3] [%clk 0:50:00] } 31. g4 { [%eval #-3] [%clk 0:56:52] } 31... Kg8 { [%eval #-2] [%clk 0:50:29] } 0-1