Event: K12 Championships Round 5: Donald Johnson - Arthur Guo
Date: 2021-12-04
White: Donald Johnson
Black: Arthur Guo
Result: 1-0
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Adams Attack
Variant: Standard

1. e4 { [%eval 0.2] [%clk 1:29:42] } 1... c5 { [%eval 0.32] [%clk 1:29:34] } 2. Nf3 { [%eval 0.0] [%clk 1:29:42] } 2... d6 { [%eval 0.0] [%clk 1:29:26] } 3. d4 { [%eval 0.15] [%clk 1:29:42] } 3... cxd4 { [%eval 0.13] [%clk 1:29:25] } 4. Nxd4 { [%eval 0.41] [%clk 1:29:34] } 4... Nf6 { [%eval 0.14] } 5. Nc3 { [%eval 0.18] } 5... a6 { [%eval 0.21] [%clk 1:29:12] } 6. h3 { [%eval 0.1] [%clk 1:29:34] } 6... e5 { [%eval 0.05] [%clk 1:29:00] } 7. Nb3 { [%eval 0.03] [%clk 1:29:29] } 7... Be7 { [%eval 0.0] [%clk 1:28:52] } 8. Be3 { [%eval 0.75] [%clk 1:29:04] } 8... Be6 { [%eval 0.25] [%clk 1:26:44] } 9. Qf3 { [%eval 0.71] [%clk 1:28:23] } 9... O-O { [%eval 0.1] [%clk 1:25:31] } 10. O-O-O { [%eval 0.22] [%clk 1:27:48] } 10... b5 { [%eval 0.01] [%clk 1:24:17] } 11. g4 { [%eval 0.18] [%clk 1:27:46] } 11... b4 { [%eval 0.15] [%clk 1:24:16] } 12. Nd5 { [%eval 0.27] [%clk 1:27:46] } 12... Nxd5 { [%eval 0.16] [%clk 1:24:15] } 13. exd5 { [%eval 0.1] [%clk 1:27:46] } 13... Bc8 { [%eval 0.08] [%clk 1:24:10] } 14. Bd3 { [%eval 0.13] [%clk 1:27:16] } 14... a5 { [%eval 0.09] [%clk 1:20:22] } 15. Nd2 { [%eval 0.11] [%clk 1:26:30] } 15... Qc7 { [%eval 0.29] [%clk 1:17:09] } 16. h4 { [%eval 0.23] [%clk 1:24:50] } 16... Ba6 { [%eval 0.39] [%clk 1:10:07] } 17. Bf5 { [%eval 0.25] [%clk 1:24:45] } 17... a4 { [%eval 0.32] [%clk 1:04:56] } 18. h5 { [%eval 0.32] [%clk 1:23:15] } 18... Nd7 { [%eval 0.49] [%clk 0:53:55] } 19. g5 { [%eval 0.75] [%clk 1:15:39] } 19... a3 { [%eval 0.86] [%clk 0:48:56] } 20. b3 { [%eval 0.25] [%clk 1:13:07] } 20... Rac8?? { [%eval 3.18] } { Blunder. Qc3 was best. } { [%clk 0:45:55] } 21. c4 { [%eval 2.96] [%clk 1:01:44] } 21... bxc3 { [%eval 2.91] [%clk 0:40:40] } 22. Ne4 { [%eval 2.83] [%clk 1:01:25] } 22... c2 { [%eval 3.43] [%clk 0:38:10] } 23. Rd2 { [%eval 3.49] [%clk 0:51:02] } 23... f6?? { [%eval 9.41] } { Blunder. Rb8 was best. } { [%clk 0:20:06] } 24. g6 { [%eval 10.53] [%clk 0:41:21] } 24... h6 { [%eval 15.38] [%clk 0:16:55] } 25. Be6+ { [%eval 15.68] [%clk 0:40:06] } 25... Kh8 { [%eval 14.15] [%clk 0:16:55] } 26. Bxh6 { [%eval 13.85] [%clk 0:39:16] } 26... f5?! { [%eval #8] } { Checkmate is now unavoidable. Rg8 was best. } { [%clk 0:13:04] } 27. Bxg7+ { [%eval #7] [%clk 0:38:18] } 27... Kxg7 { [%eval #7] [%clk 0:13:04] } 28. h6+ { [%eval #6] [%clk 0:38:06] } 28... Kh8 { [%eval #6] [%clk 0:12:54] } 29. g7+ { [%eval #5] [%clk 0:37:56] } 29... Kh7 { [%eval #5] [%clk 0:12:54] } 30. Bxf5+ { [%eval #4] [%clk 0:37:27] } 30... Kg8 { [%eval #4] [%clk 0:12:54] } 31. Qg4 { [%eval #4] [%clk 0:36:46] } 31... Nb8 { [%eval #2] } 1-0