Event: Round 4: Donald Johnson - Eugene Yanayt
Date: 2023-09-02
White: Donald Johnson
WhiteTitle: FM
WhiteElo: 2175
Black: Eugene Yanayt
BlackTitle: FM
BlackElo: 2084
Result: 0-1
ECO: B90
Opening: Sicilian Defense: Najdorf Variation, Adams Attack
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:59] } 1... c5 { [%eval 0.32] [%clk 1:17:47] } 2. Nf3 { [%eval 0.0] [%clk 1:31:28] } 2... d6 { [%eval 0.0] [%clk 1:18:01] } 3. d4 { [%eval 0.25] [%clk 1:31:52] } 3... cxd4 { [%eval 0.13] [%clk 1:18:23] } 4. Nxd4 { [%eval 0.27] [%clk 1:32:21] } 4... Nf6 { [%eval 0.3] [%clk 1:18:41] } 5. Nc3 { [%eval 0.21] [%clk 1:32:50] } 5... a6 { [%eval 0.39] [%clk 1:18:59] } 6. h3 { [%eval 0.1] [%clk 1:33:20] } 6... e5 { [%eval 0.05] [%clk 1:18:38] } 7. Nb3 { [%eval 0.47] [%clk 1:33:48] } 7... Be7 { [%eval 0.0] [%clk 1:18:25] } 8. Be3 { [%eval 0.36] [%clk 1:33:54] } 8... O-O { [%eval 0.62] [%clk 1:18:47] } 9. g4 { [%eval 0.67] [%clk 1:29:07] } 9... h6 { [%eval 0.62] [%clk 1:19:08] } 10. Qf3 { [%eval 0.59] [%clk 1:27:24] } 10... Qc7?! { [%eval 1.65] } { Inaccuracy. b5 was best. } { [%clk 1:19:11] } 11. O-O-O { [%eval 1.33] [%clk 1:25:21] } 11... b5 { [%eval 1.15] [%clk 1:17:12] } 12. a3?! { [%eval 0.5] } { Inaccuracy. Rg1 was best. } { [%clk 1:23:30] } 12... b4 { [%eval 0.6] [%clk 1:16:12] } 13. axb4 { [%eval 0.71] [%clk 1:23:55] } 13... Nc6 { [%eval 0.52] [%clk 1:16:36] } 14. b5?! { [%eval -0.44] } { Inaccuracy. g5 was best. } { [%clk 0:53:40] } 14... axb5 { [%eval -0.45] [%clk 1:16:44] } 15. Nxb5 { [%eval -0.48] [%clk 0:53:51] } 15... Qb8 { [%eval -0.32] [%clk 1:16:56] } 16. g5 { [%eval -0.42] [%clk 0:44:53] } 16... hxg5 { [%eval -0.1] [%clk 1:17:10] } 17. Bxg5 { [%eval 0.04] [%clk 0:45:20] } 17... Nxe4 { [%eval -0.35] [%clk 1:09:33] } 18. Bxe7 { [%eval -0.67] [%clk 0:44:54] } 18... Nxe7 { [%eval -0.68] [%clk 1:09:55] } 19. Qxe4 { [%eval -0.77] [%clk 0:29:14] } 19... Bb7 { [%eval -0.79] [%clk 1:10:11] } 20. Qg4? { [%eval -2.34] } { Mistake. Qh4 was best. } { [%clk 0:24:13] } 20... Bxh1 { [%eval -2.44] [%clk 1:10:25] } 21. f3 { [%eval -2.54] [%clk 0:23:01] } 21... Qb6 { [%eval -2.65] [%clk 1:07:40] } 22. Qg5? { [%eval -4.86] } { Mistake. Kb1 was best. } { [%clk 0:15:28] } 22... Bxf3 { [%eval -4.56] [%clk 1:06:23] } 23. Rd2 { [%eval -4.87] [%clk 0:10:50] } 23... Rfc8 { [%eval -5.25] [%clk 1:03:07] } 24. h4 { [%eval -6.18] [%clk 0:08:44] } 24... Bd5 { [%eval -5.85] [%clk 0:57:40] } 25. Qxe7 { [%eval -7.17] [%clk 0:03:40] } 25... Bxb3 { [%eval -7.65] [%clk 0:57:24] } 26. Na3 { [%eval -7.84] [%clk 0:02:48] } 26... Qe3?! { [%eval -4.84] } { Inaccuracy. Qg1 was best. } { [%clk 0:55:35] } 27. Qg5?? { [%eval #-4] } { Checkmate is now unavoidable. Bd3 was best. } { [%clk 0:00:42] } 27... Qe1+ { [%eval #-3] [%clk 0:55:47] } 28. Rd1 { [%eval #-3] } 28... Rxc2+ { [%eval #-2] [%clk 0:56:07] } 29. Nxc2 { [%eval #-2] [%clk 0:01:22] } 29... Ra1+ { [%eval #-1] [%clk 0:56:27] } 30. Nxa1 { [%eval #-1] [%clk 0:01:46] } 30... Qxd1# { [%clk 0:56:48] } 0-1