Event: Round 5: Donald Johnson - James L Nguyen
Date: 2023-08-04
White: Donald Johnson
WhiteTitle: FM
Black: James L Nguyen
BlackTitle: FM
Result: 1-0
ECO: B33
Opening: Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation
Variant: Standard

1. e4 { [%eval 0.36] [%clk 1:30:57] } 1... c5 { [%eval 0.32] [%clk 1:30:54] } 2. Nf3 { [%eval 0.0] [%clk 1:30:46] } 2... Nc6 { [%eval 0.0] [%clk 1:31:18] } 3. d4 { [%eval 0.33] [%clk 1:31:15] } 3... cxd4 { [%eval 0.38] [%clk 1:31:40] } 4. Nxd4 { [%eval 0.29] [%clk 1:31:40] } 4... Nf6 { [%eval 0.36] [%clk 1:31:57] } 5. Nc3 { [%eval 0.32] [%clk 1:32:10] } 5... e5 { [%eval 0.13] [%clk 1:32:06] } 6. Ndb5 { [%eval 0.38] } 6... d6 { [%eval 0.35] [%clk 1:32:24] } 7. Bg5 { [%eval 0.0] [%clk 1:33:06] } 7... a6 { [%eval 0.25] [%clk 1:32:44] } 8. Na3 { [%eval 0.3] [%clk 1:33:34] } 8... b5 { [%eval 0.28] [%clk 1:33:08] } 9. Bxf6 { [%eval 0.22] [%clk 1:33:44] } 9... gxf6 { [%eval 0.25] [%clk 1:33:21] } 10. Nd5 { [%eval 0.21] [%clk 1:34:13] } 10... f5 { [%eval 0.2] [%clk 1:33:29] } 11. c3 { [%eval 0.11] [%clk 1:34:38] } 11... Bg7 { [%eval 0.16] [%clk 1:32:22] } 12. exf5 { [%eval 0.24] [%clk 1:34:59] } 12... Bxf5 { [%eval 0.21] [%clk 1:32:05] } 13. Nc2 { [%eval 0.21] [%clk 1:34:51] } 13... O-O { [%eval 0.19] [%clk 1:31:30] } 14. Nce3 { [%eval 0.14] [%clk 1:35:13] } 14... Be6 { [%eval 0.09] [%clk 1:28:16] } 15. Bd3 { [%eval 0.11] [%clk 1:35:00] } 15... f5 { [%eval 0.14] [%clk 1:27:52] } 16. O-O { [%eval 0.13] [%clk 1:34:54] } 16... e4 { [%eval 0.13] [%clk 1:23:11] } 17. Nf4 { [%eval 0.14] [%clk 1:34:57] } 17... Bf7 { [%eval 0.18] [%clk 1:22:25] } 18. Bc2 { [%eval 0.17] [%clk 1:28:52] } 18... Be5 { [%eval 0.41] [%clk 1:16:15] } 19. Ned5?! { [%eval -0.14] } { Inaccuracy. Nfd5 was best. } { [%clk 1:25:40] } 19... Ne7 { [%eval 0.0] [%clk 1:14:13] } 20. a4?! { [%eval -0.82] } { Inaccuracy. Bb3 was best. } { [%clk 1:22:36] } 20... Nxd5 { [%eval -0.35] [%clk 1:11:44] } 21. Nxd5 { [%eval -0.26] [%clk 1:18:04] } 21... Qh4?! { [%eval 0.77] } { Inaccuracy. bxa4 was best. } { [%clk 1:11:26] } 22. g3 { [%eval 0.79] [%clk 1:17:57] } 22... Qh3 { [%eval 0.94] [%clk 1:08:41] } 23. f4 { [%eval 1.1] [%clk 1:16:01] } 23... Bg7 { [%eval 1.57] [%clk 1:03:35] } 24. Bb3 { [%eval 1.2] [%clk 1:08:02] } 24... Kh8 { [%eval 1.64] [%clk 0:59:21] } 25. Ne3 { [%eval 1.21] [%clk 1:08:01] } 25... Bh5 { [%eval 1.23] [%clk 0:57:41] } 26. Qd2 { [%eval 1.19] [%clk 1:07:36] } 26... b4 { [%eval 1.35] [%clk 0:54:51] } 27. cxb4 { [%eval 1.45] [%clk 1:06:49] } 27... d5 { [%eval 1.54] [%clk 0:53:01] } 28. Bxd5 { [%eval 1.5] [%clk 1:05:08] } 28... Rad8 { [%eval 1.48] [%clk 0:51:28] } 29. b5 { [%eval 1.57] [%clk 0:46:57] } 29... axb5 { [%eval 1.83] [%clk 0:50:37] } 30. axb5 { [%eval 1.61] [%clk 0:47:13] } 30... Rb8? { [%eval 3.47] } { Mistake. Bf7 was best. } { [%clk 0:41:12] } 31. Ra7 { [%eval 3.83] [%clk 0:35:46] } 31... Bf6 { [%eval 3.53] [%clk 0:37:19] } 32. Rfa1 { [%eval 3.68] [%clk 0:30:40] } 32... Rxb5 { [%eval 3.29] [%clk 0:27:53] } 33. Ra8 { [%eval 3.18] } 33... Rxb2? { [%eval 5.81] } { Mistake. Be8 was best. } { [%clk 0:24:58] } 34. Rxf8+ { [%eval 6.03] [%clk 0:27:47] } 34... Kg7 { [%eval 5.87] [%clk 0:25:25] } 35. Nxf5+ { [%eval 6.11] [%clk 0:21:10] } 35... Qxf5 { [%eval 6.26] [%clk 0:19:33] } 36. Qxb2 { [%eval 6.07] [%clk 0:21:01] } 36... Kxf8 { [%eval 6.05] [%clk 0:17:27] } 37. Qb4+ { [%eval 6.06] [%clk 0:20:47] } 37... Be7 { [%eval 6.07] [%clk 0:17:27] } 38. Ra8+ { [%eval 5.99] [%clk 0:20:31] } 38... Be8 { [%eval 5.89] [%clk 0:17:52] } 39. Qb5 { [%eval 5.66] [%clk 0:20:12] } 1-0