Event: 4NCL Main League 1-2
Site: Various, United Kingdom
Date: 2022-05-02
White: Kosten, Anthony C.
WhiteTitle: GM
WhiteElo: 2367
Black: Purton, Ben J
BlackElo: 2208
Result: 1-0
ECO: A34
Opening: English Opening: Symmetrical Variation, Rubinstein Variation
Variant: Standard
TimeControl: 40 in 100 f.b. 50 mins with 30 secs per move

1. c4 { [%eval 0.23] [%clk 1:40:18] } 1... Nf6 { [%eval 0.29] [%clk 1:40:39] } 2. Nc3 { [%eval 0.08] [%clk 1:40:40] } 2... c5 { [%eval 0.28] [%clk 1:40:52] } 3. g3 { [%eval 0.21] [%clk 1:39:31] } 3... d5 { [%eval 0.33] [%clk 1:40:44] } 4. cxd5 { [%eval 0.28] [%clk 1:39:53] } 4... Nxd5 { [%eval 0.67] [%clk 1:41:08] } 5. Bg2 { [%eval 0.24] [%clk 1:40:18] } 5... Nc7 { [%eval 0.55] [%clk 1:40:26] } 6. Nf3 { [%eval 0.29] [%clk 1:40:30] } 6... Nc6 { [%eval 0.44] [%clk 1:40:42] } 7. O-O { [%eval 0.05] [%clk 1:40:36] } 7... e5 { [%eval 0.0] [%clk 1:40:58] } 8. d3 { [%eval 0.0] [%clk 1:40:55] } 8... Be7 { [%eval 0.0] [%clk 1:40:53] } 9. Nd2 { [%eval -0.07] [%clk 1:41:16] } 9... O-O { [%eval -0.12] [%clk 1:40:06] } 10. Bxc6 { [%eval 0.03] [%clk 1:40:44] } 10... bxc6 { [%eval -0.28] [%clk 1:40:27] } 11. Nc4 { [%eval -0.23] [%clk 1:41:09] } 11... f6 { [%eval 0.17] [%clk 1:40:17] } 12. b3?! { [%eval -0.42] } { Inaccuracy. f3 was best. } { [%clk 1:28:44] } 12... Nb5?! { [%eval 0.51] } { Inaccuracy. Bh3 was best. } { [%clk 1:38:55] } 13. Bb2 { [%eval 0.33] [%clk 1:25:25] } 13... Be6 { [%eval 0.52] [%clk 1:38:32] } 14. Rc1 { [%eval 0.31] [%clk 1:24:57] } 14... Nd4 { [%eval 0.27] [%clk 1:37:09] } 15. Na4 { [%eval -0.07] [%clk 1:21:29] } 15... Rb8?! { [%eval 0.61] } { Inaccuracy. Bh3 was best. } { [%clk 1:32:34] } 16. Ba3?! { [%eval -0.04] } { Inaccuracy. f3 was best. } { [%clk 1:19:59] } 16... Rb5?? { [%eval 1.55] } { Blunder. Bh3 was best. } { [%clk 1:28:45] } 17. Nd2?? { [%eval -0.19] } { Blunder. e3 was best. } { [%clk 1:19:25] } 17... Qa5?? { [%eval 1.55] } { Blunder. Bh3 was best. } { [%clk 1:22:09] } 18. Rc3? { [%eval 0.01] } { Mistake. Nc4 was best. } { [%clk 1:07:28] } 18... Bf7 { [%eval 0.43] [%clk 1:15:58] } 19. Ne4 { [%eval 0.45] [%clk 0:59:07] } 19... Rfb8 { [%eval 0.82] [%clk 1:09:24] } 20. Bxc5 { [%eval 1.11] [%clk 0:48:30] } 20... f5?? { [%eval 3.57] } { Blunder. Bxc5 was best. } { [%clk 1:05:33] } 21. Bxe7 { [%eval 3.58] [%clk 0:47:15] } 21... fxe4 { [%eval 3.8] [%clk 1:05:58] } 22. dxe4 { [%eval 3.95] [%clk 0:46:11] } 22... R5b7 { [%eval 4.72] [%clk 1:01:39] } 23. Bc5 { [%eval 4.96] [%clk 0:35:56] } 23... Nxb3 { [%eval 5.87] [%clk 1:01:13] } 24. Bd6?! { [%eval 4.44] } { Inaccuracy. Rxb3 was best. } { [%clk 0:34:03] } 24... Rd8? { [%eval 7.94] } { Mistake. Nd4 was best. } { [%clk 0:59:36] } 25. axb3 { [%eval 7.96] [%clk 0:33:38] } 1-0