Event: British Chess Championships 2023: Championship
Site: The Venue, De Montfort University, United Kingdom
Date: 2023-07-30
White: Peter Koiza
WhiteElo: 1963
Black: Matthew J Payne
BlackElo: 2104
Result: 1/2-1/2
ECO: E60
Opening: Indian Defense: King's Indian Variation, Fianchetto Variation
Variant: Standard
TimeControl: 40 moves in 90 mins + 30 mins + 30 secondss added from move 1

1. d4 { [%eval 0.0] [%clk 1:30:51] } 1... Nf6 { [%eval 0.28] [%clk 1:30:52] } 2. c4 { [%eval 0.16] [%clk 1:28:55] } 2... g6 { [%eval 0.3] [%clk 1:31:15] } 3. g3 { [%eval 0.21] [%clk 1:28:48] } 3... Bg7 { [%eval 0.41] [%clk 1:31:31] } 4. Bg2 { [%eval 0.4] [%clk 1:29:07] } 4... O-O { [%eval 0.31] [%clk 1:31:31] } 5. Nc3 { [%eval 0.3] [%clk 1:28:53] } 5... d6 { [%eval 0.37] [%clk 1:31:43] } 6. e3 { [%eval 0.0] [%clk 1:27:40] } 6... c5 { [%eval 0.54] [%clk 1:30:26] } 7. Nge2 { [%eval 0.42] [%clk 1:27:27] } 7... Nc6 { [%eval 0.44] [%clk 1:28:15] } 8. O-O { [%eval 0.43] [%clk 1:25:48] } 8... a6 { [%eval 0.43] [%clk 1:21:04] } 9. dxc5 { [%eval 0.23] [%clk 1:04:25] } 9... dxc5 { [%eval 0.09] [%clk 1:20:38] } 10. Qxd8 { [%eval 0.07] [%clk 0:56:09] } 10... Nxd8 { [%eval 0.61] [%clk 1:13:13] } 11. Na4 { [%eval 0.24] [%clk 0:49:34] } 11... Nd7 { [%eval 0.43] [%clk 1:07:10] } 12. Nf4 { [%eval 0.26] [%clk 0:43:55] } 12... Rb8 { [%eval 0.22] [%clk 1:00:44] } 13. Nd5 { [%eval 0.18] [%clk 0:43:05] } 13... Nc6 { [%eval -0.15] [%clk 1:00:13] } 14. Bd2 { [%eval 0.34] [%clk 0:34:42] } 14... e6 { [%eval 0.25] [%clk 0:51:45] } 15. Nf4 { [%eval 0.12] [%clk 0:30:12] } 15... Nce5 { [%eval 0.04] [%clk 0:48:58] } 16. Rac1 { [%eval 0.18] [%clk 0:28:33] } 16... Nxc4 { [%eval 0.0] [%clk 0:48:28] } 17. Rxc4 { [%eval 0.05] [%clk 0:27:14] } 17... b5 { [%eval 0.11] [%clk 0:48:29] } 18. Rxc5 { [%eval 0.05] [%clk 0:26:43] } 18... bxa4 { [%eval 0.0] [%clk 0:48:08] } 19. Rc2 { [%eval 0.17] [%clk 0:26:13] } 19... Bxb2 { [%eval 0.32] [%clk 0:46:13] } 20. Rb1?! { [%eval -0.37] } { Inaccuracy. Nd3 was best. } { [%clk 0:25:50] } 20... Be5 { [%eval 0.1] [%clk 0:42:23] } 21. Rxb8 { [%eval 0.06] [%clk 0:26:00] } 21... Nxb8 { [%eval 0.07] } 22. Bb4 { [%eval 0.07] } 22... Rd8 { [%eval 0.33] [%clk 0:43:00] } 23. Nd3 { [%eval 0.47] [%clk 0:14:58] } 23... Bf6 { [%eval 0.44] [%clk 0:38:39] } 24. Ba5 { [%eval 0.4] [%clk 0:15:00] } 24... Rf8 { [%eval 0.55] [%clk 0:38:35] } 25. Bc7 { [%eval 0.07] [%clk 0:12:25] } 25... Bd7 { [%eval 0.02] [%clk 0:36:52] } 26. Nc5 { [%eval -0.34] [%clk 0:11:23] } 26... Bb5 { [%eval -0.14] [%clk 0:37:08] } 27. Bb7 { [%eval -0.24] [%clk 0:10:13] } 27... Be7 { [%eval -0.11] [%clk 0:35:08] } 1/2-1/2