Event: Round 4: Marks, Ian A - Dilleigh, Stephen P
Site: https://lichess.org/broadcast/2025-british-chess-championships--over-65/round-4/AvkZJ16Z/xbqEwY3e
White: Marks, Ian A
WhiteElo: 1904
Black: Dilleigh, Stephen P
BlackElo: 2048
Result: 1/2-1/2
ECO: A07
Opening: King's Indian Attack
Variant: Standard

1. Nf3 { [%eval 0.1] [%clk 1:30:53] } 1... d5 { [%eval 0.18] [%clk 1:30:52] } 2. g3 { [%eval 0.15] [%clk 1:31:15] } 2... Nd7 { [%eval 0.25] [%clk 1:31:11] } 3. Bg2 { [%eval 0.05] [%clk 1:31:00] } 3... e5 { [%eval 0.13] [%clk 1:31:29] } 4. d3 { [%eval 0.17] [%clk 1:31:24] } 4... Ngf6 { [%eval 0.0] [%clk 1:31:45] } 5. O-O { [%eval 0.05] [%clk 1:31:37] } 5... Be7 { [%eval 0.12] [%clk 1:31:52] } 6. e4 { [%eval -0.17] [%clk 1:27:08] } 6... dxe4 { [%eval -0.22] [%clk 1:29:02] } 7. dxe4 { [%eval -0.13] [%clk 1:27:29] } 7... O-O { [%eval -0.24] [%clk 1:28:46] } 8. Qe2 { [%eval -0.15] [%clk 1:26:34] } 8... c6 { [%eval -0.18] [%clk 1:28:03] } 9. b3 { [%eval -0.22] [%clk 1:24:16] } 9... Qc7 { [%eval -0.19] [%clk 1:27:47] } 10. Bb2 { [%eval -0.25] [%clk 1:24:33] } 10... Re8 { [%eval -0.22] [%clk 1:27:08] } 11. Nbd2 { [%eval -0.22] [%clk 1:23:58] } 11... Bf8 { [%eval -0.17] [%clk 1:26:13] } 12. Nc4 { [%eval -0.41] [%clk 1:19:27] } 12... b5 { [%eval -0.45] [%clk 1:22:59] } 13. Ne3 { [%eval -0.39] [%clk 1:13:20] } 13... a5 { [%eval -0.42] [%clk 1:02:06] } 14. Nd2 { [%eval -0.49] [%clk 1:04:05] } 14... Ba6 { [%eval -0.48] [%clk 0:55:53] } 15. Rfd1 { [%eval -0.47] [%clk 0:58:55] } 15... Bc5 { [%eval -0.46] [%clk 0:55:02] } 16. Ng4 { [%eval -0.86] [%clk 0:50:31] } 16... Nxg4 { [%eval -0.68] [%clk 0:50:36] } 17. Qxg4 { [%eval -0.76] [%clk 0:50:53] } 17... Nf6 { [%eval -0.66] [%clk 0:50:55] } 18. Qf3 { [%eval -0.59] [%clk 0:47:43] } 18... Bc8 { [%eval -0.53] [%clk 0:40:32] } 19. h3 { [%eval -0.56] [%clk 0:46:58] } 19... a4 { [%eval -0.38] [%clk 0:40:47] } 20. Nf1 { [%eval -0.68] [%clk 0:44:26] } 20... a3 { [%eval -0.27] [%clk 0:39:17] } 21. Bc1 { [%eval -0.31] [%clk 0:44:24] } 21... Be6 { [%eval -0.33] [%clk 0:37:28] } 22. Be3 { [%eval -0.44] [%clk 0:41:07] } 22... Qa7?! { [%eval 0.24] } { Inaccuracy. Bxe3 was best. } { [%clk 0:33:01] } 23. Bxc5 { [%eval -0.11] [%clk 0:38:26] } 23... Qxc5 { [%eval -0.15] [%clk 0:33:22] } 24. Rd2 { [%eval -0.26] [%clk 0:36:21] } 24... Rad8 { [%eval -0.14] [%clk 0:24:44] } 25. Rad1 { [%eval -0.18] [%clk 0:36:02] } 25... Rxd2 { [%eval -0.14] [%clk 0:24:07] } 26. Rxd2 { [%eval -0.25] [%clk 0:35:57] } 26... b4 { [%eval 0.0] [%clk 0:23:06] } 27. Qe3 { [%eval 0.0] [%clk 0:33:09] } 27... Qxe3 { [%eval 0.0] [%clk 0:20:28] } 1/2-1/2