Event: Round 1: John P Williams - De Silva, Sithun
Site: https://lichess.org/broadcast/2025-british-chess-championships--major-open/round-1/qqUzKzZA/z2yt5T7k
White: John P Williams
Black: De Silva, Sithun
BlackElo: 1817
Result: 0-1
ECO: B11
Opening: Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:57] } 1... c6 { [%eval 0.23] [%clk 1:30:51] } 2. Nc3 { [%eval 0.21] [%clk 1:31:17] } 2... d5 { [%eval 0.32] [%clk 1:31:14] } 3. Nf3 { [%eval 0.2] [%clk 1:31:39] } 3... Bg4 { [%eval 0.27] [%clk 1:31:37] } 4. h3 { [%eval 0.17] [%clk 1:31:59] } 4... Bxf3 { [%eval 0.24] [%clk 1:31:59] } 5. Qxf3 { [%eval 0.16] [%clk 1:32:27] } 5... e6 { [%eval 0.24] [%clk 1:32:21] } 6. d3 { [%eval 0.15] [%clk 1:32:45] } 6... Nf6 { [%eval 0.22] [%clk 1:30:51] } 7. g3 { [%eval -0.15] [%clk 1:32:04] } 7... Nbd7 { [%eval 0.17] [%clk 1:25:06] } 8. Bg2 { [%eval 0.35] [%clk 1:32:01] } 8... Bb4 { [%eval 0.33] [%clk 1:22:57] } 9. Bd2 { [%eval 0.29] [%clk 1:31:38] } 9... O-O { [%eval 0.2] [%clk 1:20:33] } 10. a3 { [%eval 0.28] [%clk 1:30:35] } 10... Ba5 { [%eval 0.23] [%clk 1:19:05] } 11. Qe2 { [%eval 0.21] [%clk 1:29:36] } 11... Rc8 { [%eval 0.39] [%clk 1:10:27] } 12. O-O { [%eval 0.34] [%clk 1:29:22] } 12... Qc7 { [%eval 0.54] [%clk 1:05:45] } 13. Kh1 { [%eval 0.3] [%clk 1:25:51] } 13... dxe4 { [%eval 0.77] [%clk 0:59:29] } 14. dxe4 { [%eval 0.84] [%clk 1:26:03] } 14... Qe5? { [%eval 2.06] } { Mistake. e5 was best. } { [%clk 0:55:54] } 15. f4 { [%eval 2.05] [%clk 1:23:02] } 15... Qc7 { [%eval 2.5] [%clk 0:50:52] } 16. e5?! { [%eval 1.43] } { Inaccuracy. b4 was best. } { [%clk 1:22:56] } 16... Bxc3 { [%eval 1.5] [%clk 0:48:54] } 17. Bxc3 { [%eval 1.5] [%clk 1:23:12] } 17... Nd5 { [%eval 1.5] [%clk 0:49:19] } 18. Bd2 { [%eval 1.36] [%clk 1:22:56] } 18... Rfe8 { [%eval 1.5] [%clk 0:48:18] } 19. c4 { [%eval 1.18] [%clk 1:22:50] } 19... Ne7 { [%eval 1.18] [%clk 0:47:55] } 20. g4 { [%eval 1.18] [%clk 1:18:51] } 20... Ng6 { [%eval 1.75] [%clk 0:45:35] } 21. Bc3?! { [%eval 1.06] } { Inaccuracy. Bb4 was best. } { [%clk 1:18:47] } 21... Rcd8 { [%eval 1.29] [%clk 0:42:49] } 22. Rad1 { [%eval 0.8] [%clk 1:17:49] } 22... h6?! { [%eval 1.61] } { Inaccuracy. Nc5 was best. } { [%clk 0:38:36] } 23. Be4 { [%eval 1.61] [%clk 1:16:12] } 23... Ngf8 { [%eval 2.22] [%clk 0:32:42] } 24. Qf2 { [%eval 2.24] [%clk 1:14:40] } 24... Qb6 { [%eval 1.92] [%clk 0:26:39] } 25. Bd4? { [%eval 0.75] } { Mistake. Rd4 was best. } { [%clk 1:14:35] } 25... Qb3 { [%eval 0.76] [%clk 0:26:35] } 26. Bg2?! { [%eval -0.06] } { Inaccuracy. Kh2 was best. } { [%clk 1:13:40] } 26... Nb6 { [%eval 0.1] [%clk 0:17:51] } 27. Rc1 { [%eval -0.18] [%clk 1:13:43] } 27... Nxc4 { [%eval -0.2] [%clk 0:16:18] } 28. f5?! { [%eval -0.96] } { Inaccuracy. Rc3 was best. } { [%clk 1:12:30] } 28... exf5 { [%eval -1.14] [%clk 0:15:06] } 29. Qxf5?? { [%eval -4.26] } { Blunder. Rc3 was best. } { [%clk 1:11:50] } 29... Nd2 { [%eval -4.27] [%clk 0:14:11] } 30. Rf4 { [%eval -4.45] [%clk 1:09:19] } 30... Ng6 { [%eval -3.99] [%clk 0:13:04] } 0-1