Event: Round 2: De Silva, Sithun - Potter, John M
Site: https://lichess.org/broadcast/2025-british-chess-championships--major-open/round-2/vVFLtqRr/XoAQFV3N
White: De Silva, Sithun
WhiteElo: 1817
Black: Potter, John M
BlackElo: 2015
Result: 1/2-1/2
ECO: B07
Opening: Pirc Defense: Sveshnikov System
Variant: Standard

1. e4 { [%eval 0.18] [%clk 1:30:58] } 1... d6 { [%eval 0.43] [%clk 1:30:42] } 2. d4 { [%eval 0.43] [%clk 1:31:12] } 2... Nf6 { [%eval 0.43] [%clk 1:31:09] } 3. Nc3 { [%eval 0.38] [%clk 1:30:26] } 3... g6 { [%eval 0.63] [%clk 1:31:34] } 4. g3 { [%eval 0.22] [%clk 1:30:52] } 4... Bg7 { [%eval 0.22] [%clk 1:31:58] } 5. Bg2 { [%eval 0.16] [%clk 1:31:17] } 5... O-O { [%eval 0.25] [%clk 1:32:24] } 6. Nge2 { [%eval 0.17] [%clk 1:31:43] } 6... e5 { [%eval 0.3] [%clk 1:32:47] } 7. O-O { [%eval 0.27] [%clk 1:32:08] } 7... a6 { [%eval 0.37] [%clk 1:32:09] } 8. a4 { [%eval 0.21] [%clk 1:31:44] } 8... h6 { [%eval 0.69] [%clk 1:28:37] } 9. h3 { [%eval 0.6] [%clk 1:31:15] } 9... exd4 { [%eval 0.65] [%clk 1:27:36] } 10. Nxd4 { [%eval 0.59] [%clk 1:31:30] } 10... b6?! { [%eval 1.6] } { Inaccuracy. Re8 was best. } { [%clk 1:27:44] } 11. Re1 { [%eval 1.07] [%clk 1:22:06] } 11... Ra7 { [%eval 1.04] [%clk 1:20:18] } 12. Bf4 { [%eval 0.83] [%clk 1:07:10] } 12... Kh7 { [%eval 1.08] [%clk 1:13:33] } 13. Nd5?! { [%eval 0.46] } { Inaccuracy. a5 was best. } { [%clk 0:52:24] } 13... Nfd7 { [%eval 0.8] [%clk 1:05:18] } 14. Rb1 { [%eval 0.64] [%clk 0:43:18] } 14... Ne5 { [%eval 0.71] [%clk 1:03:16] } 15. b3 { [%eval 0.42] [%clk 0:35:18] } 15... c5 { [%eval 0.74] [%clk 0:57:04] } 16. Nf3 { [%eval 0.26] [%clk 0:34:06] } 16... Nbc6 { [%eval 0.19] [%clk 0:57:30] } 17. Nxe5 { [%eval 0.2] [%clk 0:32:33] } 17... dxe5 { [%eval 0.17] [%clk 0:56:40] } 18. Be3 { [%eval 0.17] [%clk 0:31:52] } 18... Be6? { [%eval 1.83] } { Mistake. a5 was best. } { [%clk 0:55:27] } 19. c3? { [%eval 0.21] } { Mistake. b4 was best. } { [%clk 0:26:42] } 19... f5?! { [%eval 0.97] } { Inaccuracy. a5 was best. } { [%clk 0:47:00] } 20. Kh2?? { [%eval -0.72] } { Blunder. b4 was best. } { [%clk 0:20:17] } 20... Rd7 { [%eval -0.85] [%clk 0:44:01] } 21. Qe2 { [%eval -1.03] [%clk 0:16:02] } 21... fxe4?! { [%eval 0.04] } { Inaccuracy. f4 was best. } { [%clk 0:42:25] } 22. c4 { [%eval 0.0] [%clk 0:16:11] } 22... Nd4 { [%eval 0.21] [%clk 0:35:03] } 23. Bxd4 { [%eval 0.22] [%clk 0:16:02] } 23... exd4 { [%eval 0.36] [%clk 0:35:29] } 24. Bxe4 { [%eval 0.46] [%clk 0:16:16] } 24... Bf5 { [%eval 0.84] [%clk 0:34:26] } 25. f4 { [%eval 0.99] [%clk 0:14:44] } 25... a5? { [%eval 2.23] } { Mistake. b5 was best. } { [%clk 0:29:11] } 26. Qd3 { [%eval 2.11] [%clk 0:14:06] } 26... Rd6 { [%eval 2.43] [%clk 0:27:06] } 27. Re2?! { [%eval 1.6] } { Inaccuracy. Bxf5 was best. } { [%clk 0:13:12] } 1/2-1/2