Event: Round 2: Costello, Colin A - Clancy, Martin J
Site: https://lichess.org/broadcast/2025-british-chess-championships--over-65/round-2/uXi0tMdq/n3kq3ftz
White: Costello, Colin A
WhiteElo: 1876
Black: Clancy, Martin J
BlackElo: 1765
Result: 1-0
ECO: A16
Opening: English Opening: Anglo-Indian Defense, Queen's Knight Variation
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:59] } 1... Nf6 { [%eval 0.14] [%clk 1:30:49] } 2. Nc3 { [%eval 0.12] [%clk 1:31:22] } 2... g6 { [%eval 0.41] [%clk 1:30:58] } 3. Nf3 { [%eval 0.26] [%clk 1:31:45] } 3... Bg7 { [%eval 0.44] [%clk 1:29:03] } 4. g3 { [%eval 0.09] [%clk 1:31:59] } 4... O-O { [%eval 0.14] [%clk 1:29:15] } 5. Bg2 { [%eval 0.06] [%clk 1:32:23] } 5... d6 { [%eval 0.39] [%clk 1:29:33] } 6. O-O { [%eval 0.22] [%clk 1:32:35] } 6... e5 { [%eval 0.33] [%clk 1:29:43] } 7. d3 { [%eval 0.21] [%clk 1:32:59] } 7... Nc6 { [%eval 0.28] [%clk 1:29:35] } 8. Rb1 { [%eval 0.21] [%clk 1:33:16] } 8... a5 { [%eval 0.26] [%clk 1:29:20] } 9. a3 { [%eval 0.11] [%clk 1:33:39] } 9... h6 { [%eval 0.24] [%clk 1:27:58] } 10. b4 { [%eval 0.22] [%clk 1:33:51] } 10... axb4 { [%eval 0.27] [%clk 1:27:05] } 11. axb4 { [%eval 0.18] [%clk 1:34:14] } 11... Be6 { [%eval 0.27] [%clk 1:26:28] } 12. b5 { [%eval 0.21] [%clk 1:34:34] } 12... Ne7 { [%eval 0.19] [%clk 1:26:25] } 13. Bb2 { [%eval 0.26] [%clk 1:31:58] } 13... Qd7 { [%eval 0.26] [%clk 1:24:48] } 14. Re1 { [%eval 0.25] [%clk 1:30:30] } 14... Nf5 { [%eval 0.62] [%clk 1:17:41] } 15. Qb3 { [%eval 0.52] [%clk 1:27:23] } 15... g5 { [%eval 1.0] [%clk 1:00:32] } 16. Nd5 { [%eval 0.91] [%clk 1:26:00] } 16... Bxd5 { [%eval 1.16] [%clk 0:49:25] } 17. cxd5 { [%eval 1.19] [%clk 1:26:18] } 17... Ne7 { [%eval 0.93] [%clk 0:48:08] } 18. Nd2 { [%eval 1.1] [%clk 1:25:23] } 18... Nh5?! { [%eval 1.86] } { Inaccuracy. b6 was best. } { [%clk 0:46:16] } 19. Rec1?! { [%eval 1.26] } { Inaccuracy. b6 was best. } { [%clk 1:20:58] } 19... f5 { [%eval 1.82] [%clk 0:45:06] } 20. b6 { [%eval 1.95] [%clk 1:20:20] } 20... cxb6 { [%eval 1.72] [%clk 0:43:09] } 21. Nc4 { [%eval 1.42] [%clk 1:18:28] } 21... Nc8 { [%eval 1.42] [%clk 0:42:39] } 22. Nxb6?! { [%eval 0.74] } { Inaccuracy. e4 was best. } { [%clk 1:18:10] } 22... Nxb6 { [%eval 0.66] [%clk 0:42:59] } 23. Qxb6 { [%eval 0.76] [%clk 1:18:32] } 23... Rf7 { [%eval 0.72] [%clk 0:41:15] } 24. Ra1 { [%eval 0.77] [%clk 1:15:57] } 24... Rb8 { [%eval 0.84] [%clk 0:36:46] } 25. Rc4 { [%eval 0.78] [%clk 1:06:02] } 25... Bf6 { [%eval 1.12] [%clk 0:33:39] } 26. Rac1 { [%eval 1.16] [%clk 1:05:31] } 26... Bd8?? { [%eval 3.8] } { Blunder. Ng7 was best. } { [%clk 0:32:58] } 27. Qa7 { [%eval 3.42] [%clk 1:05:04] } 1-0