Event: Round 6: Costello, Colin A - De Coverly, Roger D
Site: https://lichess.org/broadcast/2025-british-chess-championships--over-65/round-6/12pgR5SK/OtSdHQeS
White: Costello, Colin A
WhiteElo: 1876
Black: De Coverly, Roger D
BlackElo: 1969
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 1:30:53] } 2. Nc3 { [%eval 0.12] [%clk 1:31:20] } 2... g6 { [%eval 0.48] [%clk 1:31:09] } 3. Nf3 { [%eval 0.26] [%clk 1:31:42] } 3... Bg7 { [%eval 0.44] [%clk 1:31:27] } 4. g3 { [%eval 0.09] [%clk 1:32:03] } 4... O-O { [%eval 0.14] [%clk 1:31:38] } 5. Bg2 { [%eval 0.06] [%clk 1:32:28] } 5... d6 { [%eval 0.39] [%clk 1:31:37] } 6. O-O { [%eval 0.22] [%clk 1:32:49] } 6... Nc6 { [%eval 0.47] [%clk 1:31:44] } 7. d3 { [%eval 0.31] [%clk 1:32:50] } 7... Nh5 { [%eval 0.56] [%clk 1:31:23] } 8. Rb1 { [%eval 0.44] [%clk 1:24:33] } 8... f5 { [%eval 0.39] [%clk 1:30:29] } 9. Bd2 { [%eval 0.34] [%clk 1:23:10] } 9... f4 { [%eval 0.82] [%clk 1:28:20] } 10. b4 { [%eval 0.77] [%clk 1:23:09] } 10... Bg4 { [%eval 0.77] [%clk 1:26:59] } 11. b5 { [%eval 0.29] [%clk 1:21:34] } 11... Nd4 { [%eval 0.46] [%clk 1:26:43] } 12. Ne4 { [%eval 0.29] [%clk 1:07:49] } 12... Bxf3 { [%eval 0.71] [%clk 1:22:19] } 13. Bxf3 { [%eval 0.6] [%clk 1:07:44] } 13... Nxf3+ { [%eval 0.72] [%clk 1:21:59] } 14. exf3 { [%eval 0.63] [%clk 1:08:05] } 14... e5 { [%eval 0.69] [%clk 1:18:49] } 15. Bc3 { [%eval 0.52] [%clk 1:05:36] } 15... Nf6 { [%eval 0.73] [%clk 1:15:10] } 16. Qe2?! { [%eval 0.18] } { Inaccuracy. g4 was best. } { [%clk 0:57:14] } 16... Qe7 { [%eval 0.49] [%clk 1:12:21] } 17. Rbd1 { [%eval 0.43] [%clk 0:57:03] } 17... Rae8 { [%eval 0.45] [%clk 1:11:46] } 18. Rfe1 { [%eval 0.34] [%clk 0:57:08] } 18... h6 { [%eval 0.45] [%clk 1:08:20] } 19. Kg2 { [%eval 0.4] [%clk 0:54:20] } 19... Qf7 { [%eval 0.79] [%clk 1:07:25] } 20. h3?! { [%eval 0.09] } { Inaccuracy. Nxf6+ was best. } { [%clk 0:47:10] } 20... b6?! { [%eval 0.94] } { Inaccuracy. fxg3 was best. } { [%clk 1:05:31] } 21. a4?! { [%eval 0.16] } { Inaccuracy. g4 was best. } { [%clk 0:43:16] } 21... Nd7?! { [%eval 1.08] } { Inaccuracy. Nxe4 was best. } { [%clk 1:02:12] } 22. a5?! { [%eval 0.06] } { Inaccuracy. g4 was best. } { [%clk 0:40:11] } 22... d5 { [%eval 0.32] [%clk 0:59:25] } 23. cxd5 { [%eval 0.37] [%clk 0:40:28] } 23... Qxd5? { [%eval 1.65] } { Mistake. fxg3 was best. } { [%clk 0:59:41] } 24. axb6 { [%eval 1.57] [%clk 0:34:39] } 24... axb6 { [%eval 1.44] [%clk 0:55:05] } 25. Qb2? { [%eval 0.11] } { Mistake. g4 was best. } { [%clk 0:34:09] } 25... Rf7?? { [%eval 2.28] } { Blunder. fxg3 was best. } { [%clk 0:50:23] } 26. d4 { [%eval 2.24] [%clk 0:32:34] } 26... Qb7?! { [%eval 3.65] } { Inaccuracy. fxg3 was best. } { [%clk 0:46:34] } 27. g4 { [%eval 3.48] [%clk 0:28:36] } 27... Rfe7?! { [%eval 4.77] } { Inaccuracy. Qc8 was best. } { [%clk 0:34:45] } 28. d5?! { [%eval 3.75] } { Inaccuracy. Qb3+ was best. } { [%clk 0:27:21] } 28... Nf6?! { [%eval 5.4] } { Inaccuracy. Rf7 was best. } { [%clk 0:27:07] } 29. d6 { [%eval 5.21] [%clk 0:26:03] } 29... Rd7 { [%eval 5.55] [%clk 0:26:28] } 30. Nxf6+ { [%eval 6.2] [%clk 0:24:43] } 30... Bxf6 { [%eval 6.11] [%clk 0:26:37] } 31. Bxe5 { [%eval 5.79] [%clk 0:23:48] } 31... Bxe5 { [%eval 6.4] [%clk 0:25:47] } 32. Rxe5 { [%eval 5.74] [%clk 0:24:09] } 32... Qc8 { [%eval 6.52] [%clk 0:21:45] } 33. Qb3+ { [%eval 6.14] [%clk 0:21:28] } 33... Kh7 { [%eval 6.31] [%clk 0:20:42] } 34. Rxe8 { [%eval 6.05] [%clk 0:20:46] } 34... Qxe8 { [%eval 5.97] [%clk 0:21:05] } 35. dxc7 { [%eval 6.19] [%clk 0:20:01] } 35... Rxc7 { [%eval 6.14] [%clk 0:21:23] } 36. Rd6 { [%eval 5.95] [%clk 0:18:35] } 36... Qb8 { [%eval 6.26] [%clk 0:20:53] } 37. Qe6 { [%eval 5.96] [%clk 0:18:21] } 1-0