Event: Round 2: Arkell, Keith C - Mason, Donald J
Site: https://lichess.org/broadcast/2025-british-chess-championships--over-50/round-2/wyI0NzU5/IOL5Fcut
White: Arkell, Keith C
WhiteTitle: GM
WhiteElo: 2363
Black: Mason, Donald J
BlackElo: 2015
Result: 1-0
ECO: E65
Opening: King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Exchange Line
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:22] } 1... g6 { [%eval 0.22] [%clk 1:30:32] } 2. Nf3 { [%eval 0.16] [%clk 1:30:36] } 2... Bg7 { [%eval 0.21] [%clk 1:30:46] } 3. g3 { [%eval 0.03] [%clk 1:30:57] } 3... Nf6 { [%eval 0.19] [%clk 1:30:44] } 4. Bg2 { [%eval 0.08] [%clk 1:31:21] } 4... O-O { [%eval 0.12] [%clk 1:31:04] } 5. O-O { [%eval 0.1] [%clk 1:31:48] } 5... d6 { [%eval 0.32] [%clk 1:30:55] } 6. d4 { [%eval 0.25] [%clk 1:32:12] } 6... c5 { [%eval 0.4] [%clk 1:31:04] } 7. Nc3 { [%eval 0.26] [%clk 1:32:30] } 7... Nc6 { [%eval 0.21] [%clk 1:30:32] } 8. dxc5 { [%eval 0.19] [%clk 1:28:59] } 8... dxc5 { [%eval 0.17] [%clk 1:30:55] } 9. Bf4 { [%eval 0.14] [%clk 1:29:27] } 9... Nh5 { [%eval 0.26] [%clk 1:30:18] } 10. Be3 { [%eval 0.18] [%clk 1:29:53] } 10... b6 { [%eval 0.1] [%clk 1:27:25] } 11. Qc1 { [%eval 0.13] [%clk 1:30:14] } 11... Bb7 { [%eval 0.15] [%clk 1:25:51] } 12. Bh6 { [%eval 0.18] [%clk 1:30:37] } 12... Qe8 { [%eval 0.22] [%clk 1:10:22] } 13. Bxg7 { [%eval 0.14] [%clk 1:31:00] } 13... Kxg7 { [%eval 0.44] [%clk 1:06:08] } 14. a3 { [%eval 0.17] [%clk 1:30:22] } 14... Qc8 { [%eval 0.62] [%clk 0:49:51] } 15. Nd5 { [%eval 0.41] [%clk 1:29:04] } 15... e6 { [%eval 0.35] [%clk 0:39:03] } 16. Qc3+ { [%eval 0.31] [%clk 1:29:13] } 16... Kg8 { [%eval 0.4] [%clk 0:36:45] } 17. Ne3 { [%eval 0.36] [%clk 1:26:31] } 17... f5 { [%eval 0.4] [%clk 0:35:07] } 18. b4 { [%eval 0.39] [%clk 1:22:45] } 18... Qc7 { [%eval 0.4] [%clk 0:28:55] } 19. b5 { [%eval 0.29] [%clk 1:22:02] } 19... Nd4?! { [%eval 0.84] } { Inaccuracy. Na5 was best. } { [%clk 0:24:02] } 20. Nxd4 { [%eval 0.84] [%clk 1:14:12] } 20... cxd4 { [%eval 0.87] [%clk 0:22:26] } 21. Qxd4 { [%eval 1.0] [%clk 1:14:37] } 21... Bxg2 { [%eval 0.9] [%clk 0:22:05] } 22. Kxg2 { [%eval 0.99] [%clk 1:12:05] } 22... Rad8 { [%eval 0.88] [%clk 0:21:55] } 23. Qc3 { [%eval 0.91] [%clk 1:11:59] } 23... Nf6 { [%eval 0.91] [%clk 0:19:38] } 24. Rad1 { [%eval 0.56] [%clk 1:05:33] } 24... Ne4 { [%eval 0.56] [%clk 0:08:30] } 25. Qc2 { [%eval 0.72] [%clk 1:05:36] } 25... Qc5 { [%eval 1.06] [%clk 0:07:27] } 26. Rd3 { [%eval 1.03] [%clk 1:03:16] } 26... Qe5 { [%eval 1.1] [%clk 0:02:21] } 27. Rfd1 { [%eval 1.11] [%clk 1:00:40] } 27... Rc8 { [%eval 1.53] [%clk 0:02:19] } 28. Rd4 { [%eval 1.15] [%clk 0:42:52] } 28... Nc5 { [%eval 1.19] [%clk 0:01:52] } 29. Nf1 { [%eval 0.95] [%clk 0:41:29] } 29... f4 { [%eval 0.86] [%clk 0:01:11] } 30. gxf4 { [%eval 0.69] [%clk 0:39:59] } 30... Rxf4 { [%eval 0.67] [%clk 0:01:33] } 31. Rxf4 { [%eval 0.54] [%clk 0:39:51] } 31... Qxf4 { [%eval 0.6] [%clk 0:01:55] } 32. Ng3 { [%eval 0.54] [%clk 0:40:04] } 32... Rf8 { [%eval 0.55] [%clk 0:01:36] } 33. f3 { [%eval 0.63] [%clk 0:40:24] } 33... Qe3 { [%eval 0.99] [%clk 0:01:07] } 34. a4 { [%eval 1.01] [%clk 0:40:27] } 34... Qf4 { [%eval 1.04] [%clk 0:00:33] } 35. Qc1?! { [%eval 0.21] } { Inaccuracy. Ne4 was best. } { [%clk 0:37:29] } 35... Qxc1 { [%eval 0.2] [%clk 0:00:50] } 36. Rxc1 { [%eval 0.21] [%clk 0:37:55] } 36... Rd8?? { [%eval 1.94] } { Blunder. Rc8 was best. } { [%clk 0:01:00] } 37. Rc2?? { [%eval 0.21] } { Blunder. Ne4 was best. } { [%clk 0:33:48] } 37... Rd4?! { [%eval 0.92] } { Inaccuracy. Rc8 was best. } { [%clk 0:01:04] } 38. Kf2?! { [%eval 0.31] } { Inaccuracy. Ne4 was best. } { [%clk 0:32:56] } 38... Nxa4?? { [%eval 3.28] } { Blunder. Kf7 was best. } { [%clk 0:00:43] } 39. Ne4 { [%eval 3.24] [%clk 0:32:30] } 39... Kf8 { [%eval 3.35] [%clk 0:00:34] } 40. Ke3?? { [%eval 1.2] } { Blunder. e3 was best. } { [%clk 0:31:44] } 40... Rd7?? { [%eval 4.96] } { Blunder. e5 was best. } { [%clk 0:00:51] } 41. Ra2 { [%eval 4.96] [%clk 0:31:52] } 41... Nc5 { [%eval 4.98] [%clk 0:00:54] } 42. Nxc5 { [%eval 4.91] [%clk 0:32:15] } 42... bxc5 { [%eval 4.56] [%clk 0:01:19] } 43. Ra6 { [%eval 3.72] [%clk 0:32:43] } 43... Rc7?! { [%eval 5.04] } { Inaccuracy. Ke7 was best. } { [%clk 0:28:15] } 44. Rxe6 { [%eval 4.99] [%clk 1:03:06] } 44... Kf7 { [%eval 4.89] [%clk 0:28:04] } 45. Ra6 { [%eval 4.53] [%clk 1:03:30] } 1-0