Event: Round 6: Collinson, Mark I - James, Geoffrey H
Site: https://lichess.org/broadcast/2025-british-chess-championships--over-65/round-6/12pgR5SK/2NO2ocbs
White: Collinson, Mark I
WhiteElo: 1900
Black: James, Geoffrey H
BlackTitle: CM
BlackElo: 2088
Result: 1/2-1/2
ECO: D34
Opening: Tarrasch Defense: Classical Variation, Carlsbad Variation
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:30:39] } 1... Nf6 { [%eval 0.19] [%clk 1:30:51] } 2. g3 { [%eval 0.0] [%clk 1:31:06] } 2... e6 { [%eval 0.2] [%clk 1:30:03] } 3. Bg2 { [%eval 0.13] [%clk 1:31:30] } 3... d5 { [%eval 0.32] [%clk 1:29:53] } 4. Nf3 { [%eval 0.18] [%clk 1:31:54] } 4... c5 { [%eval 0.23] [%clk 1:29:02] } 5. O-O { [%eval 0.11] [%clk 1:31:51] } 5... Nc6 { [%eval 0.19] [%clk 1:29:04] } 6. c4 { [%eval 0.28] [%clk 1:32:02] } 6... Be7 { [%eval 0.31] [%clk 1:26:29] } 7. cxd5 { [%eval 0.24] [%clk 1:30:56] } 7... exd5 { [%eval 0.28] [%clk 1:26:49] } 8. Nc3 { [%eval 0.3] [%clk 1:31:16] } 8... O-O { [%eval 0.29] [%clk 1:22:06] } 9. Bg5 { [%eval 0.23] [%clk 1:31:25] } 9... cxd4 { [%eval 0.51] [%clk 1:16:03] } 10. Nxd4 { [%eval 0.49] [%clk 1:31:31] } 10... Qb6 { [%eval 0.95] [%clk 1:13:31] } 11. Nb3 { [%eval 0.46] [%clk 1:24:57] } 11... d4 { [%eval 0.68] [%clk 1:08:45] } 12. Bxf6 { [%eval 0.78] [%clk 1:22:11] } 12... Bxf6 { [%eval 0.87] [%clk 1:07:45] } 13. Nd5 { [%eval 0.83] [%clk 1:22:22] } 13... Qd8 { [%eval 0.91] [%clk 1:07:04] } 14. Nxf6+ { [%eval 1.02] [%clk 1:22:35] } 14... Qxf6 { [%eval 0.65] [%clk 1:07:26] } 15. Rc1 { [%eval 0.25] [%clk 1:14:07] } 15... Rd8 { [%eval 0.21] [%clk 1:04:16] } 16. Qd2 { [%eval 0.21] [%clk 1:13:24] } 16... Ne5 { [%eval 0.37] [%clk 0:55:37] } 17. Nc5 { [%eval 0.15] [%clk 1:09:26] } 17... Rb8 { [%eval 0.16] [%clk 0:54:20] } 18. Ne4 { [%eval 0.09] [%clk 1:02:09] } 18... Qe7 { [%eval 0.11] [%clk 0:52:49] } 19. Nc5 { [%eval 0.01] [%clk 0:49:08] } 19... b6 { [%eval 0.06] [%clk 0:51:45] } 20. Nd3 { [%eval 0.0] [%clk 0:48:52] } 20... Ba6 { [%eval 0.13] [%clk 0:49:07] } 21. b3 { [%eval 0.01] [%clk 0:45:00] } 21... Nxd3 { [%eval 0.0] [%clk 0:41:11] } 22. exd3 { [%eval 0.0] [%clk 0:45:21] } 22... Rbc8 { [%eval 0.02] [%clk 0:41:26] } 23. b4 { [%eval -0.09] [%clk 0:37:22] } 23... Qf6 { [%eval 0.0] [%clk 0:39:56] } 24. a4 { [%eval -0.37] [%clk 0:35:49] } 24... Rc3 { [%eval -0.5] [%clk 0:39:40] } 25. b5 { [%eval -0.76] [%clk 0:35:45] } 25... Bc8 { [%eval -0.77] [%clk 0:40:02] } 26. Rfe1 { [%eval -0.77] [%clk 0:24:47] } 26... Bf5 { [%eval -0.52] [%clk 0:39:26] } 27. Be4 { [%eval -0.47] [%clk 0:24:44] } 27... Be6 { [%eval -0.33] [%clk 0:35:59] } 28. Rxc3 { [%eval -0.53] [%clk 0:18:59] } 28... dxc3 { [%eval -0.58] [%clk 0:36:18] } 29. Qc2 { [%eval -0.78] [%clk 0:19:07] } 29... Qd4?! { [%eval 0.0] } { Inaccuracy. Bh3 was best. } { [%clk 0:28:50] } 30. Rc1 { [%eval 0.0] [%clk 0:07:59] } 30... f5 { [%eval 0.0] [%clk 0:28:59] } 31. Bf3 { [%eval 0.0] [%clk 0:06:10] } 31... Qxd3 { [%eval 0.0] [%clk 0:27:29] } 32. Qxc3 { [%eval 0.0] [%clk 0:06:22] } 32... Qxc3 { [%eval 0.0] [%clk 0:22:44] } 33. Rxc3 { [%eval 0.0] [%clk 0:06:42] } 33... Rd4 { [%eval 0.04] [%clk 0:21:39] } 34. Rc6 { [%eval 0.01] [%clk 0:02:02] } 34... Kf7 { [%eval 0.09] [%clk 0:21:02] } 35. a5 { [%eval 0.0] [%clk 0:02:13] } 35... bxa5 { [%eval 0.01] [%clk 0:19:37] } 36. Ra6 { [%eval 0.0] [%clk 0:02:14] } 36... Rd7 { [%eval 0.02] [%clk 0:17:03] } 37. Rxa5 { [%eval 0.0] [%clk 0:01:31] } 37... Ke7 { [%eval 0.1] [%clk 0:16:45] } 38. Bc6 { [%eval 0.0] [%clk 0:01:48] } 38... Rc7 { [%eval 0.0] [%clk 0:17:04] } 39. f4 { [%eval 0.0] [%clk 0:01:54] } 39... Kd6 { [%eval 0.0] [%clk 0:16:50] } 40. Kf2 { [%eval 0.0] [%clk 0:01:40] } 40... Kc5 { [%eval 0.0] [%clk 0:16:41] } 41. Ra3 { [%eval -0.26] [%clk 0:01:16] } 41... g6 { [%eval 0.0] [%clk 0:15:39] } 42. Re3 { [%eval -0.03] [%clk 0:01:02] } 42... Bc8 { [%eval 0.0] [%clk 0:15:00] } 43. Ra3 { [%eval -0.16] [%clk 0:27:16] } 43... Kb6 { [%eval 0.0] [%clk 0:43:56] } 44. h3 { [%eval 0.0] [%clk 0:25:46] } 44... Bd7 { [%eval 0.0] [%clk 0:40:26] } 45. g4 { [%eval -0.07] [%clk 0:21:24] } 45... Bxc6 { [%eval -0.07] [%clk 0:40:20] } 46. bxc6 { [%eval -0.28] [%clk 0:21:44] } 46... Rxc6 { [%eval -0.18] [%clk 0:39:57] } 47. Kg3?? { [%eval -3.71] } { Blunder. gxf5 was best. } { [%clk 0:21:41] } 47... a5?? { [%eval -0.23] } { Blunder. Rc5 was best. } { [%clk 0:39:50] } 48. Rb3+?? { [%eval -4.04] } { Blunder. gxf5 was best. } { [%clk 0:21:45] } 48... Kc5 { [%eval -3.55] [%clk 0:39:45] } 49. Rb7 { [%eval -3.76] [%clk 0:21:05] } 49... Ra6?? { [%eval 0.0] } { Blunder. h6 was best. } { [%clk 0:39:55] } 50. Rxh7 { [%eval 0.0] [%clk 0:21:03] } 50... a4 { [%eval -0.05] [%clk 0:40:02] } 51. gxf5?? { [%eval -4.59] } { Blunder. Rc7+ was best. } { [%clk 0:19:37] } 51... gxf5 { [%eval -3.48] [%clk 0:38:49] } 52. Kh4? { [%eval -5.95] } { Mistake. Rc7+ was best. } { [%clk 0:15:55] } 52... a3 { [%eval -5.27] [%clk 0:36:13] } 53. Rc7+ { [%eval -4.88] [%clk 0:15:54] } 53... Kd5?? { [%eval 0.0] } { Blunder. Kb4 was best. } { [%clk 0:36:13] } 54. Rc1 { [%eval 0.0] [%clk 0:15:14] } 54... a2 { [%eval 0.0] [%clk 0:35:32] } 55. Ra1 { [%eval 0.0] [%clk 0:15:39] } 55... Ke4 { [%eval 0.0] [%clk 0:34:17] } 56. Kg5 { [%eval 0.0] [%clk 0:15:59] } 56... Ra3 { [%eval 0.0] [%clk 0:33:52] } 57. Re1+ { [%eval 0.0] [%clk 0:15:57] } 57... Kd5 { [%eval 0.0] [%clk 0:32:24] } 58. Ra1 { [%eval 0.0] [%clk 0:15:49] } 58... Ke6 { [%eval 0.0] [%clk 0:29:05] } 59. Re1+ { [%eval 0.0] [%clk 0:16:06] } 59... Kf7 { [%eval 0.0] [%clk 0:29:14] } 60. Ra1 { [%eval 0.0] [%clk 0:16:09] } 60... Ra5 { [%eval 0.0] [%clk 0:29:29] } 61. h4 { [%eval 0.0] [%clk 0:15:13] } 61... Kg7 { [%eval 0.0] [%clk 0:26:30] } 62. h5 { [%eval 0.0] [%clk 0:15:37] } 62... Kh7 { [%eval 0.0] [%clk 0:26:19] } 63. h6 { [%eval 0.0] [%clk 0:14:43] } 63... Ra6 { [%eval 0.0] [%clk 0:24:04] } 64. Kxf5 { [%eval 0.0] [%clk 0:14:58] } 1/2-1/2