Event: Round 4: Collinson, Mark I - Surtees, Mike J
Site: https://lichess.org/broadcast/scarborough-chess-congress-2025-open/round-4/f1riLyMC/1YsYgvTi
Date: 2025-10-26
White: Collinson, Mark I
WhiteElo: 1941
Black: Surtees, Mike J
BlackElo: 2080
Result: 1-0
ECO: A40
Opening: Horwitz Defense
Variant: Standard

1. d4 { [%eval 0.17] [%clk 1:50:16] } 1... e6 { [%eval 0.37] [%clk 1:50:13] } 2. Nf3 { [%eval 0.08] [%clk 1:50:04] } 2... b6?! { [%eval 0.76] } { Inaccuracy. d5 was best. } { [%clk 1:49:48] } 3. g3?! { [%eval 0.09] } { Inaccuracy. e4 was best. } { [%clk 1:50:07] } 3... Bb7 { [%eval 0.25] [%clk 1:49:53] } 4. Bg2 { [%eval 0.04] [%clk 1:50:14] } 4... c5 { [%eval 0.54] [%clk 1:46:17] } 5. c4 { [%eval 0.25] [%clk 1:48:32] } 5... cxd4 { [%eval 0.24] [%clk 1:46:01] } 6. O-O { [%eval -0.1] [%clk 1:45:49] } 6... Nf6 { [%eval 0.24] [%clk 1:42:52] } 7. Qxd4 { [%eval 0.13] [%clk 1:43:01] } 7... d6 { [%eval 0.43] [%clk 1:41:16] } 8. Nc3 { [%eval 0.27] [%clk 1:42:02] } 8... a6 { [%eval 0.32] [%clk 1:39:20] } 9. Be3 { [%eval 0.3] [%clk 1:37:27] } 9... Nbd7 { [%eval 0.22] [%clk 1:39:17] } 10. Rfd1 { [%eval 0.23] [%clk 1:34:47] } 10... Rc8 { [%eval 0.25] [%clk 1:35:32] } 11. b3 { [%eval 0.26] [%clk 1:32:41] } 11... Be7 { [%eval 0.24] [%clk 1:34:34] } 12. Rac1 { [%eval 0.31] [%clk 1:27:16] } 12... O-O { [%eval 0.34] [%clk 1:33:53] } 13. Ng5 { [%eval 0.02] [%clk 1:15:41] } 13... Bxg2 { [%eval 0.13] [%clk 1:23:26] } 14. Kxg2 { [%eval 0.08] [%clk 1:15:42] } 14... Ne8 { [%eval 0.21] [%clk 1:14:57] } 15. Nf3 { [%eval 0.1] [%clk 1:05:48] } 15... Qc7 { [%eval 0.34] [%clk 1:12:09] } 16. Bg5 { [%eval 0.24] [%clk 0:55:38] } 16... f6 { [%eval 0.47] [%clk 0:59:00] } 17. Bd2 { [%eval 0.41] [%clk 0:52:05] } 17... Qb7 { [%eval 0.47] [%clk 0:52:45] } 18. Kg1 { [%eval 0.38] [%clk 0:48:38] } 18... Ne5 { [%eval 0.53] [%clk 0:42:00] } 19. Ne1 { [%eval 0.14] [%clk 0:41:49] } 19... b5 { [%eval 0.26] [%clk 0:30:37] } 20. cxb5 { [%eval 0.33] [%clk 0:40:08] } 20... axb5 { [%eval 0.34] [%clk 0:30:39] } 21. Qe3?? { [%eval -1.75] } { Blunder. Nd3 was best. } { [%clk 0:33:40] } 21... Nc7? { [%eval -0.19] } { Mistake. d5 was best. } { [%clk 0:26:28] } 22. Nd3 { [%eval -0.25] [%clk 0:27:42] } 22... Nxd3 { [%eval 0.14] [%clk 0:22:38] } 23. Qxd3 { [%eval 0.16] [%clk 0:26:00] } 23... d5 { [%eval 0.23] [%clk 0:18:21] } 24. e4? { [%eval -1.13] } { Mistake. a4 was best. } { [%clk 0:24:08] } 24... b4 { [%eval -0.59] [%clk 0:17:17] } 25. Na4 { [%eval -0.58] [%clk 0:17:46] } 25... dxe4 { [%eval -0.69] [%clk 0:17:13] } 26. Qd7 { [%eval -0.87] [%clk 0:17:22] } 26... Kf7 { [%eval -0.58] [%clk 0:06:18] } 27. Nc5 { [%eval -1.04] [%clk 0:06:57] } 27... Qb5?! { [%eval 0.0] } { Inaccuracy. Qa8 was best. } { [%clk 0:03:49] } 28. Qxb5 { [%eval 0.0] [%clk 0:04:00] } 28... Nxb5 { [%eval 0.0] [%clk 0:03:55] } 29. Bxb4 { [%eval -0.07] [%clk 0:03:00] } 29... Rfd8 { [%eval 0.17] [%clk 0:01:59] } 30. Na6?! { [%eval -0.71] } { Inaccuracy. Rxd8 was best. } { [%clk 0:02:08] } 30... Nd4?! { [%eval -0.03] } { Inaccuracy. Bxb4 was best. } { [%clk 0:01:42] } 31. Rxc8 { [%eval -0.08] [%clk 0:01:57] } 31... Nf3+ { [%eval -0.01] [%clk 0:01:45] } 32. Kg2?? { [%eval -5.68] } { Blunder. Kf1 was best. } { [%clk 0:01:20] } 32... Rxd1 { [%eval -4.56] [%clk 0:00:31] } 33. Rc7 { [%eval -4.49] [%clk 0:01:05] } 33... Rg1+ { [%eval -4.63] [%clk 0:00:37] } 34. Kh3 { [%eval -4.55] [%clk 0:01:14] } 34... Ng5+?! { [%eval -3.63] } { Inaccuracy. Kg6 was best. } { [%clk 0:00:41] } 35. Kg4 { [%eval -4.31] [%clk 0:00:32] } 35... e5?? { [%eval 4.35] } { Blunder. Kg6 was best. } { [%clk 0:00:41] } 36. h4 { [%eval 4.43] [%clk 0:00:13] } 36... h5+ { [%eval 4.9] [%clk 0:00:19] } 37. Kxh5 { [%eval 4.81] [%clk 0:00:14] } 37... g6+?! { [%eval 7.4] } { Inaccuracy. Ke6 was best. } { [%clk 0:00:11] } 38. Kh6 { [%eval 7.16] [%clk 0:00:22] } 38... Kg8? { [%eval #10] } { Checkmate is now unavoidable. Ke6 was best. } { [%clk 0:00:16] } 39. Rxe7 { [%eval #9] [%clk 0:00:27] } 39... Nf7+ { [%eval #10] [%clk 0:00:11] } 40. Kxg6 { [%eval #9] [%clk 0:00:33] } 40... e3 { [%eval #1] [%clk 0:00:18] } 41. fxe3?? { [%eval 6.86] } { Lost forced checkmate sequence. Re8# was best. } { [%clk 0:00:36] } 41... Rxg3+ { [%eval 6.77] [%clk 0:00:25] } 42. Kxf6 { [%eval 6.83] [%clk 0:00:39] } 42... Rf3+ { [%eval 6.88] [%clk 0:00:16] } 43. Ke6 { [%eval 6.73] [%clk 0:00:46] } 43... Nd8+ { [%eval 6.99] [%clk 0:00:22] } 44. Kd5 { [%eval 6.91] [%clk 0:00:44] } 44... Nf7 { [%eval 7.62] [%clk 0:00:26] } 45. Rxf7 { [%eval 7.4] [%clk 0:00:40] } 45... Rxf7 { [%eval 7.65] [%clk 0:00:31] } 46. Kxe5 { [%eval 7.02] [%clk 0:00:48] } 46... Ra7 { [%eval 6.96] [%clk 0:00:36] } 47. Nc5 { [%eval 7.46] [%clk 0:00:49] } 47... Rxa2 { [%eval 8.0] [%clk 0:00:45] } 48. e4 { [%eval 7.96] [%clk 0:00:44] } 48... Rh2 { [%eval 7.99] [%clk 0:00:51] } 49. Nd7 { [%eval 7.28] [%clk 0:00:44] } 49... Rxh4 { [%eval 7.09] [%clk 0:00:59] } 50. Bc5 { [%eval 7.43] [%clk 0:00:39] } 50... Kf7 { [%eval 7.04] [%clk 0:01:06] } 51. b4 { [%eval 6.54] [%clk 0:00:41] } 51... Rh5+ { [%eval 8.12] [%clk 0:01:15] } 52. Kd6 { [%eval 9.36] [%clk 0:00:41] } 52... Rh6+ { [%eval 9.19] [%clk 0:01:19] } 53. Kc7 { [%eval 8.09] [%clk 0:00:41] } 53... Ke8 { [%eval 8.31] [%clk 0:01:26] } 54. Ne5 { [%eval 7.23] [%clk 0:00:41] } 54... Re6 { [%eval 8.07] [%clk 0:01:29] } 55. Bd4 { [%eval 8.34] [%clk 0:00:42] } 55... Rh6 { [%eval 9.54] [%clk 0:01:29] } 56. b5 { [%eval 8.84] [%clk 0:00:44] } 56... Rh7+ { [%eval 8.55] [%clk 0:01:28] } 57. Kc6 { [%eval 9.69] [%clk 0:00:46] } 57... Kd8 { [%eval 10.24] [%clk 0:01:29] } 58. b6 { [%eval 8.86] [%clk 0:00:49] } 58... Kc8? { [%eval #15] } { Checkmate is now unavoidable. Rh6+ was best. } { [%clk 0:01:36] } 59. Nc4 { [%eval #14] [%clk 0:00:52] } 59... Rh6+ { [%eval #12] [%clk 0:01:41] } 60. Kc5?! { [%eval 12.05] } { Lost forced checkmate sequence. Nd6+ was best. } { [%clk 0:00:52] } 60... Kb7?! { [%eval #13] } { Checkmate is now unavoidable. Kd7 was best. } { [%clk 0:01:45] } 61. Nd6+ { [%eval #12] [%clk 0:00:55] } 61... Ka6 { [%eval #12] [%clk 0:01:55] } 62. e5 { [%eval #11] [%clk 0:00:54] } 62... Rh2 { [%eval #11] [%clk 0:01:58] } 63. e6 { [%eval #10] [%clk 0:00:57] } 63... Rc2+ { [%eval #10] [%clk 0:02:06] } 64. Kd5 { [%eval #9] [%clk 0:01:01] } 64... Re2 { [%eval #6] [%clk 0:01:59] } 65. Ne4 { [%eval #9] [%clk 0:00:58] } 65... Rg2 { [%eval #9] [%clk 0:01:52] } 66. e7 { [%eval #8] [%clk 0:01:03] } 66... Rg8 { [%eval #8] [%clk 0:01:56] } 67. Nf6 { [%eval #7] [%clk 0:01:08] } 67... Rg5+ { [%eval #6] [%clk 0:01:43] } 68. Kd6 { [%eval #7] [%clk 0:01:11] } 68... Kb7 { [%eval #5] [%clk 0:01:43] } 69. e8=Q { [%eval #4] [%clk 0:01:10] } 1-0