Event: Round 4: Haydon, David L - Willmoth, Robert F
Site: https://lichess.org/broadcast/2025-london-chess-classic--fide-open/round-4/0SbuZ22n/g5fLc7KJ
Date: 2025-11-29
White: Haydon, David L
WhiteTitle: FM
WhiteElo: 2284
Black: Willmoth, Robert F
BlackTitle: CM
BlackElo: 2130
Result: 1-0
ECO: E80
Opening: King's Indian Defense: Sämisch Variation
Variant: Standard

1. c4 { [%eval 0.12] [%clk 1:30:57] } 1... Nf6 { [%eval 0.14] [%clk 1:30:03] } 2. Nc3 { [%eval 0.12] [%clk 1:30:12] } 2... g6 { [%eval 0.48] [%clk 1:30:26] } 3. d4 { [%eval 0.18] [%clk 1:29:49] } 3... Bg7 { [%eval 0.46] [%clk 1:30:51] } 4. e4 { [%eval 0.4] [%clk 1:29:43] } 4... d6 { [%eval 0.55] [%clk 1:31:16] } 5. f3 { [%eval 0.29] [%clk 1:29:43] } 5... Nbd7 { [%eval 0.57] [%clk 1:29:28] } 6. Be3 { [%eval 0.53] [%clk 1:28:13] } 6... c6 { [%eval 0.64] [%clk 1:29:48] } 7. Qd2 { [%eval 0.37] [%clk 1:26:32] } 7... e5 { [%eval 0.71] [%clk 1:30:08] } 8. d5 { [%eval 0.88] [%clk 1:19:54] } 8... c5?! { [%eval 1.61] } { Inaccuracy. cxd5 was best. } { [%clk 1:29:12] } 9. Bd3 { [%eval 1.44] [%clk 1:16:07] } 9... a6 { [%eval 1.59] [%clk 1:28:20] } 10. Nge2 { [%eval 1.34] [%clk 1:15:39] } 10... Rb8 { [%eval 1.61] [%clk 1:27:00] } 11. a3 { [%eval 1.27] [%clk 1:08:56] } 11... Qe7 { [%eval 1.56] [%clk 1:22:56] } 12. b4 { [%eval 1.22] [%clk 1:05:36] } 12... b6 { [%eval 1.3] [%clk 1:17:50] } 13. Rb1 { [%eval 1.34] [%clk 1:03:37] } 13... h6 { [%eval 1.6] [%clk 1:16:48] } 14. Na4 { [%eval 1.55] [%clk 0:59:24] } 14... Qd8 { [%eval 1.54] [%clk 1:14:29] } 15. O-O { [%eval 1.57] [%clk 0:57:45] } 15... Kf8 { [%eval 1.87] [%clk 1:10:22] } 16. Rb2 { [%eval 1.82] [%clk 0:56:18] } 16... Kg8 { [%eval 1.94] [%clk 1:10:24] } 17. Rfb1 { [%eval 1.77] [%clk 0:55:39] } 17... Ra8 { [%eval 1.74] [%clk 1:06:26] } 18. Nec3 { [%eval 1.73] [%clk 0:45:42] } 18... Kh7 { [%eval 2.11] [%clk 1:02:45] } 19. bxc5 { [%eval 1.57] [%clk 0:37:47] } 19... bxc5 { [%eval 1.53] [%clk 1:02:24] } 20. Bc2 { [%eval 1.53] [%clk 0:35:24] } 20... Bf8 { [%eval 1.59] [%clk 1:01:52] } 21. Ne2 { [%eval 1.54] [%clk 0:35:22] } 21... Rg8 { [%eval 1.68] [%clk 0:58:45] } 22. Ng3 { [%eval 1.49] [%clk 0:34:11] } 22... Qc7 { [%eval 1.55] [%clk 0:54:32] } 23. h3 { [%eval 1.38] [%clk 0:29:34] } 23... Ra7 { [%eval 1.37] [%clk 0:52:18] } 24. Qf2 { [%eval 1.3] [%clk 0:28:12] } 24... Rb7 { [%eval 1.37] [%clk 0:50:00] } 25. Rxb7 { [%eval 1.42] [%clk 0:27:39] } 25... Bxb7 { [%eval 1.34] [%clk 0:50:27] } 26. Bd2 { [%eval 1.31] [%clk 0:25:05] } 26... Be7 { [%eval 1.65] [%clk 0:49:45] } 27. Bc3 { [%eval 1.11] [%clk 0:23:05] } 27... Rb8 { [%eval 1.02] [%clk 0:48:41] } 28. Rf1 { [%eval 0.99] [%clk 0:22:36] } 28... Bf8 { [%eval 1.23] [%clk 0:45:41] } 29. Nb2 { [%eval 1.11] [%clk 0:20:27] } 29... Bg7 { [%eval 1.07] [%clk 0:41:04] } 30. Nd3 { [%eval 1.0] [%clk 0:19:55] } 30... Re8 { [%eval 1.45] [%clk 0:40:00] } 31. a4 { [%eval 1.26] [%clk 0:18:40] } 31... Re7 { [%eval 1.61] [%clk 0:39:04] } 32. a5 { [%eval 1.55] [%clk 0:18:01] } 32... Bc8 { [%eval 1.57] [%clk 0:37:17] } 33. Kh1 { [%eval 1.44] [%clk 0:17:13] } 33... Qd8 { [%eval 1.46] [%clk 0:37:13] } 34. Bd2 { [%eval 1.13] [%clk 0:16:22] } 34... Ng8 { [%eval 1.52] [%clk 0:33:14] } 35. Rb1 { [%eval 1.51] [%clk 0:10:27] } 35... f6 { [%eval 1.68] [%clk 0:30:01] } 36. Ba4 { [%eval 1.61] [%clk 0:08:17] } 36... Rf7 { [%eval 1.82] [%clk 0:30:11] } 37. f4 { [%eval 2.1] [%clk 0:05:22] } 37... exf4 { [%eval 1.93] [%clk 0:25:45] } 38. Nxf4 { [%eval 1.52] [%clk 0:04:41] } 38... Ne5 { [%eval 1.5] [%clk 0:25:54] } 39. Qe2?! { [%eval 0.83] } { Inaccuracy. Bc3 was best. } { [%clk 0:04:13] } 39... Re7?! { [%eval 1.56] } { Inaccuracy. Rb7 was best. } { [%clk 0:21:29] } 40. Rb6 { [%eval 1.39] [%clk 0:03:40] } 40... Ra7 { [%eval 1.64] [%clk 0:18:00] } 41. Bc3 { [%eval 1.44] [%clk 0:02:05] } 41... Qe7 { [%eval 1.43] [%clk 0:16:13] } 42. Bc6?! { [%eval 0.8] } { Inaccuracy. Bc2 was best. } { [%clk 0:00:56] } 42... h5 { [%eval 0.88] [%clk 0:13:57] } 43. Ba4?! { [%eval 0.0] } { Inaccuracy. Rb8 was best. } { [%clk 0:25:31] } 43... Bh6 { [%eval 0.07] [%clk 0:42:33] } 44. Bd2 { [%eval 0.0] [%clk 0:23:02] } 44... h4 { [%eval 0.01] [%clk 0:41:47] } 45. Nf1 { [%eval 0.0] [%clk 0:23:29] } 45... Bxf4?! { [%eval 0.96] } { Inaccuracy. Rb7 was best. } { [%clk 0:38:04] } 46. Bxf4 { [%eval 1.05] [%clk 0:23:45] } 46... g5 { [%eval 1.29] [%clk 0:37:48] } 47. Bd2 { [%eval 1.15] [%clk 0:23:13] } 47... Nh6 { [%eval 1.54] [%clk 0:34:23] } 48. Ne3 { [%eval 1.68] [%clk 0:21:18] } 48... Nd7? { [%eval 3.37] } { Mistake. Kg8 was best. } { [%clk 0:32:40] } 49. Rb1? { [%eval 1.7] } { Mistake. Rc6 was best. } { [%clk 0:18:17] } 49... Ne5 { [%eval 1.55] [%clk 0:29:58] } 50. Bc3 { [%eval 1.8] [%clk 0:17:57] } 50... Qd8? { [%eval 3.65] } { Mistake. g4 was best. } { [%clk 0:29:07] } 51. Qh5 { [%eval 3.47] [%clk 0:16:51] } 51... Rg7?! { [%eval 5.21] } { Inaccuracy. Qe7 was best. } { [%clk 0:28:25] } 52. Rb8 { [%eval 5.5] [%clk 0:16:41] } 52... Qc7 { [%eval 6.05] [%clk 0:27:45] } 53. Rxc8 { [%eval 5.56] [%clk 0:11:55] } 53... Qxc8 { [%eval 6.57] [%clk 0:28:13] } 54. Nf5 { [%eval 6.31] [%clk 0:11:51] } 54... Nf7 { [%eval 6.43] [%clk 0:16:28] } 55. Bxf6 { [%eval 6.05] [%clk 0:11:10] } 55... Qb8 { [%eval 6.94] [%clk 0:14:23] } 56. Bxg7 { [%eval 7.23] [%clk 0:11:30] } 56... Qb1+ { [%eval 7.38] [%clk 0:14:20] } 57. Bd1 { [%eval 7.03] [%clk 0:07:39] } 57... Qxe4 { [%eval 6.14] [%clk 0:14:28] } 58. Bxh6 { [%eval 6.11] [%clk 0:07:44] } 58... Qe1+ { [%eval 6.12] [%clk 0:11:24] } 59. Kh2 { [%eval 6.01] [%clk 0:08:12] } 59... Qe5+ { [%eval 5.84] [%clk 0:11:47] } 60. g3 { [%eval 5.37] [%clk 0:08:35] } 60... hxg3+?! { [%eval 7.01] } { Inaccuracy. Qxf5 was best. } { [%clk 0:10:19] } 61. Nxg3 { [%eval 6.68] [%clk 0:07:04] } 61... Nxh6?! { [%eval 10.61] } { Inaccuracy. Qb2+ was best. } { [%clk 0:10:22] } 62. Bc2+ { [%eval 8.24] [%clk 0:07:20] } 1-0