Event: British Chess Championships 2023: Major Open
Site: The Venue, De Montfort University, United Kingdom
Date: 2023-07-28
White: Sugden, John N
WhiteElo: 1977
Black: Sedykh, Mikhail
BlackElo: 2084
Result: 0-1
ECO: D55
Opening: Queen's Gambit Declined: Neo-Orthodox Variation, Main Line
Variant: Standard
TimeControl: 40 moves in 90 + 30 min with 30 seconds added per move

1. d4 { [%eval 0.0] [%clk 1:30:41] } 1... d5 { [%eval 0.27] [%clk 1:30:57] } 2. c4 { [%eval 0.29] [%clk 1:30:55] } 2... e6 { [%eval 0.3] [%clk 1:31:23] } 3. Nc3 { [%eval 0.39] [%clk 1:30:43] } 3... Be7 { [%eval 0.27] [%clk 1:31:47] } 4. Nf3 { [%eval 0.2] [%clk 1:30:42] } 4... Nf6 { [%eval 0.0] [%clk 1:32:03] } 5. Bg5 { [%eval 0.0] [%clk 1:30:41] } 5... h6 { [%eval 0.16] [%clk 1:32:25] } 6. Bh4 { [%eval 0.0] [%clk 1:30:42] } 6... O-O { [%eval 0.0] [%clk 1:32:26] } 7. e3 { [%eval 0.0] [%clk 1:30:45] } 7... Nbd7 { [%eval 0.25] [%clk 1:32:30] } 8. Bd3 { [%eval 0.11] [%clk 1:28:35] } 8... dxc4 { [%eval 0.18] [%clk 1:32:04] } 9. Bxc4 { [%eval 0.19] [%clk 1:28:46] } 9... c5 { [%eval 0.12] [%clk 1:32:30] } 10. O-O { [%eval 0.15] [%clk 1:27:39] } 10... cxd4 { [%eval 0.1] [%clk 1:28:26] } 11. exd4 { [%eval 0.16] [%clk 1:26:59] } 11... a6 { [%eval 0.05] [%clk 1:25:13] } 12. a3 { [%eval -0.41] [%clk 1:12:49] } 12... b5 { [%eval -0.34] [%clk 1:15:16] } 13. Ba2 { [%eval -0.33] [%clk 1:12:29] } 13... Bb7 { [%eval -0.3] [%clk 1:15:28] } 14. Qe2 { [%eval -0.33] [%clk 1:11:43] } 14... Re8 { [%eval -0.24] [%clk 1:10:03] } 15. Rfe1 { [%eval -0.35] [%clk 0:57:09] } 15... Nf8 { [%eval -0.18] [%clk 1:01:09] } 16. Rad1 { [%eval -0.16] [%clk 0:49:58] } 16... Ng6 { [%eval 0.07] [%clk 0:37:49] } 17. Bg3 { [%eval -0.02] [%clk 0:49:24] } 17... Qb6 { [%eval 0.0] [%clk 0:35:27] } 18. Bb1 { [%eval 0.06] [%clk 0:40:31] } 18... Nf8 { [%eval 0.0] [%clk 0:35:43] } 19. Be5 { [%eval -0.45] [%clk 0:37:06] } 19... Red8 { [%eval -0.41] [%clk 0:31:21] } 20. h3 { [%eval -0.41] [%clk 0:27:41] } 20... Rac8 { [%eval -0.42] [%clk 0:30:35] } 21. Qe3 { [%eval -0.4] [%clk 0:21:18] } 21... b4 { [%eval -0.53] [%clk 0:24:27] } 22. axb4 { [%eval -0.6] [%clk 0:19:23] } 22... Qxb4 { [%eval -0.53] [%clk 0:24:47] } 23. Rd2 { [%eval -0.64] [%clk 0:18:05] } 23... Nd5 { [%eval -0.65] [%clk 0:22:33] } 24. Nxd5 { [%eval -0.6] [%clk 0:17:18] } 24... Bxd5 { [%eval -0.69] [%clk 0:22:54] } 25. Be4 { [%eval -0.58] [%clk 0:16:04] } 25... a5 { [%eval -0.74] [%clk 0:20:53] } 26. Bxd5 { [%eval -0.72] [%clk 0:15:02] } 26... Rxd5 { [%eval -0.75] [%clk 0:21:19] } 27. Ree2 { [%eval -0.8] [%clk 0:11:54] } 27... Qb7 { [%eval -0.4] [%clk 0:18:00] } 28. Rc2 { [%eval -0.42] [%clk 0:11:34] } 28... Rb5 { [%eval -0.12] [%clk 0:16:54] } 29. Rxc8 { [%eval -0.55] [%clk 0:08:31] } 29... Qxc8 { [%eval -0.46] [%clk 0:17:22] } 30. Qd2 { [%eval -0.41] [%clk 0:07:36] } 30... Nd7 { [%eval -0.27] [%clk 0:15:57] } 31. Bf4 { [%eval -0.44] [%clk 0:03:29] } 31... Nf6 { [%eval -0.24] [%clk 0:14:18] } 32. Qc2 { [%eval -0.51] [%clk 0:03:23] } 32... Qb7 { [%eval -0.56] [%clk 0:13:21] } 33. Qc7?! { [%eval -1.14] } { Inaccuracy. Bg3 was best. } { [%clk 0:03:03] } 33... Nd5?! { [%eval -0.48] } { Inaccuracy. Qxc7 was best. } { [%clk 0:12:16] } 34. Qxb7 { [%eval -0.43] [%clk 0:03:17] } 34... Rxb7 { [%eval -0.59] [%clk 0:12:44] } 35. Be5?! { [%eval -1.65] } { Inaccuracy. Be3 was best. } { [%clk 0:03:03] } 35... f6 { [%eval -1.79] [%clk 0:07:11] } 36. Bg3 { [%eval -1.65] [%clk 0:03:26] } 36... Kf7 { [%eval -1.63] [%clk 0:07:38] } 37. Kf1 { [%eval -1.73] [%clk 0:02:49] } 37... Nb6?! { [%eval -0.98] } { Inaccuracy. Rb3 was best. } { [%clk 0:03:23] } 38. Bf4 { [%eval -1.12] [%clk 0:02:48] } 38... Na4?! { [%eval -0.27] } { Inaccuracy. Nd5 was best. } { [%clk 0:03:15] } 39. Bc1 { [%eval -0.28] [%clk 0:01:40] } 39... g5 { [%eval -0.17] [%clk 0:02:19] } 40. Rc2 { [%eval -0.19] [%clk 0:01:20] } 40... Bb4 { [%eval -0.26] [%clk 0:01:01] } 41. Ke2 { [%eval -0.27] [%clk 0:26:09] } 41... h5 { [%eval -0.14] [%clk 0:28:53] } 42. Kd3 { [%eval -0.31] [%clk 0:21:42] } 42... Rd7 { [%eval -0.11] [%clk 0:21:10] } 43. Ke2 { [%eval -0.28] [%clk 0:14:55] } 43... g4 { [%eval -0.24] [%clk 0:19:02] } 44. hxg4 { [%eval -0.15] [%clk 0:14:56] } 44... hxg4 { [%eval -0.25] [%clk 0:19:31] } 45. Nh2 { [%eval -0.18] [%clk 0:13:19] } 45... Rxd4 { [%eval -0.07] [%clk 0:13:26] } 46. Be3 { [%eval -0.07] [%clk 0:13:06] } 46... Re4 { [%eval -0.05] [%clk 0:12:30] } 47. Kd3 { [%eval -0.06] [%clk 0:11:21] } 47... f5 { [%eval -0.06] [%clk 0:12:44] } 48. f3 { [%eval -0.28] [%clk 0:10:41] } 48... gxf3 { [%eval -0.2] [%clk 0:13:09] } 49. Nxf3 { [%eval -0.25] [%clk 0:10:46] } 49... Ke7 { [%eval -0.27] [%clk 0:08:01] } 50. Bd4? { [%eval -1.68] } { Mistake. b3 was best. } { [%clk 0:09:58] } 50... Kd6 { [%eval -1.61] [%clk 0:08:08] } 51. Rc4?! { [%eval -2.52] } { Inaccuracy. b3 was best. } { [%clk 0:04:20] } 51... Kd5 { [%eval -2.85] [%clk 0:05:39] } 52. b3?! { [%eval -3.93] } { Inaccuracy. Rc8 was best. } { [%clk 0:02:03] } 52... Nc5+ { [%eval -3.64] [%clk 0:06:01] } 53. Bxc5 { [%eval -3.93] [%clk 0:02:25] } 53... Rxc4 { [%eval -4.29] [%clk 0:04:49] } 54. bxc4+ { [%eval -4.37] [%clk 0:02:49] } 54... Kxc5 { [%eval -4.14] [%clk 0:05:17] } 55. Nd4 { [%eval -4.51] [%clk 0:01:17] } 55... Kd6 { [%eval -4.29] [%clk 0:05:39] } 56. Nf3 { [%eval -4.85] [%clk 0:01:14] } 56... e5 { [%eval -4.96] [%clk 0:05:29] } 57. Ng1 { [%eval -5.98] [%clk 0:00:51] } 57... Kc5 { [%eval -6.17] [%clk 0:04:50] } 58. Ne2 { [%eval -6.36] [%clk 0:00:49] } 58... e4+ { [%eval -6.35] [%clk 0:04:48] } 59. Kc2 { [%eval -6.38] [%clk 0:01:06] } 59... Kxc4 { [%eval -6.33] [%clk 0:05:01] } 60. Ng3 { [%eval -6.26] [%clk 0:01:10] } 60... e3 { [%eval -6.14] [%clk 0:05:06] } 61. Ne2 { [%eval -6.75] [%clk 0:01:09] } 61... a4 { [%eval -6.78] [%clk 0:05:09] } 62. Nc1 { [%eval -7.02] [%clk 0:00:41] } 62... a3 { [%eval -7.43] [%clk 0:04:25] } 63. Kb1?! { [%eval -35.24] } { Inaccuracy. Ne2 was best. } { [%clk 0:00:37] } 63... Bd2 { [%eval -8.03] [%clk 0:02:43] } 64. Ne2 { [%eval -7.02] [%clk 0:00:41] } 64... Kd3 { [%eval -7.02] [%clk 0:02:36] } 65. Nf4+ { [%eval -7.02] [%clk 0:01:00] } 65... Ke4 { [%eval -6.97] [%clk 0:03:00] } 66. Ne2 { [%eval -7.23] [%clk 0:01:20] } 66... f4 { [%eval -7.19] [%clk 0:03:03] } 67. Ka2 { [%eval -7.71] [%clk 0:01:00] } 67... Bb4 { [%eval -7.34] [%clk 0:03:24] } 68. Kb3 { [%eval -7.65] [%clk 0:00:53] } 68... Bd6 { [%eval -8.29] [%clk 0:03:37] } 69. Kc3 { [%eval -10.3] [%clk 0:00:50] } 69... f3 { [%eval -34.61] [%clk 0:03:22] } 0-1