Event: Round 9: Kassa Korley - Arthur Guo
Date: 2021-05-31
White: Kassa Korley
WhiteTitle: IM
Black: Arthur Guo
BlackTitle: IM
Result: 1-0
ECO: D35
Opening: Queen's Gambit Declined: Exchange Variation, Positional Variation
Variant: Standard

1. d4 { [%eval 0.0] [%clk 1:30:58] } 1... Nf6 { [%eval 0.19] [%clk 1:30:43] } 2. c4 { [%eval 0.11] [%clk 1:31:25] } 2... e6 { [%eval 0.39] [%clk 1:30:56] } 3. Nc3 { [%eval 0.0] [%clk 1:31:52] } 3... d5 { [%eval 0.4] [%clk 1:31:19] } 4. cxd5 { [%eval 0.16] [%clk 1:32:16] } 4... exd5 { [%eval 0.13] [%clk 1:31:37] } 5. Bg5 { [%eval 0.21] [%clk 1:32:42] } 5... Be7 { [%eval 0.28] [%clk 1:31:39] } 6. e3 { [%eval 0.27] [%clk 1:33:04] } 6... c6 { [%eval 0.43] [%clk 1:31:50] } 7. Bd3 { [%eval 0.32] [%clk 1:33:21] } 7... Nbd7 { [%eval 0.36] [%clk 1:31:55] } 8. Nf3 { [%eval 0.32] [%clk 1:33:32] } 8... Nh5 { [%eval 0.51] [%clk 1:31:16] } 9. Bxe7 { [%eval 0.37] [%clk 1:33:06] } 9... Qxe7 { [%eval 0.54] [%clk 1:31:43] } 10. O-O { [%eval 0.56] [%clk 1:33:30] } 10... O-O { [%eval 0.57] [%clk 1:31:39] } 11. Qb1 { [%eval 0.39] [%clk 1:29:31] } 11... Nhf6 { [%eval 0.41] [%clk 1:25:36] } 12. b4 { [%eval 0.38] [%clk 1:29:24] } 12... b6?! { [%eval 0.9] } { Inaccuracy. a5 was best. } { [%clk 1:23:45] } 13. a4 { [%eval 0.44] [%clk 1:25:39] } 13... a5 { [%eval 0.37] [%clk 1:19:49] } 14. b5 { [%eval 0.16] [%clk 1:21:59] } 14... c5 { [%eval 0.12] [%clk 1:19:48] } 15. Rd1 { [%eval 0.07] [%clk 1:09:26] } 15... Bb7 { [%eval 0.06] [%clk 1:17:41] } 16. Bf5 { [%eval 0.12] [%clk 1:07:40] } 16... Rad8 { [%eval 0.1] [%clk 1:13:37] } 17. Qb2 { [%eval 0.01] [%clk 1:07:09] } 17... g6 { [%eval 0.24] [%clk 1:08:34] } 18. Bh3 { [%eval 0.0] [%clk 1:02:11] } 18... Rfe8 { [%eval 0.0] [%clk 1:02:33] } 19. Rac1 { [%eval 0.0] [%clk 1:02:31] } 19... Nf8 { [%eval 0.42] [%clk 1:00:01] } 20. Ne5 { [%eval 0.16] [%clk 0:58:34] } 20... Ne6?! { [%eval 0.78] } { Inaccuracy. Qd6 was best. } { [%clk 0:58:56] } 21. Bxe6?! { [%eval 0.09] } { Inaccuracy. Nc6 was best. } { [%clk 0:54:37] } 21... Qxe6 { [%eval 0.12] [%clk 0:59:10] } 22. Ne2 { [%eval 0.0] [%clk 0:52:34] } 22... Ne4 { [%eval 0.37] [%clk 0:57:21] } 23. Nf4 { [%eval 0.71] [%clk 0:51:08] } 23... Qf6 { [%eval 1.09] [%clk 0:51:57] } 24. f3 { [%eval 1.23] [%clk 0:47:29] } 24... Nd6 { [%eval 1.68] [%clk 0:45:05] } 25. dxc5 { [%eval 2.25] [%clk 0:45:09] } 25... bxc5 { [%eval 2.02] [%clk 0:43:47] } 26. Ned3?! { [%eval 1.05] } { Inaccuracy. Nfd3 was best. } { [%clk 0:45:15] } 26... Qe7?! { [%eval 1.72] } { Inaccuracy. d4 was best. } { [%clk 0:33:19] } 27. Rxc5 { [%eval 1.78] [%clk 0:45:37] } 27... Qxe3+ { [%eval 1.62] [%clk 0:28:47] } 28. Qf2 { [%eval 1.61] [%clk 0:46:03] } 28... Qxf2+ { [%eval 1.6] [%clk 0:21:58] } 29. Kxf2 { [%eval 2.18] [%clk 0:44:55] } 29... Nc4? { [%eval 3.56] } { Mistake. Rc8 was best. } { [%clk 0:21:44] } 30. Rc7 { [%eval 3.5] [%clk 0:43:51] } 30... Ba8 { [%eval 3.52] [%clk 0:21:27] } 31. Nc5 { [%eval 3.44] [%clk 0:36:53] } 31... Nb6 { [%eval 3.82] [%clk 0:16:12] } 32. Ra7 { [%eval 3.84] [%clk 0:33:54] } 32... Rc8 { [%eval 3.78] [%clk 0:15:17] } 33. Nfd3 { [%eval 4.16] [%clk 0:33:49] } 33... Nc4 { [%eval 4.12] [%clk 0:13:41] } 34. Rb1 { [%eval 4.24] [%clk 0:30:58] } 34... Rb8?! { [%eval 5.84] } { Inaccuracy. Nd2 was best. } { [%clk 0:10:08] } 35. Nd7 { [%eval 6.01] [%clk 0:28:41] } 35... Re7 { [%eval 5.78] [%clk 0:10:20] } 36. Nf6+ { [%eval 4.55] [%clk 0:28:57] } 36... Kf8 { [%eval 5.06] [%clk 0:10:31] } 37. Nxh7+ { [%eval 5.11] [%clk 0:29:18] } 37... Ke8 { [%eval 5.1] [%clk 0:10:33] } 38. Re1 { [%eval 5.12] [%clk 0:29:31] } 38... Rxe1 { [%eval 5.44] [%clk 0:07:07] } 39. Nf6+ { [%eval 4.82] [%clk 0:28:53] } 39... Kd8 { [%eval 5.1] [%clk 0:07:10] } 40. Kxe1 { [%eval 5.39] [%clk 0:29:15] } 40... Bb7 { [%eval 5.58] [%clk 0:06:58] } 41. Nc5 { [%eval 5.2] [%clk 0:28:56] } 41... Kc7 { [%eval 6.1] [%clk 0:06:20] } 42. Nfd7?! { [%eval 4.53] } { Inaccuracy. Nxd5+ was best. } { [%clk 0:27:28] } 42... Re8+ { [%eval 4.29] [%clk 0:06:48] } 43. Kf2 { [%eval 4.58] [%clk 0:27:51] } 43... Nd6 { [%eval 4.76] [%clk 0:06:58] } 44. Nf6 { [%eval 4.47] [%clk 0:22:54] } 44... Re5 { [%eval 4.55] [%clk 0:04:59] } 45. Rxa5 { [%eval 3.87] [%clk 0:21:04] } 45... d4 { [%eval 4.12] [%clk 0:02:16] } 46. Nxb7 { [%eval 4.61] [%clk 0:19:24] } 46... Kxb7 { [%eval 4.6] [%clk 0:02:32] } 47. Ra6 { [%eval 4.43] [%clk 0:19:41] } 47... Nc4 { [%eval 4.21] [%clk 0:01:38] } 48. Rc6?! { [%eval 3.3] } { Inaccuracy. Ne4 was best. } { [%clk 0:17:31] } 48... Nb2 { [%eval 3.19] [%clk 0:02:06] } 49. Ne4 { [%eval 3.38] [%clk 0:16:42] } 49... Nxa4?! { [%eval 5.08] } { Inaccuracy. Kb8 was best. } { [%clk 0:01:16] } 50. Nd6+ { [%eval 5.32] [%clk 0:14:12] } 50... Kb8 { [%eval 5.09] [%clk 0:01:46] } 51. b6 { [%eval 4.33] [%clk 0:13:00] } 51... Rc5 { [%eval 4.4] [%clk 0:02:08] } 52. Rxc5 { [%eval 4.4] [%clk 0:13:27] } 52... Nxc5 { [%eval 4.66] [%clk 0:02:35] } 53. Nxf7 { [%eval 3.94] [%clk 0:12:47] } 53... Nd3+ { [%eval 4.16] [%clk 0:02:19] } 54. Kf1 { [%eval 3.98] [%clk 0:12:57] } 54... Kb7 { [%eval 4.7] [%clk 0:02:29] } 55. Nd8+?! { [%eval 3.55] } { Inaccuracy. Nh8 was best. } { [%clk 0:13:05] } 55... Kxb6 { [%eval 3.7] [%clk 0:02:56] } 56. Ne6 { [%eval 3.62] [%clk 0:13:32] } 56... Kc6 { [%eval 3.5] [%clk 0:03:05] } 57. Nxd4+ { [%eval 3.3] [%clk 0:13:51] } 57... Kd5 { [%eval 3.36] [%clk 0:03:19] } 58. Nc2 { [%eval 3.55] [%clk 0:14:16] } 58... Ke5 { [%eval 3.52] [%clk 0:02:42] } 59. Ne1 { [%eval 3.44] [%clk 0:14:26] } 59... Nc5 { [%eval 3.73] [%clk 0:02:50] } 60. Kf2 { [%eval 3.93] [%clk 0:14:52] } 60... Kf4 { [%eval 3.95] [%clk 0:02:58] } 61. g3+ { [%eval 4.09] [%clk 0:15:17] } 61... Kf5 { [%eval 4.0] [%clk 0:03:23] } 62. h4 { [%eval 4.33] [%clk 0:15:36] } 62... Ke5 { [%eval 3.85] [%clk 0:03:22] } 63. Ke3 { [%eval 3.92] [%clk 0:15:58] } 63... Ne6 { [%eval 3.86] [%clk 0:03:38] } 64. Nd3+ { [%eval 4.0] [%clk 0:16:22] } 64... Kf6 { [%eval 3.78] [%clk 0:04:05] } 65. g4 { [%eval 4.17] [%clk 0:16:29] } 65... Nc7 { [%eval 4.32] [%clk 0:04:10] } 66. Nb4 { [%eval 3.86] [%clk 0:16:27] } 66... Nb5 { [%eval 3.94] [%clk 0:04:16] } 67. f4 { [%eval 4.09] [%clk 0:13:38] } 67... Nc3 { [%eval 4.17] [%clk 0:04:28] } 68. Kd3 { [%eval 4.09] [%clk 0:13:36] } 68... Nd1 { [%eval 3.91] [%clk 0:04:39] } 69. Nd5+ { [%eval 3.9] [%clk 0:13:34] } 69... Ke6 { [%eval 4.2] [%clk 0:04:46] } 70. Ne3 { [%eval 4.02] [%clk 0:13:59] } 70... Nf2+ { [%eval 3.92] [%clk 0:05:05] } 71. Kd4 { [%eval 3.96] [%clk 0:14:10] } 71... Nh3 { [%eval 4.27] [%clk 0:04:05] } 72. Ke4 { [%eval 4.71] [%clk 0:14:25] } 72... Nf2+ { [%eval 4.85] [%clk 0:04:31] } 73. Kf3 { [%eval 5.16] [%clk 0:14:51] } 73... Nd3 { [%eval 4.52] [%clk 0:04:56] } 74. Nc2 { [%eval 4.82] [%clk 0:14:41] } 74... Nc5 { [%eval 5.09] [%clk 0:03:35] } 75. Ke3 { [%eval 4.97] [%clk 0:14:40] } 75... Kf6 { [%eval 5.25] [%clk 0:03:31] } 76. Nd4 { [%eval 5.52] [%clk 0:15:05] } 76... Kf7 { [%eval 5.87] [%clk 0:03:13] } 77. g5 { [%eval 6.27] [%clk 0:14:01] } 77... Ke7 { [%eval 6.05] [%clk 0:03:32] } 78. f5 { [%eval 6.52] [%clk 0:13:04] } 78... gxf5 { [%eval 8.36] [%clk 0:03:48] } 79. Kf4 { [%eval 8.57] [%clk 0:13:21] } 79... Kf7 { [%eval 10.57] [%clk 0:03:23] } 80. Kxf5 { [%eval 9.96] [%clk 0:13:18] } 80... Nb7 { [%eval 8.81] [%clk 0:03:49] } 81. Nb5 { [%eval 9.8] [%clk 0:13:23] } 81... Kg7 { [%eval 16.0] [%clk 0:04:06] } 82. h5 { [%eval 27.0] [%clk 0:13:49] } 82... Nc5 { [%eval 59.03] [%clk 0:04:24] } 83. h6+ { [%eval 61.43] [%clk 0:13:34] } 83... Kh7 { [%eval 59.38] [%clk 0:04:41] } 84. Nc7 { [%eval 61.41] [%clk 0:13:29] } 84... Nd7 { [%eval 17.75] [%clk 0:02:34] } 85. Ne6 { [%eval 59.87] [%clk 0:10:06] } 85... Nb8?! { [%eval #16] } { Checkmate is now unavoidable. Nb6 was best. } { [%clk 0:02:14] } 86. Nc5?! { [%eval 144.91] } { Lost forced checkmate sequence. Nd8 was best. } { [%clk 0:09:04] } 86... Nc6 { [%eval 147.42] [%clk 0:02:20] } 87. Kf6 { [%eval #17] [%clk 0:09:28] } 87... Nb4 { [%eval #14] [%clk 0:02:18] } 88. Kf7 { [%eval #19] [%clk 0:09:27] } 88... Nc6 { [%eval #19] [%clk 0:02:09] } 89. Nd7 { [%eval #11] [%clk 0:07:04] } 89... Kh8 { [%eval #8] [%clk 0:02:35] } 90. Kg6?! { [%eval 65.72] } { Lost forced checkmate sequence. Kf6 was best. } { [%clk 0:05:16] } 90... Ne7+ { [%eval 65.53] [%clk 0:02:27] } 91. Kf6 { [%eval 60.32] [%clk 0:05:23] } 91... Ng8+ { [%eval 60.89] [%clk 0:02:32] } 92. Kg6 { [%eval 63.67] [%clk 0:05:17] } 92... Ne7+ { [%eval 62.52] [%clk 0:02:52] } 93. Kh5 { [%eval 63.4] [%clk 0:05:06] } 93... Kh7 { [%eval 100.61] [%clk 0:02:43] } 94. Nf8+ { [%eval 12.41] [%clk 0:04:36] } 94... Kg8 { [%eval 59.49] [%clk 0:03:03] } 95. Nd7 { [%eval 59.86] [%clk 0:02:40] } 95... Kh7 { [%eval 63.57] [%clk 0:03:18] } 96. Ne5 { [%eval #17] [%clk 0:03:01] } 96... Nf5 { [%eval #11] [%clk 0:01:43] } 97. g6+ { [%eval #10] [%clk 0:03:27] } 97... Kg8 { [%eval #17] [%clk 0:02:10] } 98. Nf7 { [%eval #13] [%clk 0:03:12] } 98... Ng3+ { [%eval #9] [%clk 0:02:23] } 99. Kg4 { [%eval #5] [%clk 0:03:34] } 1-0