Event: Round 4: Collyer, David - Gurner, Jem
Date: 2024-02-24
White: Collyer, David
WhiteElo: 1477
Black: Gurner, Jem
BlackTitle: CM
BlackElo: 1841
Result: 1/2-1/2
ECO: B99
Opening: Sicilian Defense: Najdorf Variation, Main Line
Variant: Standard

1. e4 { [%eval 0.13] [%clk 0:15:17] } 1... c5 { [%eval 0.33] [%clk 0:15:19] } 2. Nf3 { [%eval 0.22] [%clk 0:15:26] } 2... d6 { [%eval 0.0] [%clk 0:15:27] } 3. d4 { [%eval 0.19] [%clk 0:15:34] } 3... cxd4 { [%eval 0.13] [%clk 0:15:36] } 4. Nxd4 { [%eval 0.27] [%clk 0:15:43] } 4... Nf6 { [%eval 0.3] [%clk 0:15:45] } 5. Nc3 { [%eval 0.21] [%clk 0:15:52] } 5... a6 { [%eval 0.24] [%clk 0:15:53] } 6. Bg5 { [%eval 0.0] [%clk 0:16:00] } 6... e6 { [%eval 0.08] [%clk 0:16:00] } 7. f4 { [%eval 0.14] [%clk 0:16:09] } 7... Be7 { [%eval 0.55] [%clk 0:16:06] } 8. Qf3 { [%eval 0.37] [%clk 0:16:18] } 8... Qc7 { [%eval 0.35] [%clk 0:16:07] } 9. O-O-O { [%eval 0.26] [%clk 0:16:25] } 9... Nbd7 { [%eval 0.54] [%clk 0:16:09] } 10. g4 { [%eval 0.54] [%clk 0:16:33] } 10... h6 { [%eval 0.59] [%clk 0:16:08] } 11. Bh4?! { [%eval 0.02] } { Inaccuracy. Bxf6 was best. } { [%clk 0:16:33] } 11... g5?! { [%eval 0.75] } { Inaccuracy. b5 was best. } { [%clk 0:16:12] } 12. fxg5?! { [%eval -0.22] } { Inaccuracy. e5 was best. } { [%clk 0:15:35] } 12... Ne5 { [%eval -0.17] [%clk 0:16:12] } 13. Qg3 { [%eval -0.14] [%clk 0:14:55] } 13... Nfxg4 { [%eval 0.0] [%clk 0:15:40] } 14. gxh6 { [%eval 0.0] [%clk 0:13:10] } 14... Rxh6?! { [%eval 0.76] } { Inaccuracy. Bxh4 was best. } { [%clk 0:14:01] } 15. Bxe7 { [%eval 0.66] [%clk 0:12:34] } 15... Qxe7 { [%eval 0.57] [%clk 0:14:01] } 16. Be2?! { [%eval -0.07] } { Inaccuracy. h4 was best. } { [%clk 0:11:34] } 16... Nf6?! { [%eval 0.96] } { Inaccuracy. Qg5+ was best. } { [%clk 0:09:25] } 17. Rhg1 { [%eval 0.53] [%clk 0:10:23] } 17... Bd7 { [%eval 0.56] [%clk 0:07:41] } 18. Nf3 { [%eval 0.49] } 18... Nxf3 { [%eval 0.74] [%clk 0:04:17] } 19. Bxf3 { [%eval 0.67] [%clk 0:09:12] } 19... O-O-O?! { [%eval 1.36] } { Inaccuracy. Rg6 was best. } { [%clk 0:04:05] } 20. Qxd6? { [%eval -0.16] } { Mistake. e5 was best. } { [%clk 0:07:19] } 20... Qxd6 { [%eval -0.21] [%clk 0:03:58] } 21. Rxd6 { [%eval -0.24] [%clk 0:07:27] } 21... Rxh2?! { [%eval 0.69] } { Inaccuracy. Bc6 was best. } { [%clk 0:03:49] } 22. e5 { [%eval 0.62] [%clk 0:07:14] } 22... Ne8?! { [%eval 1.75] } { Inaccuracy. Nd5 was best. } { [%clk 0:02:54] } 23. Rb6 { [%eval 1.74] [%clk 0:07:09] } 23... Bc6 { [%eval 1.68] [%clk 0:02:05] } 24. Bxc6 { [%eval 1.48] [%clk 0:06:56] } 24... bxc6 { [%eval 1.41] [%clk 0:02:12] } 25. Rxc6+ { [%eval 1.11] [%clk 0:06:54] } 25... Kb7 { [%eval 1.02] [%clk 0:02:19] } 26. Rc4 { [%eval 0.78] [%clk 0:06:42] } 26... Nc7?! { [%eval 1.91] } { Inaccuracy. Ng7 was best. } { [%clk 0:01:12] } 27. Ne4?! { [%eval 1.29] } { Inaccuracy. Rf1 was best. } { [%clk 0:06:25] } 27... Nb5?! { [%eval 2.39] } { Inaccuracy. Nd5 was best. } { [%clk 0:01:08] } 28. a4 { [%eval 1.93] [%clk 0:04:02] } 28... Nd4 { [%eval 1.51] [%clk 0:01:12] } 29. Re1? { [%eval 0.09] } { Mistake. Kb1 was best. } { [%clk 0:03:33] } 29... Nf3 { [%eval 0.09] [%clk 0:00:39] } 30. Rf1 { [%eval 0.1] [%clk 0:01:28] } 30... Nxe5 { [%eval 0.14] [%clk 0:00:41] } 31. Rc5 { [%eval 0.13] [%clk 0:01:14] } 31... Rh5 { [%eval 0.29] [%clk 0:00:39] } 32. Rxf7+ { [%eval 0.22] [%clk 0:01:10] } 32... Nxf7?? { [%eval 3.19] } { Blunder. Kb8 was best. } { [%clk 0:00:49] } 33. Rxh5 { [%eval 3.02] [%clk 0:02:14] } 33... Kb6 { [%eval 3.09] [%clk 0:00:33] } 34. a5+ { [%eval 3.25] [%clk 0:02:07] } 34... Kc6 { [%eval 3.23] [%clk 0:00:40] } 35. Rc5+ { [%eval 3.21] [%clk 0:02:03] } 35... Kb7 { [%eval 3.21] [%clk 0:00:48] } 36. Rh5 { [%eval 3.0] [%clk 0:01:15] } 36... Kc6 { [%eval 3.01] [%clk 0:00:52] } 37. Rc5+ { [%eval 2.79] [%clk 0:01:17] } 37... Kb7 { [%eval 3.17] [%clk 0:01:01] } 38. c3 { [%eval 2.6] [%clk 0:01:25] } 38... Rh8 { [%eval 2.45] [%clk 0:00:51] } 39. Ng5 { [%eval 2.7] [%clk 0:01:06] } 39... Nd8 { [%eval 2.78] [%clk 0:00:23] } 40. Ne4 { [%eval 2.57] [%clk 0:00:51] } 40... Nf7 { [%eval 2.61] [%clk 0:00:28] } 41. Ng5 { [%eval 2.58] [%clk 0:00:56] } 41... Nd8 { [%eval 2.98] [%clk 0:00:37] } 42. Kc2?! { [%eval 2.26] } { Inaccuracy. b4 was best. } { [%clk 0:00:58] } 42... Rh5 { [%eval 2.55] [%clk 0:00:24] } 43. Ne4 { [%eval 2.52] [%clk 0:00:52] } 43... Rh2+ { [%eval 2.66] [%clk 0:00:30] } 44. Kb3 { [%eval 2.66] [%clk 0:00:59] } 44... Nc6 { [%eval 2.55] [%clk 0:00:36] } 45. Nd6+ { [%eval 2.1] [%clk 0:00:42] } 45... Kc7 { [%eval 2.06] [%clk 0:00:44] } 46. Nc4 { [%eval 2.0] [%clk 0:00:40] } 46... Kb7 { [%eval 2.31] [%clk 0:00:49] } 47. Ne5 { [%eval 2.34] [%clk 0:00:33] } 47... Rh5? { [%eval 4.53] } { Mistake. Nb8 was best. } { [%clk 0:00:34] } 48. Rxc6 { [%eval 4.53] [%clk 0:00:37] } 48... Rxe5 { [%eval 4.52] [%clk 0:00:43] } 49. Rb6+ { [%eval 4.56] [%clk 0:00:46] } 49... Ka7 { [%eval 4.51] [%clk 0:00:49] } 50. Kb4 { [%eval 4.25] [%clk 0:00:49] } 50... Re2 { [%eval 4.45] [%clk 0:00:40] } 51. Kc4 { [%eval 4.39] [%clk 0:00:46] } 51... e5 { [%eval 5.23] [%clk 0:00:40] } 52. b4 { [%eval 5.2] [%clk 0:00:43] } 52... Re1 { [%eval 5.54] [%clk 0:00:25] } 53. Re6 { [%eval 5.38] [%clk 0:00:44] } 53... Kb7 { [%eval 5.37] [%clk 0:00:23] } 54. Kd5 { [%eval 5.5] [%clk 0:00:36] } 54... Rc1 { [%eval 6.17] [%clk 0:00:31] } 55. c4 { [%eval 6.05] [%clk 0:00:43] } 55... Rb1 { [%eval 6.17] [%clk 0:00:38] } 56. Kc5 { [%eval 6.17] [%clk 0:00:46] } 56... Re1 { [%eval 6.91] [%clk 0:00:41] } 57. Re7+ { [%eval 6.75] [%clk 0:00:54] } 57... Kc8 { [%eval 6.57] [%clk 0:00:50] } 58. Kb6 { [%eval 6.66] [%clk 0:00:36] } 58... Kd8 { [%eval 6.12] [%clk 0:00:52] } 59. Rb7 { [%eval 6.09] [%clk 0:00:18] } 59... e4 { [%eval 5.34] [%clk 0:00:59] } 60. Kxa6?? { [%eval 0.0] } { Blunder. Rh7 was best. } { [%clk 0:00:25] } 60... e3 { [%eval 0.0] [%clk 0:01:07] } 61. Rh7 { [%eval 0.01] [%clk 0:00:26] } 61... Rc1?? { [%eval 6.42] } { Blunder. Rb1 was best. } { [%clk 0:00:49] } 62. Rh2 { [%eval 6.5] [%clk 0:00:27] } 62... Rxc4 { [%eval 6.23] [%clk 0:00:50] } 63. Re2?? { [%eval 0.0] } { Blunder. b5 was best. } { [%clk 0:00:31] } 63... Rxb4 { [%eval 0.0] [%clk 0:00:54] } 64. Rxe3 { [%eval 0.0] [%clk 0:00:34] } 64... Kc7 { [%eval 0.0] [%clk 0:01:02] } 65. Re7+ { [%eval 0.0] [%clk 0:00:32] } 65... Kb8 { [%eval 0.0] [%clk 0:01:05] } 66. Re8+ { [%eval 0.0] [%clk 0:00:32] } 66... Kc7 { [%eval 0.0] [%clk 0:01:11] } 67. Ka7 { [%eval 0.0] [%clk 0:00:30] } 67... Rb7+ { [%eval 0.0] [%clk 0:01:10] } 68. Ka8 { [%eval 0.0] [%clk 0:00:33] } 68... Rb1 { [%eval 0.0] [%clk 0:00:51] } 69. a6 { [%eval 0.0] [%clk 0:00:38] } 69... Ra1 { [%eval 0.0] [%clk 0:00:40] } 70. Ka7 { [%eval 0.0] [%clk 0:00:32] } 70... Rb1 { [%eval 0.0] [%clk 0:00:43] } 71. Re2 { [%eval 0.0] [%clk 0:00:27] } 71... Kc8 { [%eval 0.0] [%clk 0:00:34] } 72. Rc2+ { [%eval 0.0] [%clk 0:00:34] } 72... Kd7 { [%eval 0.0] [%clk 0:00:44] } 73. Ka8 { [%eval 0.0] [%clk 0:00:34] } 73... Ra1 { [%eval 0.0] [%clk 0:00:46] } 74. a7 { [%eval 0.0] [%clk 0:00:42] } 74... Rb1 { [%eval 0.0] [%clk 0:00:51] } 75. Rh2 { [%eval 0.0] [%clk 0:00:40] } 75... Kc7 { [%eval 0.0] [%clk 0:00:49] } 76. Rh7+ { [%eval 0.0] [%clk 0:00:43] } 76... Kc8 { [%eval 0.0] [%clk 0:00:52] } 77. Rh8+ { [%eval 0.0] [%clk 0:00:48] } 77... Kc7 { [%eval 0.0] [%clk 0:01:01] } 78. Rb8 { [%eval 0.0] [%clk 0:00:49] } 78... Ra1 { [%eval 0.0] [%clk 0:00:59] } 1/2-1/2