Event: Round 4: Steven C Zierk - John Michael Burke
Date: 2023-12-28
White: Steven C Zierk
WhiteTitle: GM
Black: John Michael Burke
BlackTitle: GM
Result: 1-0
ECO: A06
Opening: Nimzo-Larsen Attack: Classical Variation
Variant: Standard

1. Nf3 { [%eval 0.2] [%clk 1:30:00] } 1... d5 { [%eval 0.34] [%clk 1:30:00] } 2. b3 { [%eval 0.0] [%clk 1:30:00] } 2... Nf6 { [%eval 0.13] [%clk 1:29:54] } 3. Bb2 { [%eval 0.0] [%clk 1:30:00] } 3... Bf5 { [%eval 0.0] [%clk 1:29:54] } 4. g3 { [%eval 0.0] [%clk 1:30:00] } 4... e6 { [%eval 0.0] [%clk 1:29:54] } 5. Bg2 { [%eval 0.0] [%clk 1:30:00] } 5... h6 { [%eval 0.13] [%clk 1:29:54] } 6. O-O { [%eval 0.0] [%clk 1:30:00] } 6... Be7 { [%eval 0.0] [%clk 1:29:51] } 7. d3 { [%eval 0.0] [%clk 1:30:00] } 7... O-O { [%eval 0.0] [%clk 1:29:45] } 8. Nbd2 { [%eval -0.01] [%clk 1:30:00] } 8... Bh7 { [%eval -0.06] [%clk 1:28:12] } 9. Re1 { [%eval 0.0] [%clk 1:29:49] } 9... a5 { [%eval -0.08] [%clk 1:27:56] } 10. a3 { [%eval 0.0] [%clk 1:29:49] } 10... c6 { [%eval -0.02] [%clk 1:25:20] } 11. e4 { [%eval 0.0] [%clk 1:29:49] } 11... Qb6 { [%eval -0.03] [%clk 1:22:31] } 12. a4 { [%eval -0.34] [%clk 1:28:59] } 12... Na6 { [%eval -0.26] [%clk 1:19:49] } 13. Qe2 { [%eval -0.27] [%clk 1:22:32] } 13... Nb4 { [%eval -0.11] [%clk 1:17:12] } 14. Rec1 { [%eval -0.34] [%clk 1:17:32] } 14... Rfd8 { [%eval -0.28] [%clk 1:08:25] } 15. Ne5 { [%eval -0.24] [%clk 1:13:39] } 15... Bf8 { [%eval -0.15] [%clk 1:06:24] } 16. h4 { [%eval 0.0] [%clk 1:08:36] } 16... Rac8 { [%eval 0.01] [%clk 0:51:37] } 17. g4 { [%eval 0.11] [%clk 1:05:16] } 17... dxe4?! { [%eval 0.89] } { Inaccuracy. Nd7 was best. } { [%clk 0:48:19] } 18. g5?! { [%eval 0.07] } { Inaccuracy. dxe4 was best. } { [%clk 0:55:21] } 18... hxg5?! { [%eval 1.17] } { Inaccuracy. exd3 was best. } { [%clk 0:40:26] } 19. hxg5 { [%eval 1.27] [%clk 0:54:48] } 19... Nd7?! { [%eval 2.37] } { Inaccuracy. exd3 was best. } { [%clk 0:40:20] } 20. g6 { [%eval 2.0] [%clk 0:53:42] } 20... fxg6 { [%eval 2.37] [%clk 0:39:26] } 21. Nec4 { [%eval 1.75] [%clk 0:51:11] } 21... Qc7 { [%eval 1.53] [%clk 0:32:44] } 22. Nxe4 { [%eval 1.65] [%clk 0:49:36] } 22... Re8 { [%eval 1.52] [%clk 0:29:30] } 23. Qg4 { [%eval 1.75] [%clk 0:41:50] } 23... Nd5 { [%eval 1.49] [%clk 0:28:22] } 24. Re1 { [%eval 1.07] [%clk 0:35:34] } 24... b5 { [%eval 1.01] [%clk 0:27:38] } 25. Ne3 { [%eval 1.07] [%clk 0:33:32] } 25... Qf4 { [%eval 1.03] [%clk 0:27:13] } 26. Qh3 { [%eval 0.9] [%clk 0:31:07] } 26... g5 { [%eval 0.58] [%clk 0:24:30] } 27. Bc1?! { [%eval 0.03] } { Inaccuracy. axb5 was best. } { [%clk 0:28:25] } 27... Qh4?! { [%eval 0.93] } { Inaccuracy. N5f6 was best. } { [%clk 0:19:28] } 28. Nxg5?! { [%eval 0.15] } { Inaccuracy. Nxd5 was best. } { [%clk 0:26:23] } 28... Qxg5 { [%eval 0.28] [%clk 0:19:28] } 29. Nxd5 { [%eval 0.25] [%clk 0:26:23] } 29... Qf5 { [%eval 0.63] [%clk 0:19:28] } 30. Nf4?! { [%eval 0.02] } { Inaccuracy. Qxf5 was best. } { [%clk 0:20:37] } 30... Bb4 { [%eval 0.14] [%clk 0:17:30] } 31. Re2 { [%eval 0.14] [%clk 0:19:25] } 31... e5 { [%eval 0.15] [%clk 0:16:08] } 32. Nh5 { [%eval 0.19] [%clk 0:18:58] } 32... bxa4?! { [%eval 0.75] } { Inaccuracy. Bc3 was best. } { [%clk 0:13:59] } 33. Rxa4?! { [%eval 0.03] } { Inaccuracy. Ng3 was best. } { [%clk 0:17:49] } 33... Nc5 { [%eval 0.03] [%clk 0:11:28] } 34. Qh4? { [%eval -1.08] } { Mistake. Ra2 was best. } { [%clk 0:15:29] } 34... Nxa4 { [%eval -1.08] [%clk 0:09:47] } 35. bxa4 { [%eval -1.13] [%clk 0:14:04] } 35... Be7 { [%eval -0.84] [%clk 0:08:34] } 36. Qh2 { [%eval -1.31] [%clk 0:13:36] } 36... Qg4 { [%eval -1.09] [%clk 0:06:27] } 37. Kf1 { [%eval -1.53] [%clk 0:09:55] } 37... Bg6 { [%eval -1.56] [%clk 0:05:15] } 38. Ng3 { [%eval -1.59] [%clk 0:09:06] } 38... Qxa4 { [%eval -1.05] [%clk 0:04:18] } 39. Bh3 { [%eval -0.61] [%clk 0:09:02] } 39... Bf6 { [%eval -0.26] [%clk 0:03:16] } 40. Bxc8 { [%eval -0.21] [%clk 0:08:29] } 40... Rxc8 { [%eval -0.22] [%clk 0:03:16] } 41. Qh3 { [%eval -0.18] [%clk 0:29:24] } 41... Re8 { [%eval -0.43] [%clk 0:30:08] } 42. Nh5 { [%eval -0.7] [%clk 0:26:53] } 42... Bh4 { [%eval -0.71] [%clk 0:26:42] } 43. Ng3 { [%eval -0.42] [%clk 0:25:05] } 43... Bd8 { [%eval -0.07] [%clk 0:23:41] } 44. Qd7 { [%eval -0.09] [%clk 0:23:31] } 44... Rf8 { [%eval 0.0] [%clk 0:12:57] } 45. Bb2 { [%eval 0.0] [%clk 0:20:40] } 45... Bf6 { [%eval 0.0] [%clk 0:09:23] } 46. Bxe5 { [%eval 0.0] [%clk 0:20:36] } 46... Bxe5 { [%eval 0.0] [%clk 0:08:48] } 47. Qe6+ { [%eval 0.0] [%clk 0:20:36] } 47... Bf7 { [%eval 0.0] [%clk 0:07:28] } 48. Qxe5 { [%eval 0.0] [%clk 0:20:36] } 48... Re8 { [%eval 0.0] [%clk 0:06:58] } 49. Qc3 { [%eval 0.0] [%clk 0:16:28] } 49... Qb5 { [%eval 0.0] [%clk 0:06:03] } 50. Rxe8+ { [%eval 0.0] [%clk 0:13:58] } 50... Bxe8 { [%eval 0.0] [%clk 0:06:03] } 51. Ne4 { [%eval 0.0] [%clk 0:13:58] } 51... Bf7 { [%eval 0.0] [%clk 0:04:28] } 52. Ke1 { [%eval 0.0] [%clk 0:12:05] } 52... a4 { [%eval 0.0] [%clk 0:03:48] } 53. Kd2 { [%eval 0.0] [%clk 0:12:01] } 53... Bd5 { [%eval 0.0] [%clk 0:02:37] } 54. Nc5 { [%eval 0.0] [%clk 0:11:55] } 54... Qb8 { [%eval 0.0] [%clk 0:02:37] } 55. d4 { [%eval 0.0] [%clk 0:04:58] } 55... Qf4+ { [%eval 0.0] [%clk 0:02:07] } 56. Ke2 { [%eval 0.0] [%clk 0:04:58] } 56... Qg4+ { [%eval 0.0] [%clk 0:00:42] } 57. Kd2 { [%eval 0.0] [%clk 0:03:29] } 57... Qg5+ { [%eval 0.0] [%clk 0:00:42] } 58. Ke2 { [%eval 0.0] [%clk 0:03:29] } 58... Bf7 { [%eval 0.0] [%clk 0:00:42] } 59. Qb4 { [%eval 0.0] [%clk 0:02:40] } 59... Qg4+ { [%eval 0.0] [%clk 0:00:24] } 60. Kd2 { [%eval 0.0] [%clk 0:02:12] } 60... Qf4+ { [%eval 0.0] [%clk 0:00:24] } 61. Kc3 { [%eval 0.0] [%clk 0:02:12] } 61... Qxf2 { [%eval 0.0] [%clk 0:00:24] } 62. Qxa4 { [%eval 0.0] [%clk 0:01:59] } 62... Qf3+ { [%eval 0.0] [%clk 0:00:16] } 63. Kb2 { [%eval 0.0] [%clk 0:01:59] } 63... Qd5 { [%eval 0.0] [%clk 0:00:11] } 64. Nd3 { [%eval 0.0] [%clk 0:01:59] } 64... g5 { [%eval 0.0] [%clk 0:00:11] } 65. Ne5 { [%eval 0.0] [%clk 0:01:38] } 65... Be8 { [%eval 0.0] [%clk 0:00:11] } 66. Qb4 { [%eval 0.0] [%clk 0:01:12] } 66... Qe6 { [%eval 0.06] [%clk 0:00:11] } 67. Qb8 { [%eval 0.07] [%clk 0:01:12] } 67... Kg7 { [%eval 0.05] [%clk 0:00:11] } 68. c4 { [%eval 0.07] [%clk 0:00:53] } 68... Kf6 { [%eval 0.04] [%clk 0:00:11] } 69. Qc7 { [%eval 0.0] [%clk 0:00:53] } 69... Kf5 { [%eval 0.43] [%clk 0:00:08] } 70. Qh7+ { [%eval 0.13] [%clk 0:00:53] } 70... Kf4?? { [%eval 6.66] } { Blunder. Kf6 was best. } { [%clk 0:00:08] } 71. Qh2+ { [%eval 6.61] [%clk 0:00:50] } 71... Ke3 { [%eval 6.49] [%clk 0:00:08] } 72. Qg1+ { [%eval 6.64] [%clk 0:00:41] } 72... Ke2 { [%eval 6.27] [%clk 0:00:08] } 73. Qg2+ { [%eval 6.39] [%clk 0:00:41] } 73... Ke3 { [%eval 6.42] [%clk 0:00:08] } 74. Kc3 { [%eval 5.77] [%clk 0:00:17] } 74... g4 { [%eval 6.28] [%clk 0:00:08] } 75. Qg3+?? { [%eval 2.06] } { Blunder. Nd3 was best. } { [%clk 0:00:17] } 75... Ke4 { [%eval 1.9] [%clk 0:00:08] } 76. Nxg4 { [%eval 2.07] [%clk 0:00:17] } 76... Kf5 { [%eval 2.27] [%clk 0:00:08] } 77. Ne5 { [%eval 1.83] [%clk 0:00:17] } 77... c5 { [%eval 2.27] [%clk 0:00:08] } 78. Qg4+ { [%eval 2.5] [%clk 0:00:17] } 78... Kf6 { [%eval 2.87] [%clk 0:00:08] } 79. Qh4+ { [%eval 2.94] [%clk 0:00:17] } 79... Kf5 { [%eval 2.84] [%clk 0:00:08] } 80. Qh7+ { [%eval 2.76] [%clk 0:00:17] } 80... Kf6 { [%eval 2.89] [%clk 0:00:08] } 81. Qh6+? { [%eval 1.22] } { Mistake. Qh4+ was best. } { [%clk 0:00:17] } 81... Kf5?? { [%eval 4.33] } { Blunder. Ke7 was best. } { [%clk 0:00:08] } 82. Qh7+? { [%eval 2.38] } { Mistake. Qf8+ was best. } { [%clk 0:00:17] } 82... Kf6 { [%eval 2.84] [%clk 0:00:08] } 83. Qh8+?! { [%eval 1.96] } { Inaccuracy. Qh4+ was best. } { [%clk 0:00:17] } 83... Kf5?? { [%eval 4.57] } { Blunder. Ke7 was best. } { [%clk 0:00:08] } 84. Qf8+ { [%eval 4.16] [%clk 0:00:17] } 84... Ke4?? { [%eval #1] } { Checkmate is now unavoidable. Kg5 was best. } { [%clk 0:00:08] } 85. Qf3# { [%clk 0:00:17] } 1-0