Event: 1000GM Ft. Lauderdale Norm Invitational-IM Norm Group
Date: 2023-08-04
White: Nicholas F Matta
Black: Donald Johnson
BlackTitle: FM
Result: 1-0
ECO: D78
Opening: Neo-Grünfeld Defense: Classical Variation, Original Defense
Variant: Standard
TimeControl: G/90;+30

1. d4 { [%eval 0.0] [%clk 1:28:07] } 1... Nf6 { [%eval 0.28] [%clk 1:31:00] } 2. Nf3 { [%eval 0.12] [%clk 1:28:19] } 2... g6 { [%eval 0.21] [%clk 1:31:28] } 3. g3 { [%eval 0.0] [%clk 1:28:10] } 3... Bg7 { [%eval 0.13] [%clk 1:31:53] } 4. Bg2 { [%eval 0.12] [%clk 1:28:29] } 4... O-O { [%eval 0.22] [%clk 1:32:22] } 5. O-O { [%eval 0.13] [%clk 1:28:38] } 5... d5 { [%eval 0.07] [%clk 1:32:51] } 6. c4 { [%eval 0.11] [%clk 1:28:45] } 6... c6 { [%eval 0.11] [%clk 1:33:20] } 7. Qb3 { [%eval 0.0] [%clk 1:29:04] } 7... Qb6 { [%eval 0.17] [%clk 1:33:48] } 8. Rd1 { [%eval -0.13] [%clk 1:29:21] } 8... Bf5 { [%eval -0.26] [%clk 1:33:07] } 9. Nbd2 { [%eval -0.5] [%clk 1:21:16] } 9... Nbd7 { [%eval -0.46] [%clk 1:17:34] } 10. h3 { [%eval -0.59] [%clk 1:14:59] } 10... Ne4? { [%eval 0.53] } { Mistake. Rfc8 was best. } { [%clk 0:56:42] } 11. cxd5 { [%eval 0.71] [%clk 1:07:40] } 11... Qxb3 { [%eval 0.96] [%clk 0:56:04] } 12. Nxb3 { [%eval 0.85] [%clk 1:07:48] } 12... cxd5 { [%eval 0.75] [%clk 0:56:14] } 13. g4 { [%eval 0.98] [%clk 1:07:12] } 13... Be6 { [%eval 0.76] [%clk 0:56:30] } 14. Na5?! { [%eval -0.04] } { Inaccuracy. Ng5 was best. } { [%clk 1:05:14] } 14... Rfc8 { [%eval 0.09] [%clk 0:47:39] } 15. Nxb7 { [%eval 0.15] [%clk 0:58:40] } 15... a5 { [%eval 0.0] [%clk 0:46:30] } 16. Ng5 { [%eval 0.0] [%clk 0:50:40] } 16... Nxg5 { [%eval 0.0] [%clk 0:37:36] } 17. Bxg5 { [%eval 0.05] [%clk 0:50:57] } 17... Ra7 { [%eval 0.0] [%clk 0:37:24] } 18. Nc5 { [%eval 0.0] [%clk 0:47:34] } 18... Nxc5 { [%eval 0.0] [%clk 0:37:41] } 19. dxc5 { [%eval 0.0] [%clk 0:47:55] } 19... Bxb2 { [%eval 0.19] [%clk 0:33:46] } 20. Rab1 { [%eval 0.0] [%clk 0:48:09] } 20... Ba3 { [%eval 0.0] [%clk 0:27:38] } 21. Bxd5 { [%eval 0.01] [%clk 0:42:59] } 21... Bxd5 { [%eval 0.0] [%clk 0:26:13] } 22. Rxd5 { [%eval 0.03] [%clk 0:43:23] } 22... Bxc5 { [%eval 0.0] [%clk 0:24:49] } 23. Bh6 { [%eval 0.0] [%clk 0:38:33] } 23... Bb4 { [%eval -0.01] [%clk 0:21:22] } 24. Rbd1 { [%eval -0.12] [%clk 0:34:49] } 24... Raa8 { [%eval 0.0] [%clk 0:20:34] } 25. Rd7 { [%eval -0.21] [%clk 0:33:43] } 25... e6?! { [%eval 0.49] } { Inaccuracy. f6 was best. } { [%clk 0:19:48] } 26. Rb7 { [%eval 0.37] [%clk 0:32:46] } 26... Rab8 { [%eval 0.62] [%clk 0:19:17] } 27. Ra7 { [%eval 0.45] [%clk 0:31:24] } 27... Bf8 { [%eval 0.96] [%clk 0:12:00] } 28. Bxf8 { [%eval 0.9] [%clk 0:30:37] } 28... Rxf8 { [%eval 0.99] [%clk 0:12:16] } 29. Rxa5?! { [%eval 0.07] } { Inaccuracy. a4 was best. } { [%clk 0:30:53] } 29... Rb2?! { [%eval 0.77] } { Inaccuracy. Ra8 was best. } { [%clk 0:12:38] } 30. Kf1 { [%eval 0.83] [%clk 0:28:47] } 30... Rc8 { [%eval 1.01] [%clk 0:11:40] } 31. Ra7 { [%eval 0.83] [%clk 0:28:40] } 31... Rc4 { [%eval 0.84] [%clk 0:08:37] } 32. Rdd7 { [%eval 0.89] [%clk 0:24:27] } 32... Rf4 { [%eval 0.76] [%clk 0:09:03] } 33. f3 { [%eval 0.73] [%clk 0:24:47] } 33... h5 { [%eval 0.72] [%clk 0:06:28] } 34. Kf2 { [%eval 0.55] [%clk 0:23:33] } 34... Kg7 { [%eval 0.89] [%clk 0:03:52] } 35. Ke3 { [%eval 1.11] [%clk 0:20:50] } 35... g5?! { [%eval 1.97] } { Inaccuracy. Rbb4 was best. } { [%clk 0:03:39] } 36. gxh5 { [%eval 2.13] [%clk 0:19:57] } 36... Rb8?? { [%eval 4.79] } { Blunder. e5 was best. } { [%clk 0:03:43] } 37. h4 { [%eval 5.06] [%clk 0:20:08] } 37... Kh6 { [%eval 5.0] [%clk 0:01:53] } 38. hxg5+ { [%eval 5.0] [%clk 0:16:12] } 38... Kxg5 { [%eval 4.95] [%clk 0:02:22] } 39. Ra5+ { [%eval 4.68] [%clk 0:13:30] } 39... Rf5 { [%eval 4.61] [%clk 0:02:26] } 40. Rxf5+ { [%eval 4.71] [%clk 0:12:38] } 40... exf5 { [%eval 4.3] [%clk 0:02:54] } 41. h6?! { [%eval 3.16] } { Inaccuracy. f4+ was best. } { [%clk 0:10:45] } 41... f4+?! { [%eval 4.1] } { Inaccuracy. Re8+ was best. } { [%clk 0:01:13] } 42. Kf2 { [%eval 4.62] [%clk 0:11:08] } 42... Kxh6 { [%eval 5.23] [%clk 0:01:37] } 43. Rxf7 { [%eval 5.16] [%clk 0:11:13] } 43... Kg5 { [%eval 4.76] [%clk 0:02:06] } 44. Rc7 { [%eval 4.98] [%clk 0:10:58] } 44... Rb2 { [%eval 5.28] [%clk 0:02:31] } 45. Rc5+ { [%eval 4.67] [%clk 0:10:19] } 45... Kf6 { [%eval 5.05] [%clk 0:02:42] } 46. Rc4 { [%eval 4.28] [%clk 0:10:35] } 46... Kf5 { [%eval 4.55] [%clk 0:03:00] } 47. a4 { [%eval 5.13] [%clk 0:11:00] } 47... Ra2 { [%eval 5.26] [%clk 0:03:29] } 48. Re4 { [%eval 4.75] [%clk 0:11:24] } 48... Ra1 { [%eval 4.24] [%clk 0:03:18] } 49. Rb4 { [%eval 4.97] [%clk 0:10:37] } 49... Ke5 { [%eval 5.08] [%clk 0:02:49] } 50. Rc4 { [%eval 4.64] [%clk 0:10:28] } 50... Kf5 { [%eval 5.19] [%clk 0:02:24] } 51. Rc5+ { [%eval 5.14] [%clk 0:09:42] } 51... Kf6 { [%eval 5.3] [%clk 0:02:45] } 52. a5 { [%eval 5.47] [%clk 0:09:51] } 52... Ra2 { [%eval 5.81] [%clk 0:02:48] } 53. Rb5 { [%eval 5.21] [%clk 0:09:11] } 53... Ke6 { [%eval 5.33] [%clk 0:03:08] } 54. Ke1 { [%eval 4.92] [%clk 0:08:36] } 54... Kf6 { [%eval 5.17] [%clk 0:02:00] } 55. Kd1?! { [%eval 3.94] } { Inaccuracy. Rb6+ was best. } { [%clk 0:08:46] } 55... Kg6?! { [%eval 5.3] } { Inaccuracy. Ke6 was best. } { [%clk 0:01:50] } 56. Rb6+ { [%eval 4.85] [%clk 0:07:46] } 56... Kf5 { [%eval 4.2] [%clk 0:02:18] } 57. Ra6 { [%eval 3.76] [%clk 0:08:01] } 57... Kg5?! { [%eval 5.42] } { Inaccuracy. Ra1+ was best. } { [%clk 0:01:17] } 58. Ra8?! { [%eval 3.84] } { Inaccuracy. Ke1 was best. } { [%clk 0:08:19] } 58... Ra1+ { [%eval 3.88] [%clk 0:00:57] } 59. Kd2 { [%eval 5.32] [%clk 0:08:44] } 59... Ra2+ { [%eval 5.74] [%clk 0:01:26] } 60. Kd3?! { [%eval 3.95] } { Inaccuracy. Ke1 was best. } { [%clk 0:08:38] } 60... Ra3+ { [%eval 4.59] [%clk 0:01:51] } 61. Kc4 { [%eval 4.85] [%clk 0:08:44] } 61... Kh4 { [%eval 5.75] [%clk 0:00:56] } 62. Kb4 { [%eval 6.36] [%clk 0:08:20] } 62... Ra2 { [%eval 6.27] [%clk 0:01:07] } 63. Rg8 { [%eval 6.52] [%clk 0:08:28] } 63... Rxe2 { [%eval 6.81] [%clk 0:01:27] } 64. Rg4+ { [%eval 6.84] [%clk 0:08:53] } 64... Kh3 { [%eval 7.24] [%clk 0:01:34] } 65. Rxf4 { [%eval 7.14] [%clk 0:09:12] } 65... Kg3 { [%eval 7.61] [%clk 0:02:03] } 66. Rf8 { [%eval 7.05] [%clk 0:09:14] } 66... Ra2 { [%eval 7.02] [%clk 0:02:27] } 67. Kb5 { [%eval 6.65] [%clk 0:09:29] } 67... Rb2+ { [%eval 6.66] [%clk 0:02:49] } 68. Kc5 { [%eval 6.7] [%clk 0:09:48] } 68... Ra2 { [%eval 6.57] [%clk 0:03:02] } 69. Kb6 { [%eval 6.71] [%clk 0:10:07] } 69... Rb2+ { [%eval 6.62] [%clk 0:03:30] } 70. Ka7 { [%eval 6.82] [%clk 0:10:26] } 70... Rb1 { [%eval 7.14] [%clk 0:03:45] } 71. a6 { [%eval 6.8] [%clk 0:10:52] } 71... Rh1 { [%eval 7.63] [%clk 0:03:44] } 72. Kb8 { [%eval 6.63] [%clk 0:11:07] } 72... Rb1+ { [%eval 7.07] [%clk 0:04:12] } 73. Ka8 { [%eval 7.51] [%clk 0:11:32] } 73... Rb2 { [%eval 7.81] [%clk 0:04:33] } 74. a7 { [%eval 8.34] [%clk 0:11:59] } 74... Rb1 { [%eval 51.31] [%clk 0:04:12] } 75. Rb8 { [%eval 51.36] [%clk 0:12:21] } 75... Rh1 { [%eval 51.12] [%clk 0:04:18] } 76. Kb7 { [%eval 46.51] [%clk 0:12:46] } 76... Rb1+ { [%eval 47.51] [%clk 0:04:43] } 77. Kc6 { [%eval 48.05] [%clk 0:13:08] } 77... Rc1+ { [%eval 60.83] [%clk 0:05:09] } 78. Kd5 { [%eval 62.99] [%clk 0:13:34] } 78... Rd1+ { [%eval 66.43] [%clk 0:05:37] } 79. Kc4 { [%eval 64.39] [%clk 0:13:59] } 79... Rc1+ { [%eval 59.9] [%clk 0:06:03] } 80. Kd3 { [%eval 66.05] [%clk 0:14:26] } 80... Rd1+?! { [%eval #13] } { Checkmate is now unavoidable. Ra1 was best. } { [%clk 0:06:29] } 81. Kc2?! { [%eval 64.74] } { Lost forced checkmate sequence. Ke2 was best. } { [%clk 0:14:52] } 81... Ra1 { [%eval #13] [%clk 0:06:56] } 82. a8=Q { [%eval 67.67] [%clk 0:15:13] } 82... Rxa8 { [%eval #13] [%clk 0:07:21] } 83. Rxa8 { [%eval #12] [%clk 0:15:39] } 1-0