Event: African Championship
Site: chess24.com
Date: 2021-05-27
White: Okeke Issac
WhiteElo: 2097
Black: Nyambalo, Joseph Xavier
BlackTitle: CM
BlackElo: 2032
Result: 1-0
ECO: B92
Opening: Sicilian Defense: Najdorf Variation, Opocensky Variation
Variant: Standard

1. e4 { [%eval 0.24] [%clk 1:27:22] } 1... c5 { [%eval 0.32] [%clk 1:30:56] } 2. Nf3 { [%eval 0.0] [%clk 1:27:36] } 2... d6 { [%eval 0.0] [%clk 1:31:23] } 3. d4 { [%eval 0.23] [%clk 1:28:03] } 3... cxd4 { [%eval 0.13] [%clk 1:31:50] } 4. Nxd4 { [%eval 0.0] [%clk 1:28:29] } 4... Nf6 { [%eval 0.14] [%clk 1:32:16] } 5. Nc3 { [%eval 0.0] [%clk 1:28:50] } 5... a6 { [%eval 0.05] [%clk 1:32:45] } 6. Be2 { [%eval 0.07] [%clk 1:29:08] } 6... e5 { [%eval 0.13] [%clk 1:31:30] } 7. Nb3 { [%eval 0.0] [%clk 1:29:34] } 7... Be6 { [%eval 0.25] [%clk 1:31:29] } 8. Be3 { [%eval 0.27] [%clk 1:29:52] } 8... Nbd7 { [%eval 0.36] [%clk 1:27:46] } 9. g4 { [%eval -0.06] [%clk 1:29:21] } 9... Nb6?? { [%eval 1.63] } { Blunder. Rc8 was best. } { [%clk 1:27:15] } 10. g5 { [%eval 1.31] [%clk 1:27:12] } 10... Nfd7 { [%eval 1.67] [%clk 1:27:33] } 11. Qd2 { [%eval 1.26] [%clk 1:23:40] } 11... Rc8 { [%eval 1.4] [%clk 1:24:57] } 12. O-O-O { [%eval 1.33] [%clk 1:21:28] } 12... Qc7 { [%eval 1.5] [%clk 1:17:53] } 13. Kb1 { [%eval 1.47] [%clk 1:17:55] } 13... Nc4 { [%eval 1.77] [%clk 1:11:12] } 14. Bxc4 { [%eval 2.0] [%clk 1:18:10] } 14... Qxc4 { [%eval 1.52] [%clk 1:11:32] } 15. f3 { [%eval 1.0] [%clk 1:11:43] } 15... b5?! { [%eval 1.78] } { Inaccuracy. Be7 was best. } { [%clk 1:09:48] } 16. Qf2? { [%eval 0.65] } { Mistake. Na5 was best. } { [%clk 1:07:51] } 16... b4?! { [%eval 1.37] } { Inaccuracy. Be7 was best. } { [%clk 1:08:46] } 17. Nd5 { [%eval 1.17] [%clk 1:07:01] } 17... Bxd5? { [%eval 2.5] } { Mistake. Be7 was best. } { [%clk 1:05:25] } 18. Rxd5 { [%eval 2.47] [%clk 1:03:48] } 18... Be7 { [%eval 2.65] [%clk 1:02:41] } 19. h4 { [%eval 2.17] [%clk 0:56:14] } 19... O-O { [%eval 2.06] [%clk 1:01:30] } 20. Qg2 { [%eval 1.53] [%clk 0:24:06] } 20... f5 { [%eval 1.96] [%clk 0:59:34] } 21. gxf6?? { [%eval -0.14] } { Blunder. Rc1 was best. } { [%clk 0:21:28] } 21... Nxf6 { [%eval 0.0] [%clk 0:59:44] } 22. Rg1 { [%eval -0.27] [%clk 0:20:35] } 22... Rf7 { [%eval -0.14] [%clk 0:59:08] } 23. Rdd1?! { [%eval -0.73] } { Inaccuracy. Rd2 was best. } { [%clk 0:18:27] } 23... d5 { [%eval -0.51] [%clk 0:56:44] } 24. Bh6?! { [%eval -1.19] } { Inaccuracy. exd5 was best. } { [%clk 0:13:09] } 24... Bf8?! { [%eval -0.65] } { Inaccuracy. dxe4 was best. } { [%clk 0:56:09] } 25. exd5 { [%eval -0.62] [%clk 0:12:25] } 25... Nxd5 { [%eval -0.72] [%clk 0:56:08] } 26. Bg5 { [%eval -0.82] [%clk 0:09:09] } 26... Nf4 { [%eval -0.66] [%clk 0:53:41] } 27. Qd2 { [%eval -0.72] [%clk 0:05:01] } 27... Qb5 { [%eval -0.62] [%clk 0:52:05] } 28. Rg4 { [%eval -1.11] [%clk 0:03:08] } 28... h5 { [%eval -1.09] [%clk 0:51:25] } 29. Rgg1 { [%eval -1.46] [%clk 0:02:37] } 29... a5 { [%eval -1.14] [%clk 0:47:03] } 30. Nd4 { [%eval -1.68] [%clk 0:01:33] } 30... Qc4 { [%eval -1.91] [%clk 0:45:27] } 31. Bxf4 { [%eval -1.94] [%clk 0:01:11] } 31... Rxf4 { [%eval -2.34] [%clk 0:45:51] } 32. Ne2 { [%eval -2.3] [%clk 0:00:48] } 32... Rxf3 { [%eval -2.22] [%clk 0:45:21] } 33. Ng3?! { [%eval -3.21] } { Inaccuracy. b3 was best. } { [%clk 0:00:49] } 33... Qf7?! { [%eval -1.96] } { Inaccuracy. Bc5 was best. } { [%clk 0:44:32] } 34. Ne4 { [%eval -1.9] [%clk 0:00:48] } 34... Be7 { [%eval -1.43] [%clk 0:44:14] } 35. Qd7 { [%eval -1.83] [%clk 0:00:38] } 35... Rd8?? { [%eval 4.71] } { Blunder. Rc4 was best. } { [%clk 0:43:29] } 36. Qxd8+ { [%eval 4.56] [%clk 0:00:47] } 36... Bxd8 { [%eval 4.38] [%clk 0:36:39] } 37. Rxd8+ { [%eval 4.54] [%clk 0:01:16] } 37... Qf8 { [%eval 4.5] [%clk 0:37:08] } 38. Rxf8+ { [%eval 4.45] [%clk 0:01:44] } 38... Rxf8 { [%eval 4.62] [%clk 0:37:37] } 39. Ng5 { [%eval 4.25] [%clk 0:01:29] } 39... g6 { [%eval 4.47] [%clk 0:36:55] } 40. c4 { [%eval 4.49] [%clk 0:01:25] } 40... bxc3 { [%eval 4.38] [%clk 1:07:08] } 41. bxc3 { [%eval 4.47] [%clk 0:30:59] } 41... Rf4 { [%eval 4.44] [%clk 1:06:25] } 42. Rh1 { [%eval 4.16] [%clk 0:29:40] } 42... Rg4 { [%eval 4.29] [%clk 1:06:06] } 43. Nf3 { [%eval 3.6] [%clk 0:24:42] } 43... e4 { [%eval 4.5] [%clk 1:04:50] } 44. Ne5 { [%eval 4.23] [%clk 0:24:16] } 44... Rg3 { [%eval 4.78] [%clk 0:01:34] } 45. Rc1?! { [%eval 3.72] } { Inaccuracy. c4 was best. } { [%clk 0:23:24] } 45... e3 { [%eval 3.86] [%clk 0:59:06] } 46. Kc2 { [%eval 3.27] [%clk 0:21:41] } 46... Kg7 { [%eval 3.85] [%clk 0:59:00] } 47. Kd3 { [%eval 3.63] [%clk 0:21:13] } 47... Kf6 { [%eval 3.84] [%clk 0:58:56] } 48. Nc4 { [%eval 4.02] [%clk 0:20:07] } 48... e2+ { [%eval 4.05] [%clk 0:58:13] } 49. Kxe2 { [%eval 3.94] [%clk 0:17:54] } 49... Rg4 { [%eval 4.54] [%clk 0:58:26] } 50. Nd2 { [%eval 3.94] [%clk 0:15:07] } 50... Rxh4 { [%eval 4.91] [%clk 0:58:35] } 51. c4 { [%eval 4.54] [%clk 0:15:20] } 51... Ke6 { [%eval 4.99] [%clk 0:55:31] } 52. Rg1?! { [%eval 3.87] } { Inaccuracy. Nf3 was best. } { [%clk 0:12:42] } 52... Kf5?! { [%eval 5.0] } { Inaccuracy. Rh2+ was best. } { [%clk 0:50:36] } 53. Rg5+?? { [%eval 0.26] } { Blunder. c5 was best. } { [%clk 0:07:34] } 53... Kxg5 { [%eval 0.12] [%clk 0:43:07] } 54. Nf3+ { [%eval 0.36] [%clk 0:07:59] } 54... Kf4 { [%eval 0.05] [%clk 0:43:36] } 55. Nxh4 { [%eval 0.25] [%clk 0:07:55] } 55... g5 { [%eval 0.03] [%clk 0:43:57] } 56. c5 { [%eval 0.0] [%clk 0:02:33] } 56... Ke5 { [%eval 0.0] [%clk 0:44:06] } 57. Nf3+ { [%eval 0.0] [%clk 0:02:54] } 57... Kd5 { [%eval 0.0] [%clk 0:44:36] } 58. Nxg5 { [%eval 0.0] [%clk 0:03:00] } 58... Kxc5 { [%eval 0.0] [%clk 0:45:05] } 59. Kd3 { [%eval 0.0] [%clk 0:02:56] } 59... Kb4 { [%eval 0.0] [%clk 0:44:09] } 60. Kc2 { [%eval 0.0] [%clk 0:02:55] } 60... a4?! { [%eval 0.54] } { Inaccuracy. Ka3 was best. } { [%clk 0:44:32] } 61. Nf3?! { [%eval 0.0] } { Inaccuracy. Kb2 was best. } { [%clk 0:02:02] } 61... Kc4?? { [%eval 2.46] } { Blunder. Ka3 was best. } { [%clk 0:43:25] } 62. a3 { [%eval 2.41] [%clk 0:02:12] } 62... Kd5 { [%eval 2.57] [%clk 0:41:16] } 63. Kd3 { [%eval 2.5] [%clk 0:02:34] } 63... Kc5? { [%eval 4.53] } { Mistake. Kd6 was best. } { [%clk 0:40:25] } 64. Kc3 { [%eval 15.62] [%clk 0:02:46] } 64... Kd5 { [%eval 5.4] [%clk 0:40:03] } 65. Kd3?? { [%eval 2.63] } { Blunder. Kb4 was best. } { [%clk 0:02:45] } 65... Kc5?? { [%eval 5.47] } { Blunder. Ke6 was best. } { [%clk 0:39:01] } 66. Kc3 { [%eval 10.58] [%clk 0:03:03] } 66... Kd5 { [%eval 11.67] [%clk 0:39:25] } 67. Kb4 { [%eval 14.49] [%clk 0:02:42] } 67... Ke4 { [%eval 13.81] [%clk 0:39:40] } 68. Nh4 { [%eval 25.57] [%clk 0:02:54] } 68... Kf4 { [%eval 19.82] [%clk 0:39:58] } 69. Kxa4 { [%eval 28.03] [%clk 0:03:11] } 69... Kg4 { [%eval 24.12] [%clk 0:40:10] } 70. Kb5 { [%eval 60.03] [%clk 0:03:15] } 70... Kxh4 { [%eval 59.99] [%clk 0:40:33] } 71. a4 { [%eval 59.91] [%clk 0:03:40] } 71... Kg3 { [%eval 59.86] [%clk 0:40:31] } 72. a5 { [%eval 60.01] [%clk 0:04:06] } 72... h4 { [%eval 60.98] [%clk 0:41:00] } 73. a6 { [%eval 60.78] [%clk 0:04:31] } 73... h3?! { [%eval #27] } { Checkmate is now unavoidable. Kg4 was best. } { [%clk 0:41:29] } 74. a7 { [%eval #40] [%clk 0:04:12] } 74... h2 { [%eval #11] [%clk 0:41:57] } 75. a8=Q { [%eval #17] [%clk 0:04:32] } 1-0