Event: 45th FIDE Chess Olympiad
Site: Budapest, Hungary
Date: 2024-09-11
White: Mchangama Omar
WhiteElo: 0
Black: Efimov, Igor
BlackTitle: GM
BlackElo: 2338
Result: 0-1
ECO: B20
Opening: Sicilian Defense: Bowdler Attack
Variant: Standard
TimeControl: 40/5400+30:1800_30\

1. e4 { [%eval 0.18] [%clk 1:30:51] } 1... c5 { [%eval 0.25] [%clk 1:30:12] } 2. Bc4 { [%eval 0.0] [%clk 1:30:33] } 2... e6 { [%eval -0.02] [%clk 1:30:22] } 3. Nc3 { [%eval -0.2] [%clk 1:29:09] } 3... a6 { [%eval -0.2] [%clk 1:30:33] } 4. a4 { [%eval -0.19] [%clk 1:29:18] } 4... Nc6 { [%eval -0.12] [%clk 1:30:50] } 5. Nf3 { [%eval -0.21] [%clk 1:25:35] } 5... Nf6 { [%eval -0.17] [%clk 1:30:37] } 6. d3 { [%eval -0.16] [%clk 1:25:40] } 6... Qc7 { [%eval -0.06] [%clk 1:29:46] } 7. Be3 { [%eval -0.36] [%clk 1:13:28] } 7... Be7 { [%eval -0.35] [%clk 1:29:37] } 8. h3 { [%eval -0.35] [%clk 1:13:08] } 8... O-O { [%eval -0.24] [%clk 1:26:31] } 9. Qc1 { [%eval -0.45] [%clk 1:07:20] } 9... b6 { [%eval -0.21] [%clk 1:23:43] } 10. Bf4 { [%eval -0.36] [%clk 1:05:57] } 10... d6 { [%eval -0.35] [%clk 1:24:01] } 11. Bh2 { [%eval -0.78] [%clk 1:05:03] } 11... Bb7 { [%eval -0.57] [%clk 1:23:56] } 12. Qd2?! { [%eval -1.23] } { Inaccuracy. Bb3 was best. } { [%clk 1:03:17] } 12... Qd7?! { [%eval -0.54] } { Inaccuracy. Nd4 was best. } { [%clk 1:20:18] } 13. O-O { [%eval -0.55] [%clk 0:57:01] } 13... Rac8 { [%eval -0.34] [%clk 1:16:58] } 14. Rfe1 { [%eval -0.31] [%clk 0:56:12] } 14... Nd4 { [%eval -0.27] [%clk 1:16:52] } 15. Qd1?! { [%eval -1.12] } { Inaccuracy. Nxd4 was best. } { [%clk 0:53:52] } 15... b5?! { [%eval -0.24] } { Inaccuracy. Nxf3+ was best. } { [%clk 1:12:54] } 16. axb5 { [%eval -0.24] [%clk 0:52:09] } 16... axb5 { [%eval -0.31] [%clk 1:13:16] } 17. Ba2?! { [%eval -1.07] } { Inaccuracy. Nxd4 was best. } { [%clk 0:50:58] } 17... b4?! { [%eval 0.0] } { Inaccuracy. Nxf3+ was best. } { [%clk 1:13:22] } 18. Nxd4 { [%eval -0.07] [%clk 0:50:21] } 18... bxc3 { [%eval -0.12] [%clk 1:12:51] } 19. Nf3 { [%eval -0.05] [%clk 0:47:05] } 19... cxb2 { [%eval -0.03] [%clk 1:12:15] } 20. Rb1 { [%eval -0.09] [%clk 0:47:09] } 20... Bd8 { [%eval -0.09] [%clk 1:07:13] } 21. Rxb2 { [%eval -0.03] [%clk 0:45:31] } 21... Ba5 { [%eval -0.08] [%clk 1:07:31] } 22. Rf1 { [%eval -0.14] [%clk 0:45:20] } 22... Ba8 { [%eval 0.08] [%clk 1:01:23] } 23. Qb1?! { [%eval -0.5] } { Inaccuracy. Bc4 was best. } { [%clk 0:41:03] } 23... Bc7 { [%eval -0.16] [%clk 0:55:49] } 24. Bc4 { [%eval -0.46] [%clk 0:39:14] } 24... d5 { [%eval -0.34] [%clk 0:51:53] } 25. e5?? { [%eval -2.31] } { Blunder. exd5 was best. } { [%clk 0:36:10] } 25... dxc4 { [%eval -2.22] [%clk 0:47:13] } 26. exf6 { [%eval -1.95] [%clk 0:35:43] } 26... Bxh2+?! { [%eval -1.11] } { Inaccuracy. Bxf3 was best. } { [%clk 0:45:29] } 27. Nxh2 { [%eval -1.07] [%clk 0:35:53] } 27... Qd5 { [%eval -1.04] [%clk 0:45:43] } 28. f3 { [%eval -1.07] [%clk 0:34:37] } 28... Qd4+ { [%eval -0.72] [%clk 0:43:57] } 29. Kh1 { [%eval -1.13] [%clk 0:33:54] } 29... Qxf6 { [%eval -0.9] [%clk 0:44:10] } 30. dxc4 { [%eval -0.9] [%clk 0:32:56] } 30... Rfd8 { [%eval -0.94] [%clk 0:42:10] } 31. Rb3 { [%eval -0.93] [%clk 0:29:18] } 31... Qf4 { [%eval -0.67] [%clk 0:40:04] } 32. Rd1 { [%eval -0.63] [%clk 0:26:15] } 32... Qxc4?! { [%eval 0.0] } { Inaccuracy. Rxd1+ was best. } { [%clk 0:27:26] } 33. Rxd8+ { [%eval 0.0] [%clk 0:25:51] } 33... Rxd8 { [%eval 0.0] [%clk 0:27:54] } 34. Rb8 { [%eval 0.0] [%clk 0:25:07] } 34... Qd5 { [%eval 0.0] [%clk 0:27:58] } 35. Rxd8+?! { [%eval -0.84] } { Inaccuracy. Qb6 was best. } { [%clk 0:20:04] } 35... Qxd8 { [%eval -0.85] [%clk 0:28:17] } 36. Ng4 { [%eval -0.91] [%clk 0:19:01] } 36... Bc6?! { [%eval -0.29] } { Inaccuracy. h5 was best. } { [%clk 0:25:04] } 37. Qe1?! { [%eval -0.97] } { Inaccuracy. Ne5 was best. } { [%clk 0:15:28] } 37... Be8 { [%eval -0.5] [%clk 0:22:55] } 38. c3 { [%eval -0.6] [%clk 0:14:10] } 38... Qd6 { [%eval -0.35] [%clk 0:19:44] } 39. Qe5 { [%eval -0.39] [%clk 0:10:52] } 39... Qb6 { [%eval -0.45] [%clk 0:15:32] } 40. Qg3 { [%eval -0.55] [%clk 0:10:40] } 40... Kf8 { [%eval -0.55] [%clk 0:15:38] } 41. Qe5 { [%eval -0.97] [%clk 0:09:01] } 41... f6 { [%eval -0.95] [%clk 0:15:53] } 42. Qe1 { [%eval -0.98] [%clk 0:04:29] } 42... Bg6 { [%eval -1.09] [%clk 0:13:42] } 43. Ne3 { [%eval -1.02] [%clk 0:02:41] } 43... Bd3 { [%eval -1.13] [%clk 0:12:49] } 44. c4? { [%eval -2.42] } { Mistake. Kh2 was best. } { [%clk 0:01:33] } 44... Qb2 { [%eval -2.43] [%clk 0:11:44] } 45. Qd1?! { [%eval -3.3] } { Inaccuracy. Nd1 was best. } { [%clk 0:00:49] } 45... Qd4?! { [%eval -2.41] } { Inaccuracy. Qc3 was best. } { [%clk 0:11:47] } 46. Qc1?! { [%eval -3.27] } { Inaccuracy. Qd2 was best. } { [%clk 0:28:45] } 46... f5 { [%eval -2.76] [%clk 0:40:03] } 47. Kh2 { [%eval -3.3] [%clk 0:23:14] } 47... f4?! { [%eval -2.21] } { Inaccuracy. Be2 was best. } { [%clk 0:39:18] } 48. Nd1 { [%eval -2.03] [%clk 0:20:13] } 48... Bxc4 { [%eval -1.99] [%clk 0:39:09] } 49. Nb2?? { [%eval -4.25] } { Blunder. Nc3 was best. } { [%clk 0:18:17] } 49... Bb3 { [%eval -4.09] [%clk 0:37:44] } 50. Nd3 { [%eval -4.3] [%clk 0:14:52] } 50... Qxd3 { [%eval -3.88] [%clk 0:37:15] } 51. Qxf4+?! { [%eval -5.1] } { Inaccuracy. Qxc5+ was best. } { [%clk 0:15:02] } 51... Ke7 { [%eval -5.23] [%clk 0:36:59] } 52. Qg5+ { [%eval -5.38] [%clk 0:15:00] } 52... Kd7 { [%eval -5.7] [%clk 0:37:14] } 53. Qxg7+ { [%eval -5.69] [%clk 0:14:36] } 53... Kc6 { [%eval -5.61] [%clk 0:37:31] } 54. Qg8 { [%eval -6.11] [%clk 0:12:50] } 54... Bd5 { [%eval -5.95] [%clk 0:36:52] } 55. Qc8+ { [%eval -6.35] [%clk 0:12:10] } 55... Kb5 { [%eval -6.27] [%clk 0:37:02] } 56. Qd7+ { [%eval -6.51] [%clk 0:10:15] } 56... Kb4 { [%eval -6.35] [%clk 0:37:07] } 57. Qc7 { [%eval -7.41] [%clk 0:08:37] } 57... c4 { [%eval -7.45] [%clk 0:37:10] } 58. Qd6+ { [%eval -7.97] [%clk 0:08:03] } 58... Kb3 { [%eval -7.69] [%clk 0:37:25] } 59. Qb6+ { [%eval -8.11] [%clk 0:08:13] } 59... Kc2 { [%eval -7.67] [%clk 0:37:41] } 60. Qa5 { [%eval -8.87] [%clk 0:07:50] } 60... c3 { [%eval -8.53] [%clk 0:37:49] } 61. Qa4+ { [%eval -9.3] [%clk 0:07:33] } 61... Bb3 { [%eval -8.44] [%clk 0:38:02] } 62. Qa1? { [%eval #-17] } { Checkmate is now unavoidable. Qa3 was best. } { [%clk 0:07:27] } 62... Qd6+ { [%eval -15.9] [%clk 0:38:23] } 63. Kg1?? { [%eval #-10] } { Checkmate is now unavoidable. g3 was best. } { [%clk 0:05:10] } 63... Qd1+ { [%eval #-9] [%clk 0:38:37] } 64. Qxd1+ { [%eval #-9] [%clk 0:05:37] } 64... Kxd1 { [%eval #-9] [%clk 0:38:57] } 0-1