Event: Round 9: Alexey O. Zakharov - Quoc Hy Nguyen
Date: 2022-09-14
White: Alexey O. Zakharov
Black: Quoc Hy Nguyen
Result: 0-1
ECO: B40
Opening: Sicilian Defense: Four Knights Variation
Variant: Standard

1. e4 { [%eval 0.0] [%clk 1:30:49] } 1... c5 { [%eval 0.32] [%clk 1:31:16] } 2. Nc3 { [%eval 0.24] [%clk 1:31:08] } 2... e6 { [%eval 0.45] [%clk 1:31:38] } 3. Nf3 { [%eval 0.16] [%clk 1:28:04] } 3... Nc6 { [%eval 0.49] [%clk 1:28:47] } 4. d4 { [%eval 0.25] [%clk 1:26:14] } 4... cxd4 { [%eval 0.32] [%clk 1:29:08] } 5. Nxd4 { [%eval 0.33] [%clk 1:26:37] } 5... Nf6 { [%eval 0.0] [%clk 1:29:31] } 6. a3 { [%eval 0.05] [%clk 1:21:00] } 6... Qc7 { [%eval 0.47] [%clk 1:28:43] } 7. Be3 { [%eval 0.56] [%clk 1:17:24] } 7... Be7 { [%eval 0.7] [%clk 1:27:46] } 8. Be2 { [%eval 0.35] [%clk 1:17:15] } 8... O-O { [%eval 0.36] [%clk 1:28:00] } 9. f4 { [%eval 0.23] [%clk 1:13:19] } 9... d6 { [%eval 0.28] [%clk 1:26:44] } 10. O-O { [%eval 0.2] [%clk 1:12:17] } 10... Bd7 { [%eval 0.26] [%clk 1:23:41] } 11. Ndb5 { [%eval 0.27] [%clk 1:04:34] } 11... Qb8 { [%eval 0.23] [%clk 1:23:34] } 12. g4 { [%eval -0.19] [%clk 1:04:33] } 12... a6 { [%eval -0.02] [%clk 1:22:59] } 13. Nd4 { [%eval -0.22] [%clk 1:04:25] } 13... Nxd4 { [%eval -0.13] [%clk 1:22:36] } 14. Bxd4 { [%eval -0.24] [%clk 0:57:50] } 14... e5 { [%eval -0.25] [%clk 1:22:53] } 15. Be3 { [%eval -0.17] [%clk 0:57:22] } 15... Bc6 { [%eval -0.18] [%clk 1:21:33] } 16. Bf3?! { [%eval -0.74] } { Inaccuracy. Qd3 was best. } { [%clk 0:54:48] } 16... exf4 { [%eval -0.37] [%clk 1:21:35] } 17. Bxf4 { [%eval -0.57] [%clk 0:54:40] } 17... Re8 { [%eval -0.16] [%clk 1:21:27] } 18. g5 { [%eval -0.21] [%clk 0:46:07] } 18... Nd7 { [%eval -0.26] [%clk 1:21:49] } 19. Nd5 { [%eval -0.29] [%clk 0:46:20] } 19... Bf8 { [%eval -0.14] [%clk 1:19:42] } 20. Qd4 { [%eval -0.51] [%clk 0:42:41] } 20... Ne5?! { [%eval 0.07] } { Inaccuracy. b5 was best. } { [%clk 1:16:07] } 21. Bh5 { [%eval 0.0] [%clk 0:38:18] } 21... Qd8 { [%eval -0.06] [%clk 1:11:32] } 22. Kh1 { [%eval -0.46] [%clk 0:33:02] } 22... Ng6 { [%eval -0.2] [%clk 1:11:50] } 23. Bxg6?! { [%eval -0.94] } { Inaccuracy. Bg3 was best. } { [%clk 0:29:00] } 23... hxg6 { [%eval -0.71] [%clk 1:10:20] } 24. Rae1 { [%eval -0.87] [%clk 0:28:22] } 24... Rc8 { [%eval -0.63] [%clk 1:09:54] } 25. c4?! { [%eval -1.27] } { Inaccuracy. Rf2 was best. } { [%clk 0:26:42] } 25... Qd7 { [%eval -0.87] [%clk 1:10:07] } 26. Bg3?! { [%eval -1.5] } { Inaccuracy. Nb6 was best. } { [%clk 0:25:04] } 26... Qg4?! { [%eval -0.41] } { Inaccuracy. b5 was best. } { [%clk 1:09:19] } 27. Qf2 { [%eval -1.0] [%clk 0:23:55] } 27... Qe6 { [%eval -0.53] [%clk 1:09:38] } 28. b3?! { [%eval -1.22] } { Inaccuracy. Nb6 was best. } { [%clk 0:23:28] } 28... b5 { [%eval -1.11] [%clk 1:09:04] } 29. Qa7 { [%eval -1.47] [%clk 0:19:36] } 29... bxc4 { [%eval -1.33] [%clk 1:02:56] } 30. bxc4 { [%eval -1.67] [%clk 0:18:40] } 30... Ra8?! { [%eval -1.03] } { Inaccuracy. Be7 was best. } { [%clk 1:00:18] } 31. Qd4 { [%eval -0.91] [%clk 0:16:41] } 31... Rac8 { [%eval -0.75] [%clk 0:55:43] } 32. Qa7?! { [%eval -1.37] } { Inaccuracy. Kg1 was best. } { [%clk 0:16:35] } 32... Be7 { [%eval -1.5] [%clk 0:53:16] } 33. Qxa6?! { [%eval -2.5] } { Inaccuracy. Bf4 was best. } { [%clk 0:10:38] } 33... Bxg5 { [%eval -2.35] [%clk 0:53:27] } 34. Qa7 { [%eval -2.86] [%clk 0:10:05] } 34... f5 { [%eval -2.8] [%clk 0:44:42] } 35. exf5 { [%eval -3.35] [%clk 0:03:33] } 35... Bxd5+ { [%eval -3.34] [%clk 0:45:01] } 36. cxd5 { [%eval -3.64] [%clk 0:03:56] } 36... Qxd5+ { [%eval -3.64] [%clk 0:45:26] } 37. Kg1 { [%eval -3.59] [%clk 0:04:20] } 37... Rxe1?! { [%eval -2.69] } { Inaccuracy. gxf5 was best. } { [%clk 0:41:51] } 38. Rxe1 { [%eval -2.88] [%clk 0:04:34] } 38... gxf5 { [%eval -2.93] [%clk 0:42:08] } 39. Qd7 { [%eval -2.5] [%clk 0:03:30] } 39... Rc2 { [%eval -2.29] [%clk 0:40:35] } 40. Qe6+? { [%eval -4.14] } { Mistake. Qe8+ was best. } { [%clk 0:01:57] } 40... Qxe6 { [%eval -4.66] [%clk 0:40:59] } 41. Rxe6 { [%eval -4.37] [%clk 0:02:26] } 41... f4?? { [%eval -1.8] } { Blunder. Kf7 was best. } { [%clk 0:40:55] } 42. h4 { [%eval -1.62] [%clk 0:02:02] } 42... Bh6 { [%eval -1.24] [%clk 0:40:45] } 43. Bf2 { [%eval -1.28] [%clk 0:00:45] } 43... f3 { [%eval -1.48] [%clk 0:40:47] } 44. Bd4?? { [%eval -4.54] } { Blunder. Re4 was best. } { [%clk 0:00:39] } 44... Rd2 { [%eval -4.41] [%clk 0:40:27] } 45. Bc3?! { [%eval -6.19] } { Inaccuracy. Bb6 was best. } { [%clk 0:00:32] } 45... Rd3 { [%eval -6.61] [%clk 0:39:54] } 46. Bb4 { [%eval -7.04] [%clk 0:00:33] } 46... Be3+ { [%eval -7.36] [%clk 0:40:05] } 47. Kf1 { [%eval -7.2] [%clk 0:00:33] } 47... Rd1+ { [%eval -7.41] [%clk 0:40:23] } 48. Be1 { [%eval -7.15] [%clk 0:00:58] } 48... Bc5 { [%eval -7.63] [%clk 0:40:48] } 49. Re8+ { [%eval -7.53] [%clk 0:01:08] } 49... Kh7 { [%eval -7.01] [%clk 0:40:50] } 50. Rf8 { [%eval -7.06] [%clk 0:01:26] } 50... Bxa3 { [%eval -7.33] [%clk 0:41:03] } 51. Rxf3 { [%eval -7.84] [%clk 0:01:19] } 51... Bb4 { [%eval -7.58] [%clk 0:41:27] } 0-1