Event: World Youth Cup 2021 O12-G16 - Open 12
Date: 2021-08-06
White: Zheng, Harry Z
Black: Saiai, Purimprach
Result: 1-0
ECO: C07
Opening: French Defense: Tarrasch Variation, Chistyakov Defense
Variant: Standard

1. e4 { [%eval 0.24] [%clk 0:10:03] } 1... e6 { [%eval 0.13] [%clk 0:10:02] } 2. d4 { [%eval 0.0] [%clk 0:10:03] } 2... d5 { [%eval 0.0] [%clk 0:10:03] } 3. Nd2 { [%eval 0.11] [%clk 0:10:03] } 3... c5 { [%eval 0.0] [%clk 0:09:54] } 4. exd5 { [%eval 0.1] [%clk 0:10:04] } 4... Qxd5 { [%eval 0.09] [%clk 0:09:52] } 5. Ngf3 { [%eval 0.0] [%clk 0:10:04] } 5... Nc6?! { [%eval 0.51] } { Inaccuracy. cxd4 was best. } { [%clk 0:09:50] } 6. Bc4 { [%eval 0.13] [%clk 0:09:58] } 6... Qd8 { [%eval 0.17] [%clk 0:09:49] } 7. O-O { [%eval 0.24] [%clk 0:09:40] } 7... Nf6 { [%eval 0.56] [%clk 0:09:48] } 8. Nb3 { [%eval 0.53] [%clk 0:09:34] } 8... cxd4 { [%eval 0.22] [%clk 0:09:49] } 9. Nbxd4 { [%eval 0.2] [%clk 0:09:33] } 9... Nxd4 { [%eval 0.29] [%clk 0:09:50] } 10. Nxd4 { [%eval 0.32] [%clk 0:09:35] } 10... Bd7 { [%eval 0.55] [%clk 0:09:50] } 11. c3 { [%eval 0.11] [%clk 0:09:25] } 11... Be7?! { [%eval 0.7] } { Inaccuracy. Qc7 was best. } { [%clk 0:09:50] } 12. Qf3 { [%eval 0.35] [%clk 0:09:16] } 12... Qc7 { [%eval 0.27] [%clk 0:09:42] } 13. Re1?? { [%eval -7.0] } { Blunder. Bb3 was best. } { [%clk 0:09:13] } 13... O-O?? { [%eval 0.17] } { Blunder. Qxc4 was best. } { [%clk 0:09:40] } 14. Bf4?? { [%eval -6.61] } { Blunder. Bb3 was best. } { [%clk 0:09:09] } 14... Qxc4 { [%eval -6.56] [%clk 0:09:35] } 15. Qxb7 { [%eval -6.46] [%clk 0:09:03] } 15... Qc8 { [%eval -6.57] [%clk 0:08:51] } 16. Qf3 { [%eval -6.6] [%clk 0:08:56] } 16... Bc5 { [%eval -6.0] [%clk 0:08:15] } 17. Rad1 { [%eval -5.84] [%clk 0:08:52] } 17... Bxd4 { [%eval -4.87] [%clk 0:08:09] } 18. Rxd4 { [%eval -5.09] [%clk 0:08:50] } 18... Bc6 { [%eval -4.96] [%clk 0:07:43] } 19. Qd3 { [%eval -4.84] [%clk 0:08:26] } 19... Rd8 { [%eval -4.93] [%clk 0:07:20] } 20. Rd1 { [%eval -5.55] [%clk 0:08:03] } 20... Rxd4 { [%eval -5.44] [%clk 0:07:14] } 21. Qxd4 { [%eval -5.42] [%clk 0:08:04] } 21... h5 { [%eval -5.55] [%clk 0:06:32] } 22. Be5 { [%eval -5.62] [%clk 0:07:53] } 22... Qf8? { [%eval -3.21] } { Mistake. Ne8 was best. } { [%clk 0:05:22] } 23. Bxf6 { [%eval -3.54] [%clk 0:07:21] } 23... gxf6 { [%eval -3.38] [%clk 0:05:23] } 24. Rd3?! { [%eval -4.43] } { Inaccuracy. Qxf6 was best. } { [%clk 0:07:12] } 24... Qh6 { [%eval -4.43] [%clk 0:05:05] } 25. Rg3+ { [%eval -4.29] [%clk 0:07:02] } 25... Kh7 { [%eval -4.25] [%clk 0:05:00] } 26. h3 { [%eval -4.3] [%clk 0:07:02] } 26... Rg8 { [%eval -4.41] [%clk 0:04:50] } 27. Qxa7 { [%eval -4.8] [%clk 0:06:04] } 27... Rg7?? { [%eval -2.38] } { Blunder. Rxg3 was best. } { [%clk 0:04:25] } 28. Qc5? { [%eval -3.93] } { Mistake. Qe3 was best. } { [%clk 0:05:26] } 28... Rxg3 { [%eval -3.77] [%clk 0:04:04] } 29. fxg3 { [%eval -4.0] [%clk 0:05:23] } 29... Qc1+ { [%eval -3.4] [%clk 0:03:59] } 30. Kh2 { [%eval -3.65] [%clk 0:05:23] } 30... Bd5 { [%eval -3.48] [%clk 0:04:00] } 31. Qf2 { [%eval -3.07] [%clk 0:05:11] } 31... f5 { [%eval -2.82] [%clk 0:03:58] } 32. a3?! { [%eval -4.25] } { Inaccuracy. g4 was best. } { [%clk 0:05:04] } 32... Qg5?! { [%eval -2.86] } { Inaccuracy. Kg6 was best. } { [%clk 0:03:05] } 33. a4 { [%eval -2.61] [%clk 0:04:38] } 33... Qe7 { [%eval -2.41] [%clk 0:02:46] } 34. a5 { [%eval -2.61] [%clk 0:04:27] } 34... Qc7 { [%eval -2.45] [%clk 0:02:36] } 35. Qb6? { [%eval -4.42] } { Mistake. a6 was best. } { [%clk 0:04:07] } 35... Qe5? { [%eval -2.67] } { Mistake. Qc4 was best. } { [%clk 0:02:32] } 36. Qf2 { [%eval -3.11] [%clk 0:03:25] } 36... Qc7?! { [%eval -2.34] } { Inaccuracy. Kg6 was best. } { [%clk 0:02:18] } 37. a6 { [%eval -2.29] [%clk 0:03:00] } 37... h4 { [%eval -1.86] [%clk 0:02:10] } 38. Qf4 { [%eval -1.89] [%clk 0:02:30] } 38... hxg3+ { [%eval -1.93] [%clk 0:01:56] } 39. Qxg3 { [%eval -1.96] [%clk 0:02:30] } 39... Qxg3+?? { [%eval 5.02] } { Blunder. f4 was best. } { [%clk 0:01:58] } 40. Kxg3 { [%eval 4.4] [%clk 0:02:31] } 40... Kg6 { [%eval 4.64] [%clk 0:01:56] } 41. a7 { [%eval 4.4] [%clk 0:02:31] } 41... e5 { [%eval 4.94] [%clk 0:01:54] } 42. c4 { [%eval 5.31] [%clk 0:02:31] } 42... Bb7 { [%eval 5.89] [%clk 0:01:55] } 43. b4 { [%eval 6.04] [%clk 0:02:20] } 43... Kf6 { [%eval 5.96] [%clk 0:01:47] } 44. b5 { [%eval 6.25] [%clk 0:02:19] } 44... Ke6 { [%eval 6.01] [%clk 0:01:40] } 45. c5 { [%eval 6.69] [%clk 0:02:20] } 45... Kd5 { [%eval 12.1] [%clk 0:01:38] } 46. c6 { [%eval 8.84] [%clk 0:02:19] } 46... Ba8 { [%eval 14.67] [%clk 0:01:39] } 47. c7 { [%eval 10.31] [%clk 0:02:19] } 47... Bb7 { [%eval 62.17] [%clk 0:01:41] } 48. c8=Q { [%eval 73.1] [%clk 0:02:17] } 48... Bxc8 { [%eval 73.2] [%clk 0:01:34] } 49. a8=Q+ { [%eval 73.28] [%clk 0:02:17] } 49... Kd6?! { [%eval #15] } { Checkmate is now unavoidable. Kd4 was best. } { [%clk 0:01:33] } 50. Qxc8 { [%eval #31] [%clk 0:02:17] } 50... f4+ { [%eval #10] [%clk 0:01:34] } 51. Kf3 { [%eval #7] [%clk 0:02:16] } 51... f5 { [%eval #6] [%clk 0:01:33] } 52. b6 { [%eval #5] [%clk 0:02:15] } 52... e4+ { [%eval #5] [%clk 0:01:35] } 53. Ke2 { [%eval #7] [%clk 0:02:15] } 53... f3+ { [%eval #7] [%clk 0:01:36] } 54. gxf3 { [%eval #5] [%clk 0:02:16] } 54... exf3+ { [%eval #6] [%clk 0:01:38] } 55. Kxf3 { [%eval #5] [%clk 0:02:17] } 55... Ke5 { [%eval #5] [%clk 0:01:39] } 56. b7 { [%eval #4] [%clk 0:02:17] } 56... f4 { [%eval #3] [%clk 0:01:41] } 57. b8=Q+ { [%eval #2] [%clk 0:02:16] } 57... Kf6 { [%eval #2] [%clk 0:01:33] } 58. Qd6+ { [%eval #2] [%clk 0:02:17] } 58... Kf7 { [%eval #1] [%clk 0:01:29] } 59. Qcd7+ { [%eval #1] [%clk 0:02:14] } 59... Kg8 { [%eval #1] [%clk 0:01:30] } 60. Qb8# { [%clk 0:02:15] } 1-0