Zhengkai Xu (徐正凯)

Country WCA ID Gender Competitions Completed Solves
China 2016XUZH06 Male 16 516

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 1489 3793 9615 10.73 12.73 8695 3478 1384
2x2x2 Cube 1390 3710 11818 3.14 4.77 10066 3286 1267
4x4x4 Cube 894 2065 5171 43.28 46.01 3563 1409 595
5x5x5 Cube 788 1914 4978 1:33.77 1:44.74 5156 1982 837
6x6x6 Cube 635 1461 4408 3:48.45
7x7x7 Cube 585 1193 3410 5:25.75 5:47.93 3279 1141 554
3x3x3 One-Handed 857 1967 4856 18.11 22.77 5132 2161 963
Clock 739 1610 4769 22.60
Megaminx 704 1631 4877 1:42.13 1:49.84 4479 1505 657
Pyraminx 634 1561 4872 4.42 8.49 8686 2964 1300
Skewb 262 689 2205 3.59 4.48 648 201 81
Square-1 727 1954 7130 40.01
Competition Round Place Single Average Solves
3x3x3 Cube
Guangzhou Panyu Afternoon 2021 Second round 66 12.67 14.91 14.8117.3012.6713.2016.73
First round 66 11.47 14.87 14.5411.4714.5815.5715.49
Nanchang Good Afternoon 2021 Second round 28 10.73 12.73 17.2610.7312.7413.2012.24
First round 33 12.79 13.33 14.1312.8112.7913.0614.34
Shenzhen Good Afternoon 2020 First round 17 11.35 13.52 14.8712.1413.5511.35DNF
Wuxi Winter 2019 Second round 35 12.84 14.74 12.8419.2614.0016.0114.21
First round 40 12.06 15.41 19.8612.0614.8515.8015.59
Xuzhou Winter 2019 Second round 30 12.61 13.53 14.2412.6312.6113.7114.88
First round 41 12.79 14.97 12.7913.2516.2116.7015.44
Suzhou Open 2019 Second round 45 12.57 14.77 15.0212.5714.7015.4114.59
First round 58 12.81 15.52 24.8412.8114.7816.5215.26
China Championship 2019 Second round 432 14.39 16.17 20.4717.5315.5114.3915.48
First round 295 12.62 13.95 14.9212.6215.8013.4013.54
Huzhou Open 2019 First round 78 13.93 16.35 13.9817.6813.9317.38DNF
Kunshan Open 2019 Second round 34 13.78 15.36 20.3814.0513.7814.9317.10
First round 39 14.02 15.51 14.0919.2915.0714.0217.37
Yancheng Spring 2019 Second round 33 13.80 15.93 13.8019.4117.0514.8815.85
First round 31 14.42 14.48 14.4214.4815.1614.4714.50
SJTU Winter Open 2018 Second round 52 13.77 14.56 15.2613.7714.3216.5514.11
First round 71 15.08 16.33 17.3615.0816.4716.6515.87
Wuxi Autumn 2018 Second round 40 13.68 15.93 13.6817.3616.7017.4813.73
First round 44 14.83 15.61 18.6717.1214.8514.8314.86
Suzhou Open 2018 Second round 45 11.87 15.23 14.2521.5711.8714.8716.57
First round 54 14.12 16.07 18.0414.1216.3317.1014.77
Kunshan Open 2018 First round 78 14.54 18.20 22.9516.1316.1414.5422.34
Yangzhou Open 2017 Second round 129 16.07 18.86 16.0718.5018.2819.8124.47
First round 153 14.48 20.23 15.3423.2625.4122.1014.48
Suzhou Open 2016 First round 107 20.94 28.26 36.9927.7820.9427.3929.60
2x2x2 Cube
Shenzhen Good Afternoon 2020 First round 22 4.37 7.10 8.857.304.379.705.14
Xuzhou Winter 2019 Second round 21 3.53 4.91 5.233.536.054.654.86
First round 29 4.42 5.21 5.285.504.867.104.42
Suzhou Open 2019 First round 29 3.14 4.87 3.813.146.554.268.47
China Championship 2019 Second round 284 4.48 6.01 5.707.335.696.654.48
First round 314 4.23 5.82 4.236.205.715.547.44
Huzhou Open 2019 Second round 41 3.63 5.14 4.405.095.9213.303.63
First round 47 4.78 5.44 5.639.244.785.295.39
Kunshan Open 2019 Second round 25 5.15 5.66 5.155.206.086.075.71
First round 22 3.42 4.77 3.424.825.853.657.31
Yancheng Spring 2019 First round 20 4.56 5.33 4.566.355.255.195.54
SJTU Winter Open 2018 First round 31 3.52 5.04 4.295.766.075.073.52
Wuxi Autumn 2018 First round 36 3.23 5.70 7.623.234.746.775.60
Suzhou Open 2018 First round 61 4.24 7.75 4.248.047.707.857.70
Kunshan Open 2018 First round 58 4.77 6.82 4.776.987.418.646.07
Yangzhou Open 2017 First round 134 6.58 7.01 7.796.588.846.596.64
4x4x4 Cube
Nanchang Good Afternoon 2021 Final 13 43.28 46.01 43.2846.8545.48DNF45.71
Wuxi Winter 2019 Final 17 45.59 56.58 51.5345.5949.39DNF1:08.82
Xuzhou Winter 2019 Final 22 47.66 51.89 48.0653.9253.6847.6657.55
Suzhou Open 2019 Final 36 45.62 58.57 59.721:09.0355.031:00.9745.62
Huzhou Open 2019 First round 36 51.16 55.59 51.161:02.7456.1954.6755.91
Kunshan Open 2019 First round 23 47.94 58.89 1:01.8052.5747.941:02.311:04.57
Yancheng Spring 2019 Final 29 1:00.98 1:00.981:03.78
SJTU Winter Open 2018 First round 29 53.97 57.60 58.24DNF53.9758.9755.58
Wuxi Autumn 2018 First round 36 1:01.32 1:10.461:01.32
Suzhou Open 2018 First round 54 1:11.60 1:11.601:21.99
Kunshan Open 2018 First round 53 1:15.38 1:15.381:27.58
5x5x5 Cube
Suzhou Open 2019 Final 19 1:33.77 1:44.86 1:39.891:57.651:33.772:01.401:37.04
China Championship 2019 First round 128 1:36.12 1:44.74 1:42.291:46.501:36.121:45.422:10.00
Huzhou Open 2019 First round 35 1:42.01 1:49.21 1:58.971:42.011:44.821:47.741:55.06
Yancheng Spring 2019 Final 20 1:39.22 1:57.76 2:09.791:41.742:01.752:45.461:39.22
Wuxi Autumn 2018 First round 28 1:52.64 1:57.83 1:55.751:56.602:01.232:01.151:52.64
6x6x6 Cube
Huzhou Open 2019 First round 23 3:48.45 3:48.45
7x7x7 Cube
Kunshan Open 2019 First round 13 5:25.75 5:47.93 5:51.846:06.215:25.75
3x3x3 One-Handed
Guangzhou Panyu Afternoon 2021 First round 36 20.60 24.10 26.9220.6022.6225.4624.21
Nanchang Good Afternoon 2021 First round 20 20.80 22.77 28.9720.8021.8724.4821.97
Shenzhen Good Afternoon 2020 Final 9 18.11 24.97 18.15DNF28.2518.1128.52
Xuzhou Winter 2019 First round 20 22.37 25.70 DNF25.3125.9922.3725.81
China Championship 2019 First round 206 29.34 30.32 31.2629.6430.0631.8429.34
Huzhou Open 2019 First round 42 23.31 27.42 29.9325.8126.5234.7523.31
Kunshan Open 2019 First round 19 23.11 26.02 DNF24.3924.8423.1128.82
Yancheng Spring 2019 Final 22 22.21 28.19 22.2125.5632.1430.3928.63
Wuxi Autumn 2018 First round 31 24.58 27.60 DNF26.2924.5826.8529.67
Kunshan Open 2018 First round 39 21.00 30.87 34.0429.2321.00DNF29.34
Clock
SJTU Winter Open 2018 First round 29 22.60 34.4122.60
Megaminx
China Championship 2019 First round 76 1:42.13 1:49.84 1:48.191:42.131:56.711:44.612:04.28
Huzhou Open 2019 First round 13 1:47.08 1:50.64 1:47.082:04.351:53.531:50.021:48.37
SJTU Winter Open 2018 Final 24 1:49.04 2:00.17 1:58.042:03.421:59.041:49.042:05.22
Pyraminx
Guangzhou Panyu Afternoon 2021 First round 47 7.21 11.25 9.167.21DNF13.1811.42
Shenzhen Good Afternoon 2020 Final 12 9.08 10.86 11.729.0811.089.7914.14
Wuxi Winter 2019 First round 43 6.98 12.67 13.6513.656.9812.7911.58
Suzhou Open 2019 First round 42 8.92 9.90 9.308.9211.379.0317.67
Huzhou Open 2019 First round 43 8.02 10.68 8.0214.129.4211.8310.79
Kunshan Open 2019 Second round 23 5.76 9.85 7.885.768.2817.1513.39
First round 30 4.42 11.13 9.154.4213.0311.3312.90
Yancheng Spring 2019 First round 25 6.27 9.46 10.646.9710.8310.766.27
SJTU Winter Open 2018 Second round 36 7.64 10.95 12.2015.1510.267.6410.39
First round 29 5.41 8.49 10.7814.857.806.885.41
Wuxi Autumn 2018 First round 47 8.25 12.16 8.2512.5915.2311.0312.87
Suzhou Open 2018 First round 52 8.14 10.38 10.369.858.1410.9219.54
Kunshan Open 2018 First round 59 8.96 12.18 8.9610.0313.1314.2613.39
Skewb
Guangzhou Panyu Afternoon 2021 First round 18 3.59 6.26 7.556.336.733.595.71
Shenzhen Good Afternoon 2020 Final 7 5.94 6.87 5.949.106.506.507.62
Wuxi Winter 2019 Final 7 3.85 6.35 7.225.696.149.463.85
Xuzhou Winter 2019 Final 9 5.36 6.44 8.605.585.366.057.70
First round 15 4.30 7.16 4.307.436.657.407.61
Suzhou Open 2019 Final 7 4.53 5.50 6.484.595.427.934.53
China Championship 2019 Semi Final 17 3.70 4.48 4.535.203.706.053.70
Second round 33 4.72 5.82 DNF6.235.445.794.72
First round 20 3.74 4.59 3.744.104.546.235.12
Huzhou Open 2019 Final 12 6.16 7.35 DNF8.077.626.366.16
First round 9 5.04 6.22 5.045.476.027.167.78
Kunshan Open 2019 Final 4 4.04 5.13 6.185.444.215.734.04
First round 9 5.28 6.14 6.445.785.286.216.80
Yancheng Spring 2019 Final 6 5.61 6.67 5.6113.095.656.767.61
First round 7 5.30 7.03 5.307.215.768.1316.03
SJTU Winter Open 2018 Final 14 5.28 7.27 16.688.067.346.405.28
First round 14 4.22 6.94 4.22DNF4.919.056.85
Wuxi Autumn 2018 First round 14 7.13 7.55 7.439.957.387.857.13
Kunshan Open 2018 First round 19 4.93 7.85 9.256.964.937.758.83
Yangzhou Open 2017 First round 34 6.68 7.82 8.626.76DNF6.688.07
Suzhou Open 2016 First round 36 10.56 13.71 10.56DNF16.0612.4112.66
Square-1
Wuxi Winter 2019 Final 16 40.01 40.011:00.80
Xuzhou Winter 2019 Final 15 49.34 49.34DNF