Zijian Cai (蔡子健)

Region WCA ID Gender Competitions Completed Solves
China 2017CAIZ03 Male 27 1261

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 15 34 131 4.92 6.10 60 20 15
2x2x2 Cube 49 146 898 1.15 1.95 462 105 50
4x4x4 Cube 1 4 12 19.78 26.79 81 23 6
5x5x5 Cube 21 102 303 50.20 56.74 322 113 26
6x6x6 Cube 300 869 2841 2:33.85 2:39.04 2514 772 260
3x3x3 One-Handed 29 101 327 9.79 12.50 295 98 29
Megaminx 3 17 61 32.89 42.09 154 40 11
Pyraminx 78 223 970 2.15 3.02 494 129 56
Skewb 46 148 682 2.16 3.10 203 48 26
Square-1 674 2229 9943 32.65

Medal Collection

Gold Silver Bronze
22 13 12

Record Collection

WR CR NR
1
Competition Round Place Single Average Solves
3x3x3 Cube
Shenzhen Open 2023 Final 2 6.28 7.09 6.348.156.286.788.15
Second round 3 5.89 7.14 6.815.897.798.736.81
First round 1 4.92 6.10 6.696.654.974.928.33
Shenzhen Youth Open 2023 Final 2 5.40 6.50 6.776.435.406.318.16
Second round 2 6.08 6.32 6.436.536.086.136.40
First round 3 5.35 6.72 7.135.357.346.496.53
Singapore Championship 2023 Final 11 6.36 7.54 8.116.367.687.037.90
Semi Final 5 6.19 6.79 6.927.436.826.626.19
Second round 13 6.50 7.66 6.508.959.737.266.76
First round 6 5.71 6.80 7.216.747.295.716.46
Guangzhou Panyu Morning 2021 Final 3 5.99 7.08 6.985.996.567.698.32
Second round 3 6.85 7.40 7.479.157.467.266.85
First round 3 6.70 7.84 8.196.708.357.108.23
Shenzhen Good Afternoon 2021 Final 1 6.46 7.42 7.817.656.467.726.89
First round 1 5.39 6.61 6.375.396.838.736.64
Shenzhen Good Morning 2020 Final 1 5.83 6.81 5.835.966.759.087.71
First round 1 7.02 7.25 7.027.228.057.317.22
Jieyang Winter 2020 Final 2 6.20 7.40 7.707.927.486.207.03
Second round 2 6.57 7.64 6.577.7911.177.787.34
First round 2 6.67 7.75 8.606.677.249.707.40
Zhongshan NxN Speedcubing 2019 Final 1 6.79 7.77 DNF7.706.946.798.66
Second round 1 6.62 7.77 6.627.099.207.029.80
First round 1 5.50 7.36 7.198.157.835.507.06
Shenzhen Open 2019 Final 1 7.06 7.31 7.347.537.597.067.07
Second round 6 6.82 8.72 9.58DNF9.447.156.82
First round 2 6.84 7.33 6.847.737.147.567.28
Shenzhen Cubing 10th Anniversary 2019 Final 3 6.66 7.43 7.357.856.667.527.42
Semi Final 2 6.90 8.18 8.428.209.607.926.90
Second round 3 6.60 7.92 8.567.138.656.608.08
First round 2 7.54 7.98 9.878.067.547.957.94
Jieyang Open 2019 Final 1 7.71 8.46 7.718.269.349.527.79
Second round 1 7.10 7.97 8.567.108.857.637.73
First round 1 6.37 7.51 8.086.598.347.866.37
China Championship 2019 Final 7 6.70 8.21 8.238.477.928.966.70
Semi Final 2 6.68 7.68 11.717.416.687.168.47
Second round 3 6.53 7.65 8.137.626.538.807.21
First round 12 6.51 8.76 6.518.958.628.729.42
Zhongshan Children's Cube Day 2019 Final 1 6.64 7.04 7.176.6410.146.877.08
Semi Final 2 7.42 8.14 7.627.807.428.999.00
Second round 1 6.09 7.22 8.287.896.096.697.09
First round 1 7.15 7.67 7.158.197.327.519.35
Dongguan Spring 2019 Final 2 7.29 7.72 7.298.087.837.817.51
Second round 1 7.28 8.17 9.008.107.429.167.28
First round 2 6.92 8.54 7.369.886.929.648.61
GDSY Open 2019 Final 7 8.96 9.75 9.729.2911.6310.238.96
Second round 6 7.30 8.38 9.088.5910.037.467.30
First round 12 7.28 10.24 7.2811.6311.6610.698.41
Shenzhen 3x3 Days 2019 Final 2 6.91 8.45 7.737.936.91DNF9.69
Semi Final 1 8.05 8.38 8.058.808.678.288.20
Second round 1 6.30 8.05 9.017.456.307.6912.18
First round 1 7.27 8.23 8.518.438.397.877.27
Jieyang Winter 2019 Final 3 7.63 8.91 9.327.639.368.049.47
Second round 4 7.59 9.10 11.979.119.978.227.59
First round 1 6.86 8.19 8.108.858.766.867.70
Yangjiang Open 2019 Final 1 7.63 8.99 8.759.967.639.169.06
Second round 1 7.19 9.09 7.198.999.169.129.18
First round 1 7.53 7.74 7.577.538.447.747.90
Shenzhen Nanshan 2018 Final 4 7.31 9.17 10.2611.297.318.838.41
Second round 4 8.52 9.35 9.179.569.329.688.52
First round 4 8.33 8.88 9.718.358.758.339.54
Dongguan Mid-Autumn Festival 2018 Final 1 7.78 8.78 8.197.7812.579.728.43
First round 1 6.34 8.93 6.349.138.828.85DNF
Zhongshan NxN Speedcubing 2018 Final 1 6.00 8.16 7.649.076.008.388.47
Second round 4 8.33 8.83 8.959.058.3311.578.49
First round 3 7.89 8.90 11.047.898.967.989.76
Nanning Open 2018 Final 3 7.71 8.86 DNF9.679.107.817.71
Second round 2 8.21 9.35 9.569.3811.278.219.11
First round 1 7.64 8.83 7.649.568.628.579.29
Shenzhen Open 2018 Final 9 9.17 9.67 9.2710.819.5610.189.17
Semi Final 5 8.24 8.86 8.248.759.438.489.36
Second round 5 8.60 9.26 9.249.649.329.218.60
First round 4 8.01 8.81 8.018.768.409.2811.10
Shenzhen Open 2017 Final 10 10.08 12.17 11.4914.3510.0813.3511.67
Second round 9 9.44 11.66 12.9812.5811.1411.279.44
First round 10 10.36 13.12 10.36DNF16.1311.3011.92
China's 10th Anniversary Championship 2017 Semi Final 26 9.41 10.84 11.1611.2310.3910.969.41
Second round 76 9.93 12.75 12.0114.2213.049.9313.21
First round 41 8.80 11.22 11.3011.9314.1810.438.80
Longyan Summer Open 2017 Final 8 11.50 13.09 14.8311.5016.0912.4212.01
Second round 6 10.48 11.70 10.6512.5411.9114.8910.48
First round 10 12.01 13.45 12.7512.0113.3915.4114.20
2x2x2 Cube
Shenzhen Open 2023 Final 3 1.55 1.95 1.832.171.861.553.39
First round 8 1.31 2.79 3.293.383.181.311.90
Shenzhen Youth Open 2023 Final 1 1.24 2.33 6.412.121.242.881.98
First round 1 1.83 2.41 2.171.832.362.703.56
Singapore Championship 2023 Second round 13 1.18 2.45 2.322.182.844.501.18
First round 11 2.25 2.66 2.266.033.202.522.25
Guangzhou Panyu Morning 2021 Final 6 1.35 3.02 4.072.122.881.354.38
Second round 4 1.52 2.42 1.522.102.793.812.37
First round 8 1.16 3.17 3.562.563.391.163.84
Shenzhen Good Morning 2020 Final 1 1.15 2.52 2.662.182.711.154.92
First round 1 1.91 2.06 2.052.122.002.681.91
Jieyang Winter 2020 Final 1 1.48 2.38 2.984.021.941.482.22
First round 4 2.17 3.11 4.272.283.132.173.92
Zhongshan NxN Speedcubing 2019 Final 1 1.43 2.35 1.437.882.102.722.23
First round 2 1.82 2.14 2.411.972.522.031.82
Shenzhen Open 2019 Final 11 1.82 3.38 1.825.14DNF3.141.86
First round 5 1.86 2.80 3.892.573.032.811.86
Shenzhen Cubing 10th Anniversary 2019 Final 2 1.53 2.40 1.971.951.535.053.28
Semi Final 9 2.81 3.04 2.812.993.313.412.83
Second round 8 2.06 3.14 2.914.38DNF2.062.14
First round 8 1.82 2.92 1.822.174.723.283.30
Jieyang Open 2019 Final 2 2.26 2.78 2.693.122.522.263.26
First round 4 2.07 3.07 DNF4.022.942.072.24
China Championship 2019 Final 12 1.98 2.24 2.702.242.081.982.40
Semi Final 16 1.31 2.85 2.571.312.203.793.91
Second round 13 2.19 2.50 3.002.195.132.272.22
First round 40 2.79 3.42 2.954.494.272.793.05
Zhongshan Children's Cube Day 2019 Final 5 2.65 3.16 3.303.233.822.652.94
Semi Final 3 2.10 2.83 2.552.653.543.302.10
Second round 1 1.63 2.60 4.173.602.202.001.63
First round 2 1.32 2.42 1.323.831.502.383.39
Dongguan Spring 2019 Final 3 2.71 3.32 4.112.713.223.063.69
First round 3 2.39 3.53 2.393.153.375.034.08
GDSY Open 2019 Final 5 2.33 2.97 2.452.333.153.31DNF
Second round 4 1.76 2.55 2.732.803.062.131.76
First round 1 1.50 2.55 3.361.541.504.362.76
Jieyang Winter 2019 Final 2 2.04 2.77 4.572.913.032.042.37
First round 3 2.54 3.28 3.18DNF3.542.543.13
Yangjiang Open 2019 Final 1 1.91 2.33 2.002.401.912.832.59
First round 1 2.67 3.42 2.693.863.722.673.95
Shenzhen Nanshan 2018 Final 5 2.82 3.39 3.493.362.823.31DNF
First round 2 2.46 2.75 2.832.462.652.782.95
Dongguan Mid-Autumn Festival 2018 Final 4 2.81 3.47 3.753.313.342.817.12
First round 8 2.69 3.97 4.463.126.702.694.32
Zhongshan NxN Speedcubing 2018 Final 9 2.88 3.78 6.532.883.754.283.31
First round 8 2.35 3.90 3.892.354.066.833.75
Shenzhen Open 2018 Final 8 2.61 3.61 4.233.796.612.802.61
Second round 7 2.48 3.52 2.904.503.152.486.46
First round 6 1.79 3.27 1.793.613.222.984.34
Shenzhen Open 2017 First round 18 2.76 4.84 4.896.094.142.765.49
China's 10th Anniversary Championship 2017 Second round 94 3.26 5.98 3.797.057.093.2610.48
First round 55 3.88 5.00 5.983.886.484.264.75
Longyan Summer Open 2017 Final 10 4.61 5.22 4.715.984.978.084.61
First round 5 4.01 4.62 4.014.548.314.424.91
4x4x4 Cube
Shenzhen Open 2023 Final 3 19.78 NR 28.28 27.2530.3028.0729.5219.78
First round 6 26.98 28.87 29.4129.4627.7426.9829.64
Singapore Championship 2023 Final 8 27.28 28.36 29.9127.2828.8028.5427.74
Second round 4 24.88 26.79 26.1528.5626.6624.8827.56
First round 5 23.22 27.53 28.2226.3927.9830.2623.22
Shenzhen Good Afternoon 2021 Final 2 24.05 31.14 31.6631.4335.8524.0530.32
Zhongshan NxN Speedcubing 2019 Final 9 38.49 41.23 38.4942.041:20.4641.0440.61
First round 1 31.56 33.66 31.5833.8337.1835.5831.56
Shenzhen Cubing 10th Anniversary 2019 Final 8 30.69 34.93 36.8436.0830.6936.3032.41
Second round 9 33.79 35.75 33.9536.8036.5041.4233.79
First round 12 34.65 37.11 36.6842.9036.8134.6537.85
China Championship 2019 Semi Final 20 33.58 36.40 35.6136.1540.6737.4433.58
Second round 22 33.97 36.02 34.9638.0933.9742.1935.01
First round 35 32.22 38.13 34.5238.3741.5041.8932.22
Shenzhen Nanshan 2018 First round 13 42.76 43.63 42.7642.9349.0043.7844.17
Dongguan Mid-Autumn Festival 2018 Final 7 39.68 44.66 41.3445.6039.6847.0453.84
Zhongshan NxN Speedcubing 2018 Final 9 39.49 40.45 40.7946.1440.8139.4939.75
First round 11 35.75 39.67 38.0935.7553.1840.0940.82
Nanning Open 2018 Final 8 36.87 41.82 42.101:08.4941.3042.0536.87
First round 8 37.92 44.88 49.0944.9740.5837.9249.51
Shenzhen Open 2018 First round 31 39.73 45.77 43.2539.7345.7448.3148.62
China's 10th Anniversary Championship 2017 First round 51 48.32 49.45 49.5649.1151.6649.6948.32
Longyan Summer Open 2017 Final 11 46.70 54.90 46.7052.1859.5258.6053.92
5x5x5 Cube
Hong Kong Big Cube Day 2023 Final 6 50.99 57.94 56.691:00.0857.6050.9959.52
Second round 5 51.65 56.74 51.6556.5859.091:01.3254.54
First round 6 50.20 57.84 1:02.4856.4454.611:04.2750.20
6x6x6 Cube
Shenzhen Cubing 10th Anniversary 2019 First round 23 2:33.85 2:39.04 2:34.682:48.592:33.85
3x3x3 One-Handed
Shenzhen Open 2023 Final 4 11.50 12.74 15.5311.8111.5011.5714.85
First round 5 10.78 12.51 10.7812.3113.5412.9012.32
Singapore Championship 2023 Final 7 10.01 12.67 11.0011.8415.1610.0117.28
Second round 11 10.75 13.70 16.5012.4013.6515.0510.75
First round 4 11.08 12.64 14.3011.0811.5113.9612.45
Shenzhen Good Morning 2020 Final 1 9.79 12.50 12.2610.629.7914.6216.88
Jieyang Winter 2020 Final 3 11.98 13.35 12.5414.8614.4513.0611.98
First round 4 12.45 15.42 17.7416.4315.8012.4514.03
Zhongshan NxN Speedcubing 2019 Final 3 12.85 14.97 16.1715.3414.4112.8515.15
First round 3 12.82 14.63 13.9018.0815.5312.8214.45
Shenzhen Open 2019 Final 4 13.52 15.42 16.9917.2713.5214.8514.42
First round 5 14.66 15.15 14.6615.2615.3916.9614.81
Shenzhen Cubing 10th Anniversary 2019 Final 1 10.93 12.60 12.9013.7011.1915.0410.93
Second round 6 14.25 14.93 14.6614.88DNF14.2515.25
First round 1 11.58 13.04 12.1311.5814.0513.3813.62
Jieyang Open 2019 Final 5 13.53 16.26 16.6016.3017.3815.8913.53
First round 6 14.65 16.19 14.6517.2416.8116.4315.32
China Championship 2019 Second round 41 14.38 17.46 14.3817.4119.9921.4014.99
First round 17 13.19 14.54 14.0513.9213.1915.6528.35
GDSY Open 2019 Final 11 15.94 17.64 15.9417.4319.4118.2417.25
First round 13 13.57 17.34 17.5817.97DNF13.5716.47
Shenzhen 3x3 Days 2019 Final 6 14.19 16.10 17.9814.19DNF15.2615.07
Second round 5 14.39 15.49 17.0515.2715.2815.9314.39
First round 11 15.01 17.42 15.0117.9218.1819.8716.17
Jieyang Winter 2019 Final 5 15.06 16.43 16.8817.3015.6016.8115.06
First round 4 13.53 15.59 13.5315.3519.7813.5517.88
Yangjiang Open 2019 Final 2 14.76 17.97 14.7617.8917.0619.4118.97
First round 2 14.29 18.53 17.6720.8114.2919.2818.63
Shenzhen Nanshan 2018 Final 7 14.99 18.27 18.5118.3417.9714.9920.36
First round 3 14.43 16.97 18.6714.4322.0714.7317.52
Zhongshan NxN Speedcubing 2018 First round 13 17.43 19.64 21.1317.4320.0518.2120.65
Nanning Open 2018 First round 24 16.99 22.62 16.9920.7625.1422.0025.11
Shenzhen Open 2018 First round 19 19.79 20.41 20.3925.8121.0019.8419.79
Longyan Summer Open 2017 First round 25 24.44 28.40 26.3433.1432.1526.7024.44
Megaminx
Shenzhen Open 2023 Final 3 32.89 42.09 43.3441.4532.8945.2141.48
First round 4 40.03 43.24 43.9147.1540.8444.9740.03
Hong Kong Big Cube Day 2023 Final 4 39.56 44.58 48.9650.9341.6443.1539.56
First round 3 40.14 43.35 47.8540.1451.4141.0341.16
Singapore Championship 2023 Final 11 44.31 47.26 48.2946.2348.8847.2744.31
First round 8 43.40 46.68 51.1549.5944.5643.4045.90
Shenzhen Good Afternoon 2021 Final 3 45.21 55.64 54.6153.3445.211:03.2358.96
China Championship 2019 First round 47 1:15.40 1:22.33 1:16.511:19.701:30.791:15.401:43.44
Shenzhen Open 2018 First round 26 1:22.10 1:33.20 1:40.271:23.711:35.611:47.381:22.10
China's 10th Anniversary Championship 2017 First round 22 1:30.27 1:44.84 1:50.561:34.941:49.031:30.271:57.23
Longyan Summer Open 2017 Final 9 1:29.40 1:44.74 1:49.441:57.181:39.891:29.401:44.90
Pyraminx
Singapore Championship 2023 Final 11 2.99 4.55 4.323.092.997.356.23
Second round 9 2.69 3.72 3.884.065.132.693.22
First round 9 3.17 3.88 3.174.693.604.183.85
Jieyang Winter 2020 First round 31 3.29 DNF DNF3.465.263.29DNF
Shenzhen Open 2019 Final 3 2.87 3.47 3.443.682.874.283.28
First round 4 2.24 3.81 2.964.992.24DNF3.48
Shenzhen Cubing 10th Anniversary 2019 Final 1 2.17 3.02 3.923.342.173.182.53
Semi Final 4 3.76 4.49 3.765.284.293.899.70
Second round 11 3.79 5.08 5.435.983.833.797.05
First round 4 2.15 3.93 4.782.152.814.194.95
Jieyang Open 2019 Final 2 3.53 3.98 4.044.024.683.533.89
First round 2 3.11 4.33 DNF5.493.114.003.51
China Championship 2019 Final 12 3.02 4.00 3.254.675.493.024.07
Semi Final 6 2.41 3.41 3.214.843.823.192.41
Second round 26 2.90 4.29 4.255.407.663.222.90
First round 10 2.62 3.27 2.623.133.553.883.14
GDSY Open 2019 Final 8 3.74 5.04 5.083.745.734.995.05
First round 3 3.22 4.19 4.056.044.214.313.22
Yangjiang Open 2019 Final 1 3.49 4.82 4.196.275.063.495.21
First round 1 3.02 4.27 3.028.963.174.864.78
Shenzhen Nanshan 2018 Final 7 5.97 6.91 8.245.976.416.078.33
First round 8 4.75 5.82 4.756.345.325.807.17
China's 10th Anniversary Championship 2017 Second round 29 4.43 7.46 11.467.804.436.198.38
First round 30 5.99 7.66 8.687.245.998.927.07
Longyan Summer Open 2017 Final 11 5.58 7.78 5.587.199.657.548.61
First round 7 6.62 7.51 7.546.629.237.647.34
Skewb
Singapore Championship 2023 Second round 13 2.41 5.38 3.078.682.417.245.84
First round 11 4.05 4.67 4.055.654.695.134.18
Jieyang Winter 2020 Final 2 3.19 4.21 5.623.676.673.353.19
First round 2 2.16 3.34 4.763.193.532.163.30
Shenzhen Open 2019 Final 1 2.42 3.10 2.893.423.463.002.42
First round 2 3.08 4.02 4.404.463.084.093.57
Shenzhen Cubing 10th Anniversary 2019 Final 1 3.05 3.85 3.563.675.834.323.05
Second round 3 3.74 4.42 4.874.175.183.744.22
First round 2 3.20 4.24 3.254.883.204.605.53
China Championship 2019 Semi Final 14 3.93 4.24 4.474.016.493.934.25
Second round 31 3.80 5.78 5.403.806.565.3810.07
First round 15 3.33 4.44 4.925.843.993.334.40
Dongguan Spring 2019 Final 1 2.73 4.30 6.172.734.393.984.54
First round 2 3.90 5.46 7.264.994.143.909.30
Jieyang Winter 2019 Final 1 3.24 4.19 4.605.854.043.243.92
First round 1 3.34 4.54 4.125.083.344.416.27
Dongguan Mid-Autumn Festival 2018 Final 2 4.00 4.90 5.644.005.524.145.04
Nanning Open 2018 Final 5 3.89 5.95 6.905.675.298.123.89
Shenzhen Open 2018 First round 20 4.63 6.48 5.948.327.146.374.63
Shenzhen Open 2017 Final 19 4.25 8.71 7.087.8512.8911.204.25
China's 10th Anniversary Championship 2017 Final 13 6.28 6.54 6.846.408.496.286.37
First round 12 6.13 6.59 6.426.786.137.586.58
Longyan Summer Open 2017 First round 19 6.28 11.61 11.476.2812.2314.8611.14
Square-1
China's 10th Anniversary Championship 2017 First round 30 32.65 45.7432.65

History of National Records

Single Average Competition Round Solves
4x4x4 Cube
19.78 Shenzhen Open 2023 Final
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