Yu-Chia Chang (張祐嘉)

Region WCA ID Gender Competitions Completed Solves
Chinese Taipei 2019CHAN59 Male 10 317

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 34 708 2042 6.38 7.60 1203 454 22
2x2x2 Cube 115 2103 8711 2.01 2.74 3074 816 37
4x4x4 Cube 67 709 2070 29.58 35.62 2573 909 84
5x5x5 Cube 158 1532 4369 1:09.46 1:20.20 5141 1799 171
3x3x3 Fewest Moves 102 1574 5777 40
3x3x3 One-Handed 75 1652 4656 14.23 19.34 6471 2477 119
Clock 86 1625 6874 9.43 12.50 8219 1943 104
Pyraminx 186 4375 16155 4.95 6.55 9851 2882 132
Skewb 437 9153 37479 9.60 20.75 53863 12771 584
Square-1 40 481 2137 11.44 13.22 1314 296 24

Medal Collection

Gold Silver Bronze
0 0 1
Competition Round Place Single Average Solves
3x3x3 Cube
Taoyuan Airport Cube Day 2025 Final 3 6.49 7.72 7.278.247.646.4910.09
Second round 3 7.10 7.60 9.527.497.108.067.24
First round 12 6.38 8.45 9.708.547.126.3810.50
Shin Kong Cube Open - Taichung 2025 Final 5 7.15 7.98 9.528.647.597.157.70
Second round 4 7.23 7.84 7.498.538.137.237.90
First round 4 7.12 8.13 9.078.827.607.127.98
Hsinchu Summer Open 2025 Final 8 7.69 8.95 DNF10.098.027.698.73
Second round 10 6.82 8.79 6.828.569.159.688.67
First round 12 6.77 8.74 7.936.7711.1211.797.18
BQHS Spring Open 2025 Second round 29 8.01 9.83 9.658.0111.049.4910.34
First round 14 6.79 8.95 7.918.1710.7814.826.79
Taiwan Championship 2024 Final 9 8.59 9.19 9.309.639.209.088.59
Semi Final 10 7.28 8.26 9.409.337.687.787.28
Second round 25 7.90 9.43 10.579.198.5311.207.90
First round 6 7.45 7.84 8.068.827.457.767.69
Shin Kong Cube Open - Taichung 2024 Final 6 6.40 8.71 6.4010.067.709.039.39
Second round 7 7.78 8.62 7.9810.347.788.938.96
First round 8 8.09 9.04 8.259.679.318.099.56
Hsinchu Summer Open 2024 Second round 19 8.24 9.30 8.249.998.8114.199.11
First round 10 7.62 8.60 7.628.7510.829.347.72
Taipei Summer Open 2024 Second round 46 8.65 11.01 13.389.8813.429.788.65
First round 15 8.37 9.14 9.558.4310.169.448.37
Taichung Open 2024 Second round 15 7.35 9.48 9.189.999.287.3510.58
First round 15 8.17 9.96 8.7810.7010.7810.408.17
Dream One Cube Open 2019 First round 83 17.91 19.99 19.6217.9119.3920.9621.43
2x2x2 Cube
Taoyuan Airport Cube Day 2025 Second round 23 3.27 3.77 3.273.274.017.424.04
First round 16 2.44 3.31 2.443.062.646.564.22
Hsinchu Summer Open 2025 First round 16 2.33 3.42 3.283.073.913.902.33
BQHS Spring Open 2025 Final 14 2.06 3.35 3.483.255.323.332.06
First round 8 2.16 2.74 3.283.442.732.162.22
Taiwan Championship 2024 First round 98 3.25 5.78 6.389.654.103.256.86
Hsinchu Summer Open 2024 First round 23 2.01 3.98 4.975.703.403.572.01
Taipei Summer Open 2024 Second round 30 3.07 4.08 3.563.914.763.076.66
First round 6 2.33 3.02 2.333.472.344.063.25
Taichung Open 2024 First round 25 2.35 4.08 3.403.432.355.426.74
Dream One Cube Open 2019 First round 59 6.80 7.17 6.807.356.937.247.66
4x4x4 Cube
Taoyuan Airport Cube Day 2025 Second round 20 29.58 35.62 35.1138.2029.5839.4833.56
First round 23 32.73 35.80 37.0335.8635.7332.7335.81
Hsinchu Summer Open 2025 First round 32 32.27 39.93 32.2743.7137.9249.3238.15
BQHS Spring Open 2025 First round 28 35.50 38.74 39.6236.9035.5041.7939.69
Taiwan Championship 2024 First round 87 42.55 45.74 48.5652.9844.7642.5543.90
Hsinchu Summer Open 2024 First round 54 37.04 51.00 56.33DNF42.9237.0453.75
Taipei Summer Open 2024 First round 62 43.37 45.40 45.6545.2543.3745.3159.91
Taichung Open 2024 First round 45 34.43 46.02 34.4349.4950.8039.6448.92
Dream One Cube Open 2019 First round 73 1:53.49 1:59.711:53.49
5x5x5 Cube
Taoyuan Airport Cube Day 2025 Second round 55 1:09.46 1:24.06 1:30.091:20.001:22.081:09.461:31.92
First round 55 1:11.32 1:20.20 1:17.941:24.121:11.321:18.541:25.26
3x3x3 Fewest Moves
Taiwan Championship 2024 Final 14 40 40
3x3x3 One-Handed
Hsinchu Summer Open 2025 First round 22 14.23 19.34 18.7314.2318.5025.8020.79
BQHS Spring Open 2025 First round 37 20.65 22.36 20.8720.6526.1322.5523.66
Taiwan Championship 2024 First round 61 21.81 24.16 25.7324.7021.8124.0223.77
Hsinchu Summer Open 2024 First round 32 19.47 22.94 19.4725.9924.8723.4620.50
Taipei Summer Open 2024 First round 37 16.13 20.00 24.2221.2617.5721.1716.13
Taichung Open 2024 Final 37 19.92 23.53 19.9222.3332.4720.8727.40
Clock
Taiwan Championship 2024 First round 73 9.43 DNF 10.249.58DNFDNF9.43
Taipei Summer Open 2024 First round 47 12.97 18.28 DNF12.9714.5517.7922.51
Taichung Open 2024 First round 24 11.31 12.50 11.3111.9512.30DNF13.24
Pyraminx
Taiwan Championship 2024 First round 33 4.95 7.23 8.154.956.008.197.55
Taipei Summer Open 2024 Second round 36 6.63 7.15 13.617.497.156.636.81
First round 32 5.75 6.55 6.966.376.318.485.75
Taichung Open 2024 First round 38 6.67 10.63 9.2412.4812.126.6710.53
Skewb
Taipei Summer Open 2024 First round 83 9.60 20.75 9.6038.5012.2934.9315.04
Square-1
Taoyuan Airport Cube Day 2025 Final 9 11.52 16.39 20.1814.8211.5214.1826.62
First round 8 11.44 13.22 12.3114.8721.4511.4412.47
Taiwan Championship 2024 First round 25 17.96 20.34 17.9628.8320.1319.4021.49
Taipei Summer Open 2024 First round 29 22.55 28.08 22.5532.1228.5723.7631.90
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