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 31 606 1813 6.38 7.60 1057 389 19
2x2x2 Cube 112 1926 8015 2.01 2.74 2844 738 35
4x4x4 Cube 62 630 1863 29.58 35.62 2331 811 77
5x5x5 Cube 153 1362 3951 1:09.46 1:20.20 4653 1598 168
3x3x3 Fewest Moves 94 1481 5494 40
3x3x3 One-Handed 70 1540 4374 14.23 19.34 6105 2322 110
Clock 78 1460 6272 9.43 12.50 7526 1756 94
Pyraminx 175 4125 15235 4.95 6.55 9306 2729 128
Skewb 413 8718 35716 9.60 20.75 51392 12219 555
Square-1 34 442 2017 11.44 13.22 1225 267 23

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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