Jason Chang (章維祐)

Region WCA ID Gender Competitions Completed Solves
United States 2023CHAN15 Male 32 691

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 9684 12891 50621 14.05 21.11 78852 20501 15394
2x2x2 Cube 7798 10230 36548 3.72 6.73 56287 16004 12240
4x4x4 Cube 4632 6301 24520 58.07 1:05.72 23714 6084 4456
5x5x5 Cube 1590 2168 8298 1:27.38 1:37.49 8405 2214 1630
6x6x6 Cube 662 880 3182 2:26.64 2:33.61 2941 817 621
7x7x7 Cube 346 455 1740 3:21.10 3:29.22 1605 416 316
3x3x3 Blindfolded 1618 2165 9536 6:39.26 - - -
3x3x3 Fewest Moves 799 1029 4656 39 - - -
3x3x3 One-Handed 5717 7788 31005 30.81 55.52 43424 11553 8552
Clock 1825 2230 7443 11.11 13.15 7100 2133 1748
Megaminx 936 1274 4717 1:12.29 1:20.83 4595 1234 899
Pyraminx 15991 20527 70629 11.32 14.67 61159 17653 13778
Skewb 7114 8984 29509 8.79 16.47 38889 12311 9789
Competition Round Place Single Average Solves
3x3x3 Cube
UCLA Spring 2025 Second round 114 20.65 23.28 23.5524.6321.6720.6530.10
First round 118 17.55 22.52 24.8822.2020.4917.5527.37
Agoura Side Events Day 2025 First round 84 21.89 23.67 25.3421.8923.6125.2822.11
Penn Cube Day Spring 2025 First round 70 23.37 24.02 26.3623.3724.0124.4423.62
Honolulu Hoʻoilo 2025 Second round 48 19.11 23.02 26.9119.1121.1223.3924.54
First round 48 20.79 24.33 25.9324.9020.7924.5823.50
Santa Barbara Winter 2025 Second round 58 14.62 25.23 14.6232.0923.99DNF19.61
First round 51 19.93 21.92 33.7220.9319.9424.8919.93
Nub Open Lake Forest 2024 Second round 85 17.51 21.29 20.4622.6020.8217.5126.87
First round 94 18.14 23.08 26.1119.3625.4224.4718.14
CubeChella 2024 Second round 45 17.99 21.83 21.5517.9923.1620.7724.37
First round 44 17.84 21.81 19.2523.3329.2417.8422.86
UCSD Fall 2024 First round 127 18.91 25.81 18.9127.0925.2625.0727.23
Vegas Cubing Cup Fall 2024 Second round 55 14.05 21.65 14.0525.3720.8529.7318.72
First round 75 20.39 27.45 23.8930.19DNF20.3928.26
Temecula Valley Fall 2024 Second round 81 18.45 24.12 21.0331.1318.4527.9123.41
First round 78 18.87 21.77 24.4022.8421.1618.8721.31
Super Duper San Diego 2024 Second round 118 20.95 25.16 27.2922.4733.0420.9525.71
First round 122 17.60 24.66 20.7526.1327.1130.4717.60
La La Land 2024 Second round 145 20.74 23.49 22.9320.7426.3324.8022.75
First round 145 19.02 21.11 21.8620.5819.0220.9022.73
CubingUSA Western Championship 2024 First round 176 21.66 23.96 22.5226.9922.8926.4721.66
Arizona Championship 2024 Second round 66 27.83 28.65 29.1442.8428.2928.5227.83
First round 54 21.11 22.85 21.1128.1623.3123.0022.23
San Diego Big Cub 2024 Second round 55 20.37 25.98 20.3723.2427.8926.8235.13
First round 65 23.19 26.83 23.1942.5625.6428.0326.82
UCSD Winter 2023 First round 185 22.27 32.63 34.5932.4130.9022.2738.64
Berkeley Fall 2023 First round 150 25.67 31.96 31.5133.8538.0625.6730.52
UCSD Extravaganza 2023 First round 148 35.65 43.79 39.4735.6546.8045.0947.85
Bay Area Speedcubin' 41 2023 First round 147 44.33 56.53 59.751:05.5152.3857.4544.33
2x2x2 Cube
Bay Area Side Events Day 2025 First round 79 3.72 6.73 4.938.5311.653.726.72
Honolulu Hoʻoilo 2025 Final 51 7.12 11.81 11.5717.208.8415.027.12
CubeChella 2024 First round 52 8.08 9.41 13.308.968.248.0811.04
UCSD Weeknights II 2024 Final 12 5.75 7.87 9.125.757.576.9115.44
Vegas Cubing Cup Fall 2024 First round 58 6.53 7.21 6.699.778.186.536.76
Temecula Valley Fall 2024 First round 79 5.72 8.44 8.827.179.439.345.72
Super Duper San Diego 2024 First round 145 5.86 DNF 6.74DNFDNF5.868.55
La La Land 2024 Second round 108 6.46 7.23 7.367.426.466.9110.75
First round 138 5.47 8.17 8.537.188.8012.965.47
CubingUSA Western Championship 2024 First round 159 3.99 7.38 8.258.9710.434.923.99
Arizona Championship 2024 First round 68 8.58 9.94 8.589.5811.589.4110.84
UCSD Winter 2023 First round 166 7.97 19.52 7.9711.3229.5037.1717.74
Berkeley Fall 2023 First round 124 7.64 10.58 11.629.3811.6810.737.64
UCSD Extravaganza 2023 First round 102 8.51 10.82 20.9813.179.418.519.88
4x4x4 Cube
UCLA Spring 2025 First round 66 1:02.15 1:06.58 1:12.551:17.961:04.071:02.151:03.13
Penn Cube Day Spring 2025 First round 51 1:02.80 1:16.01 1:17.461:23.981:02.801:09.131:21.44
Honolulu Hoʻoilo 2025 First round 29 58.07 1:10.70 58.071:12.471:10.081:36.651:09.55
UCSD Weeknights III 2025 Final 22 59.63 1:05.72 1:09.201:06.6159.631:24.391:01.35
Big Start Baja 2025 First round 18 1:02.09 1:06.75 1:04.521:02.091:16.351:05.491:10.23
Vegas Cubing Cup Fall 2024 First round 37 1:10.43 1:16.18 1:13.671:13.461:21.401:10.43DNF
Temecula Valley Fall 2024 First round 55 1:14.40 1:20.43 1:22.511:23.931:14.851:26.371:14.40
Super Duper San Diego 2024 First round 67 1:03.20 1:14.15 1:03.201:13.261:20.331:08.87DNF
La La Land 2024 Second round 72 1:24.21 1:29.73 1:24.211:24.681:37.341:28.651:35.87
First round 76 1:10.18 1:16.561:10.18
CubingUSA Western Championship 2024 First round 139 1:23.49 1:23.491:24.17
Arizona Championship 2024 First round 41 1:12.50 1:20.13 1:20.901:14.431:12.501:25.071:40.51
5x5x5 Cube
UCLA Spring 2025 First round 42 1:37.59 1:41.39 1:56.711:47.311:37.861:37.591:38.99
Penn Cube Day Spring 2025 Final 40 1:47.28 1:47.281:50.15
Honolulu Hoʻoilo 2025 Final 21 1:27.38 1:41.12 1:31.361:48.181:27.381:46.881:45.13
UCSD Big and Blind 2025 Final 14 1:35.51 1:41.85 1:42.891:38.811:46.961:43.861:35.51
Big Start Baja 2025 First round 17 1:38.56 1:41.20 1:39.011:41.121:50.291:43.481:38.56
Santa Barbara Winter 2025 First round 28 1:32.67 1:44.25 1:59.071:32.671:47.981:45.711:39.05
Long Island Side Events 2024 First round 32 1:58.35 2:01.811:58.35
CubeChella 2024 First round 25 1:30.08 1:43.91 1:48.531:46.321:30.081:40.011:45.40
UCSD Weeknights II 2024 Final 8 1:31.75 1:37.49 1:31.751:40.121:32.741:53.811:39.60
Super Duper San Diego 2024 First round 41 1:48.63 1:52.71 1:55.941:49.531:53.231:55.381:48.63
La La Land 2024 First round 48 1:35.35 1:44.46 1:49.741:45.641:37.991:35.351:53.80
CubingUSA Western Championship 2024 First round 80 1:35.47 1:46.95 1:46.441:35.471:47.15DNF1:47.26
Arizona Championship 2024 First round 22 1:39.49 1:54.76 1:48.971:42.112:15.791:39.492:13.21
San Diego Big Cub 2024 Second round 27 1:56.92 2:01.13 1:59.431:56.922:02.722:01.232:05.77
First round 26 1:44.41 1:54.86 2:00.251:44.412:00.251:48.701:55.63
UCSD Winter 2023 First round 64 2:31.58 2:38.762:31.58
UCSD Extravaganza 2023 First round 76 5:30.65 6:56.675:30.65
6x6x6 Cube
Penn Cube Day Spring 2025 Final 23 2:40.32 2:45.23 2:49.872:45.502:40.32
UCSD Weeknights IV 2025 Final 5 2:27.68 2:33.78 2:37.432:36.242:27.68
Honolulu Hoʻoilo 2025 Final 12 2:51.25 2:57.50 2:51.812:51.253:09.45
UCSD Big and Blind 2025 Final 8 2:31.49 2:38.61 2:44.072:31.492:40.27
Big Start Baja 2025 First round 14 2:44.32 2:50.28 2:44.322:46.013:00.50
Santa Barbara Winter 2025 First round 15 2:32.48 2:38.60 2:38.452:32.482:44.87
Long Island Side Events 2024 Final 16 2:26.64 2:33.61 2:32.622:26.642:41.57
CubeChella 2024 Final 14 2:53.54 2:59.68 2:53.612:53.543:11.88
UCSD Fall 2024 Final 17 2:37.52 2:48.83 2:58.162:50.802:37.52
Super Duper San Diego 2024 Final 25 2:46.83 3:04.10 3:18.792:46.833:06.67
La La Land 2024 First round 29 3:00.25 3:10.66 3:20.423:00.253:11.32
CubingUSA Western Championship 2024 First round 64 3:21.15 3:21.15
Arizona Championship 2024 Final 16 2:47.24 DNF 3:14.24DNF2:47.24
San Diego Big Cub 2024 First round 23 3:19.52 3:28.48 3:19.523:36.393:29.53
UCSD Winter 2024 Final 41 6:27.85 6:27.85
7x7x7 Cube
Penn Cube Day Spring 2025 Final 12 3:21.10 3:30.89 3:25.653:45.913:21.10
UCSD Weeknights IV 2025 Final 4 3:21.58 3:29.22 3:21.583:37.963:28.11
First round 5 3:21.41 3:41.70 3:37.814:05.883:21.41
Honolulu ʻUʻuku a Makapō 2025 Final 4 3:25.29 3:33.76 3:25.293:44.493:31.51
First round 4 3:28.80 3:38.48 3:28.803:51.513:35.14
UCSD Big and Blind 2025 Final 4 3:33.12 3:39.52 3:44.193:41.243:33.12
Big Start Baja 2025 Second round 10 3:43.55 3:53.55 4:01.373:43.553:55.73
First round 7 3:30.80 3:44.29 3:37.344:04.723:30.80
Santa Barbara Winter 2025 Final 11 3:48.03 4:04.18 3:48.034:30.443:54.08
First round 10 3:27.68 3:36.08 3:52.213:28.353:27.68
Long Island Side Events 2024 Final 12 3:21.22 3:37.28 3:38.833:51.803:21.22
UCSD Fall 2024 Final 18 3:46.29 DNF 3:55.55DNF3:46.29
Temecula Valley Fall 2024 First round 9 3:51.04 4:04.02 4:19.024:01.993:51.04
Super Duper San Diego 2024 Final 20 4:08.12 4:14.62 4:26.554:09.204:08.12
La La Land 2024 First round 29 4:42.10 DNF 4:42.104:44.06DNF
CubingUSA Western Championship 2024 First round 45 4:38.22 4:46.45 4:38.225:01.144:39.99
Arizona Championship 2024 Final 12 4:31.30 4:31.30
San Diego Big Cub 2024 First round 18 4:32.86 4:36.00 4:34.354:32.864:40.80
UCSD Please Be Qualified 2024 Final 12 5:15.36 5:41.51 5:15.365:46.256:02.93
Berkeley Fall 2023 Final 34 DNF DNF
3x3x3 Blindfolded
Penn Cube Day Spring 2025 Final 12 DNF DNF DNFDNFDNS
Honolulu ʻUʻuku a Makapō 2025 First round 11 7:54.75 DNF 7:54.75DNFDNS
UCSD Big and Blind 2025 Final 11 6:39.26 DNF DNF6:39.26DNF
First round 12 10:08.00 DNF 10:08.00DNFDNF
Long Island Side Events 2024 Final 12 DNF DNF DNFDNSDNS
Nub Open Lake Forest 2024 First round 19 8:14.64 DNF DNFDNF8:14.64
La La Land 2024 First round 23 DNF DNF DNFDNSDNS
CubingUSA Western Championship 2024 First round 39 DNF DNF DNFDNSDNS
Arizona Championship 2024 Final 15 DNF DNF DNFDNSDNS
UCSD Winter 2023 First round 24 DNF DNF DNFDNSDNS
UCSD Extravaganza 2023 First round 21 8:27.41 DNF 8:27.41DNFDNS
3x3x3 Fewest Moves
Big Start Baja 2025 Final 11 39 DNF 3949DNF
CubingUSA Western FMC Championship 2024 Final 23 57 DNF DNF57DNF
UCSD Please Be Qualified 2024 Final 12 DNF DNF DNSDNSDNF
3x3x3 One-Handed
UCLA Spring 2025 First round 84 49.64 49.641:09.38
UCSD Weeknights VI 2025 First round 20 50.93 56.15 1:11.1755.8650.9358.5154.08
Bay Area Side Events Day 2025 First round 72 49.71 49.711:09.86
Honolulu ʻUʻuku a Makapō 2025 First round 24 30.81 1:06.33 30.811:03.781:30.151:16.2858.94
UCSD Weeknights III 2025 First round 25 43.86 59.79 55.6143.861:07.641:00.491:03.28
Vegas Cubing Cup Fall 2024 First round 51 38.70 1:01.46 38.701:16.141:17.0346.971:01.26
Temecula Valley Fall 2024 First round 64 52.21 52.211:30.57
UCSD Weeknights I 2024 Final 25 47.39 55.52 56.6758.611:23.6451.2947.39
Super Duper San Diego 2024 First round 97 1:34.75 DNF1:34.75
La La Land 2024 First round 124 52.78 1:15.06 1:20.2252.781:03.321:35.161:21.65
CubingUSA Western Championship 2024 First round 149 1:23.56 DNF1:23.56
Arizona Championship 2024 First round 53 49.93 1:05.94 1:08.631:17.791:08.1149.931:01.09
UCSD Winter 2024 First round 90 1:22.07 1:22.072:41.75
Berkeley Fall 2023 First round 105 1:44.69 2:24.421:44.69
Clock
Agoura Side Events Day 2025 First round 29 11.11 13.15 11.1111.4518.0915.0812.92
Honolulu ʻUʻuku a Makapō 2025 First round 19 12.04 17.14 12.49DNF24.9414.0012.04
Long Island Side Events 2024 Final 26 13.94 17.45 DNF17.6017.2213.9417.52
UCSD Fall 2024 First round 30 11.86 13.64 15.6513.5813.9213.4311.86
UCSD Weeknights I 2024 Final 10 12.09 14.21 12.0912.50DNF17.0413.08
La La Land 2024 First round 48 12.37 15.84 22.4112.3713.2118.5715.73
CubingUSA Western Championship 2024 First round 123 31.59 31.59DNF
Arizona Championship 2024 First round 22 14.55 16.32 14.5516.3015.3617.3035.14
UCSD Extravaganza 2023 First round 53 38.36 59.94 1:21.251:23.2355.1138.3643.46
Megaminx
UCLA Spring 2025 First round 39 1:30.48 1:36.68 1:33.831:30.481:40.591:51.151:35.61
Agoura Side Events Day 2025 Final 27 1:12.62 1:38.35 1:12.621:32.921:48.031:46.371:35.76
UCSD Weeknights IV 2025 Final 7 1:12.29 1:20.83 1:14.441:20.621:12.291:36.821:27.44
Honolulu ʻUʻuku a Makapō 2025 First round 14 1:23.05 1:32.08 1:59.191:23.051:24.721:34.351:37.17
UCSD Weeknights III 2025 Final 11 1:23.73 1:33.27 1:36.111:36.861:26.841:42.041:23.73
Big Start Baja 2025 Second round 11 1:28.92 1:35.27 1:34.541:30.561:40.701:28.922:07.19
First round 12 1:28.30 1:34.24 1:38.221:46.891:28.301:33.791:30.70
Santa Barbara Winter 2025 First round 21 1:18.78 1:34.44 1:26.97DNF1:34.691:41.661:18.78
Long Island Side Events 2024 First round 21 1:25.96 1:33.02 1:37.401:25.961:47.001:26.901:34.76
Nub Open Lake Forest 2024 First round 25 1:23.73 1:37.96 1:46.291:23.731:36.891:47.491:30.70
Vegas Cubing Cup Fall 2024 Final 17 1:28.31 1:35.37 1:35.171:28.31DNF1:32.771:38.17
UCSD Weeknights I 2024 First round 16 1:24.18 1:28.61 1:24.181:27.931:28.001:29.891:37.60
Super Duper San Diego 2024 First round 27 1:31.04 1:37.15 1:31.041:40.581:34.381:38.331:38.74
La La Land 2024 First round 34 1:19.73 1:34.66 1:49.391:41.881:31.451:19.731:30.64
CubingUSA Western Championship 2024 First round 84 1:50.49 1:50.491:50.57
Arizona Championship 2024 First round 26 2:26.58 2:30.59 2:26.662:37.032:43.302:26.582:28.07
UCSD Winter 2023 First round 59 3:01.56 3:30.983:01.56
Bay Area Speedcubin' 41 2023 First round 50 DNF DNFDNF
Pyraminx
UCSD Weeknights VI 2025 First round 17 12.52 15.47 17.5015.2912.5213.9017.23
Agoura Side Events Day 2025 First round 62 14.26 14.67 14.9216.9614.7414.2614.36
Honolulu Hoʻoilo 2025 First round 49 18.83 27.76 19.6228.6734.99DNF18.83
CubeChella 2024 First round 43 16.89 21.28 19.0923.8316.8938.2820.92
Super Duper San Diego 2024 First round 82 18.39 20.13 19.2222.3021.2418.3919.92
La La Land 2024 First round 116 13.31 18.99 15.6427.7413.3120.9220.40
CubingUSA Western Championship 2024 First round 157 11.32 21.79 18.7225.6411.3226.3421.00
Arizona Championship 2024 First round 55 17.33 19.77 22.3918.5618.3733.9017.33
Skewb
UCSD Weeknights VI 2025 First round 18 11.90 20.73 18.7326.0822.7011.9020.75
Agoura Side Events Day 2025 First round 70 8.79 27.45 57.1526.1129.848.7926.39
Honolulu Hoʻoilo 2025 First round 37 13.78 18.50 17.2317.4220.8613.7842.53
Nub Open Lake Forest 2024 First round 63 13.58 19.35 14.9120.6922.4613.5826.34
CubeChella 2024 First round 37 13.61 16.47 22.0613.6114.7218.2416.46
UCSD Fall 2024 First round 90 9.31 18.40 21.3124.0319.8014.089.31
Super Duper San Diego 2024 First round 80 22.77 24.18 27.6224.4122.7723.3024.84
La La Land 2024 First round 109 16.83 25.15 DNF31.3416.8318.8725.25
CubingUSA Western Championship 2024 First round 135 15.43 25.87 21.2437.5227.4428.9215.43
Arizona Championship 2024 First round 58 27.51 33.46 40.5732.8932.2335.2527.51
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