Letian Mattia Chang

Missing avatar thumb
Country WCA ID Gender Competitions Completed Solves
Italy 2010CHAN14 Male 19 536

Current Personal Records

Event NR CR WR Single Average WR CR NR
Rubik's Cube 55 840 2980 10.06 13.93 5898 1519 78
2x2x2 Cube 63 1232 3665 2.72 4.92 5290 1596 72
4x4x4 Cube 121 2645 9784 1:11.05 1:19.26 8993 2418 113
5x5x5 Cube 122 2647 8390 2:57.83 3:07.32 6740 2025 87
3x3x3 Blindfolded 79 1087 3326 5:27.03
3x3x3 Fewest Moves 47 975 2197 44
3x3x3 One-Handed 92 2299 9177 29.80 40.47 10688 2643 100
Megaminx 87 2041 5829 3:38.28
Pyraminx 93 2599 8061 7.50 12.92 11667 3498 124
Skewb 85 3012 10163 13.71 21.31 10422 3010 90
3x3x3 Multi-Blind 38 520 1236 1/2 8:00

Medal Collection

Gold Silver Bronze
0 0 6
Competition Round Place Single Average Solves
Rubik's Cube
Turin Cube Day 2017 Second 24 15.77 20.61 23.2421.8415.7718.9821.02
First 22 16.68 19.36 17.1923.3834.6816.6817.52
Milan Winter Open 2015 Second 11 15.00 15.90 17.1316.8815.4315.0015.40
First 12 14.78 16.05 14.7814.8716.7717.1316.52
PoliMi Italian Open 2014 First 30 14.40 17.16 20.3114.4014.6322.7516.55
Bugella Open 2014 Second 17 15.59 17.81 18.1618.2215.5917.0620.93
First 13 12.68 16.66 18.4719.8818.3413.1812.68
No Parity Open 2014 Second 9 13.40 16.22 17.0015.1316.5213.4017.93
First 10 14.65 17.01 14.6517.5016.1617.3820.72
Legnano Open 2014 Second 10 12.97 16.85 16.8017.0617.9016.6812.97
First 10 14.81 17.10 17.8817.3817.0316.9014.81
Milan Winter Open 2014 Second 16 10.14 16.09 14.8520.0810.1414.4718.94
First 13 12.75 15.35 16.8317.6712.7513.0216.21
Legnano Open 2013 Final 10 14.80 16.36 20.5914.8016.7815.0917.21
Second 9 11.83 14.55 15.4015.0815.5513.1811.83
First 20 15.31 17.61 17.8818.2715.3116.6921.66
Big CubingItaly Open 2013 Second 19 14.58 16.40 14.7514.5816.5019.2217.94
First 16 13.57 15.53 15.2113.5715.6817.1115.69
Milan Blind Day 2013 Second 23 14.03 17.78 18.1915.0220.1321.0014.03
First 12 13.58 15.34 13.5815.5515.5017.9614.97
Houston Winter 2013 Final 4 13.25 15.41 16.0813.7813.2516.3816.80
Second 5 12.75 15.78 15.8116.2712.7516.1515.38
First 4 13.03 14.43 13.7713.0314.3315.1817.15
Shanghai Summer 2012 Combined First 64 17.85 21.2817.85
Italian Open 2012 Final 14 13.16 16.98 17.9019.1813.8620.0013.16
Second 12 13.66 14.75 14.5815.3114.3613.6616.30
First 13 10.06 14.06 16.4112.7810.0615.6813.71
Legnano Open 2012 Second 14 13.75 15.87 13.7517.9026.7715.5614.16
First 8 13.59 15.24 14.1515.8113.5916.4615.75
Milan Cube Open 2012 Second 15 13.22 16.74 13.2220.6814.05DNF15.50
First 9 12.58 13.93 13.8113.1914.7817.0312.58
Mantua Winter 2011 Second 12 13.58 15.24 15.5314.2515.9413.5822.63
First 16 12.84 16.69 15.5917.3619.2212.8417.13
Milan Blind Day 2011 Second 16 14.31 18.49 19.4121.9014.3118.8817.18
First 15 15.88 17.60 17.9715.8824.5318.0616.76
Mantua Spring 2011 Second 21 19.18 23.32 20.18DNF21.1919.1828.58
First 17 15.97 19.98 15.9719.4122.1319.0321.50
Mediolanum Open 2010 First 22 25.27 26.97 27.7228.3625.4425.2727.75
2x2x2 Cube
Turin Cube Day 2017 Second 23 4.03 7.36 12.916.229.644.036.22
First 24 6.02 8.40 53.316.027.879.747.59
Milan Winter Open 2015 First 12 5.42 6.69 7.035.785.427.268.92
PoliMi Italian Open 2014 Second 16 4.07 6.02 8.858.015.045.004.07
First 12 4.50 5.44 4.866.464.505.156.31
Bugella Open 2014 Second 14 5.71 7.29 7.505.717.6610.756.72
First 9 3.68 5.45 6.555.634.186.713.68
Legnano Open 2014 Final 8 4.90 6.59 18.754.907.466.525.79
Second 8 2.88 5.88 2.889.814.557.785.30
First 6 2.72 4.92 5.116.064.382.725.28
Milan Winter Open 2014 First 13 3.78 5.85 7.973.843.785.917.81
Legnano Open 2013 Second 10 4.44 5.33 7.554.445.096.274.63
First 14 4.28 6.00 6.436.274.286.035.69
Houston Winter 2013 Final 3 4.81 5.10 4.934.814.965.406.93
First 4 4.65 5.42 5.654.657.035.085.52
Shanghai Summer 2012 Combined First 34 3.96 6.08 3.966.805.436.406.40
Italian Open 2012 First 17 5.58 6.13 6.886.085.656.665.58
Legnano Open 2012 Second 10 3.68 5.74 5.346.726.913.685.15
First 17 5.31 7.57 5.317.368.6811.476.66
Milan Cube Open 2012 First 10 3.18 5.36 7.363.253.185.467.52
Mantua Winter 2011 First 16 6.30 6.66 7.276.586.306.317.09
Mantua Spring 2011 Second 19 5.97 8.78 DNF9.007.3110.035.97
First 20 5.02 8.69 9.388.65DNF8.055.02
Mediolanum Open 2010 First 15 5.22 7.53 DNF5.2510.366.975.22
4x4x4 Cube
Turin Cube Day 2017 Combined First 21 2:20.07 2:45.162:20.07
Milan Winter Open 2015 Combined First 19 1:39.03 1:39.03DNF
PoliMi Italian Open 2014 Combined First 31 1:23.86 1:23.86DNF
Bugella Open 2014 Combined First 19 1:28.50 1:28.501:32.75
Milan Winter Open 2014 Combined First 23 1:52.52 1:52.521:54.81
Legnano Open 2013 Combined First 20 1:21.72 1:21.721:54.84
Big CubingItaly Open 2013 Combined First 27 1:28.55 1:28.551:34.91
Milan Blind Day 2013 Combined First 28 1:23.19 1:31.301:23.19
Houston Winter 2013 Combined Final 3 1:15.52 1:19.26 1:28.941:21.771:18.911:17.091:15.52
Shanghai Summer 2012 Combined First 54 1:37.63 1:51.061:37.63
Italian Open 2012 Combined First 21 1:11.05 1:11.051:27.46
Legnano Open 2012 Combined First 18 1:22.05 1:27.44 1:35.861:23.221:29.581:22.051:29.52
Milan Cube Open 2012 Combined First 18 1:22.81 1:22.811:32.97
Mantua Winter 2011 Combined First 21 1:36.68 1:37.021:36.68
Milan Blind Day 2011 Combined First 15 1:41.40 2:29.931:41.40
Mantua Spring 2011 Combined First 25 2:09.84 2:09.842:23.02
Mediolanum Open 2010 Combined First 20 1:53.75 1:53.752:19.25
5x5x5 Cube
No Parity Open 2014 Combined Final 8 3:14.66 3:20.913:14.66
Legnano Open 2014 Combined First 11 3:04.75 4:11.193:04.75
Legnano Open 2013 Combined Final 14 2:57.83 4:05.112:57.83
Big CubingItaly Open 2013 Combined First 22 3:05.65 3:05.65DNS
Houston Winter 2013 Combined Final 9 3:01.08 3:07.32 3:08.523:07.093:06.363:01.083:40.43
Shanghai Summer 2012 Combined First 43 3:05.94 3:16.383:05.94
Italian Open 2012 Combined First 30 3:24.97 3:24.974:08.30
Legnano Open 2012 Combined First 20 3:20.16 3:20.163:26.22
Milan Cube Open 2012 Combined First 19 3:20.16 3:20.163:51.91
Mantua Winter 2011 Combined Final 23 3:50.15 4:40.963:50.15
Mantua Spring 2011 Combined First 17 5:53.81 5:53.816:49.46
6x6x6 Cube
Big CubingItaly Open 2013 Combined First 16 DNF DNF
Italian Open 2012 Combined Final 19 DNF DNF
7x7x7 Cube
Italian Open 2012 Combined Final 11 DNF DNF
3x3x3 Blindfolded
Milan Winter Open 2015 Combined First 6 DNF DNFDNF
PoliMi Italian Open 2014 Combined First 11 6:18.65 DNF6:18.65
Bugella Open 2014 First 7 6:15.31 DNF 6:15.316:18.06DNF
No Parity Open 2014 First 6 6:05.50 DNF 6:05.50DNFDNF
Legnano Open 2014 Final 4 DNF DNF DNFDNFDNS
First 7 5:43.88 DNF 5:43.88DNFDNF
Milan Winter Open 2014 Combined Final 4 5:38.36 DNF5:38.36
Legnano Open 2013 Final 6 5:27.03 DNF DNF5:27.03DNF
Milan Blind Day 2013 First 17 DNF DNF DNFDNFDNF
Houston Winter 2013 Final 6 6:36.50 DNF DNF6:36.50DNF
Italian Open 2012 Combined First 15 5:39.15 DNF DNF5:39.15DNF
Legnano Open 2012 First 10 6:33.22 DNF 6:33.22DNFDNF
Milan Cube Open 2012 First 13 DNF DNF DNFDNFDNF
Mantua Winter 2011 Final 4 DNF DNFDNF
Milan Blind Day 2011 First 13 5:39.56 DNF DNF5:39.56DNF
Mantua Spring 2011 Final 5 8:47.61 DNF 9:37.418:47.61DNF
Combined First 4 6:48.53 DNF6:48.53
Mediolanum Open 2010 First 6 DNF DNF DNFDNFDNF
3x3x3 Fewest Moves
Milan Winter Open 2015 Final 8 DNF DNF
PoliMi Italian Open 2014 Final 13 DNF DNF
Italian Open 2012 Final 12 DNF DNF
Milan Cube Open 2012 Final 9 52 52
Mantua Spring 2011 Final 3 44 44
3x3x3 One-Handed
Milan Winter Open 2015 Combined First 16 53.09 53.09DNF
PoliMi Italian Open 2014 Combined First 23 44.33 55.1844.33
Bugella Open 2014 Second 14 46.34 57.51 1:02.4346.341:03.132:44.9046.96
Combined First 14 49.84 58.74 1:25.1349.8453.8451.281:11.09
Legnano Open 2014 Combined First 12 51.61 55.7251.61
Milan Winter Open 2014 Combined First 15 49.15 49.151:03.33
Legnano Open 2013 Combined First 21 58.53 58.531:30.46
Milan Blind Day 2013 Combined Final 20 43.31 46.36 43.3143.8151.2844.001:29.86
Houston Winter 2013 Final 8 39.68 58.33 1:48.831:04.6139.6842.461:07.91
Combined First 7 30.58 40.47 33.4047.1345.3042.7130.58
Shanghai Summer 2012 Combined First 45 37.77 37.7746.68
Italian Open 2012 Combined First 22 35.05 48.70 54.2239.4635.0552.4154.25
Legnano Open 2012 Combined First 16 29.80 41.46 41.6529.801:06.5845.4737.27
Mantua Winter 2011 Combined Final 17 40.90 47.5240.90
Mantua Spring 2011 Combined First 17 45.41 52.72 51.3455.8145.4151.001:05.36
Mediolanum Open 2010 Combined Final 17 1:36.41 1:36.41DNF
Megaminx
Milan Winter Open 2014 Combined Final 8 3:38.28 4:01.883:38.28
Milan Cube Open 2012 Combined Final 4 3:48.90 3:48.904:07.77
Milan Blind Day 2011 Combined Final 8 5:02.65 5:02.656:35.38
Mantua Spring 2011 Combined Final 14 6:06.63 6:21.226:06.63
Pyraminx
Turin Cube Day 2017 First 20 9.41 15.51 22.0711.239.4113.2323.17
Milan Winter Open 2015 Combined Final 6 10.03 13.56 13.7213.0213.9414.0010.03
Bugella Open 2014 First 10 7.50 12.92 13.5811.407.5023.1313.77
Milan Winter Open 2014 Combined First 21 19.50 19.5041.28
Legnano Open 2013 Final 15 9.61 18.01 18.219.6132.8115.1320.68
Shanghai Summer 2012 Combined First 22 9.15 15.43 16.1115.949.1514.3016.06
Italian Open 2012 Combined Final 16 11.58 16.35 11.5830.6514.2815.0019.77
Legnano Open 2012 Final 11 11.40 19.30 20.4611.4021.4721.0316.40
Mantua Spring 2011 Combined Final 20 15.56 16.2715.56
Skewb
Milan Winter Open 2015 Combined Final 7 18.00 22.90 42.7722.9618.0019.1326.61
Bugella Open 2014 First 10 13.71 21.31 30.1922.4018.6122.9113.71
No Parity Open 2014 Final 3 15.72 22.60 20.9729.2718.3628.4715.72
Milan Winter Open 2014 Combined First 12 25.13 36.65 53.1337.2725.1329.4743.22
3x3x3 Multi-Blind
Milan Blind Day 2013 Final 10 1/2 8:00 DNF1/2 8:00
Italian Open 2012 Final 7 1/2 11:58 DNF1/2 11:58
Milan Cube Open 2012 Final 6 DNF DNF
Milan Blind Day 2011 Final 7 DNF DNFDNS
Mantua Spring 2011 Final 3 DNF DNF
Rubik's Magic
Shanghai Summer 2012 First 27 1.58 2.85 5.221.581.69DNF1.65
Italian Open 2012 Final 10 1.84 2.72 1.842.464.592.133.56
Mantua Winter 2011 Final 3 1.55 1.68 2.131.551.751.581.71
Mantua Spring 2011 Final 9 1.44 1.97 1.561.522.831.443.63
Mediolanum Open 2010 Final 12 2.83 3.86 3.464.064.062.83DNF
Master Magic
Shanghai Summer 2012 First 17 4.33 5.05 5.284.785.254.335.11
Mantua Spring 2011 Final 3 4.06 4.18 4.114.114.064.317.47