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 51 750 2549 10.06 13.93 5022 1365 75
2x2x2 Cube 60 1110 3268 2.72 4.92 4530 1445 72
4x4x4 Cube 117 2381 8496 1:11.05 1:19.26 7775 2159 108
5x5x5 Cube 116 2419 7520 2:57.83 3:07.32 6066 1857 82
3x3x3 Blindfolded 78 1021 3081 5:27.03
3x3x3 Fewest Moves 46 937 2066 44
3x3x3 One-Handed 90 2096 8041 29.80 40.47 9425 2422 98
Megaminx 87 1880 5107 3:38.28
Pyraminx 89 2291 6774 7.50 12.92 9809 3076 119
Skewb 78 2553 8301 13.71 21.31 8503 2551 79
3x3x3 Multi-Blind 37 497 1147 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