Letian Mattia Chang

Country WCA ID Gender Competitions Completed Solves
Italy 2010CHAN14 Male 21 572

Current Personal Records

Event NR CR WR Single Average WR CR NR
3x3x3 Cube 89 1747 6556 10.06 13.93 12290 3047 155
2x2x2 Cube 105 2297 7328 2.72 4.92 10733 3071 132
4x4x4 Cube 193 4110 15546 1:04.41 1:11.12 14317 3787 176
5x5x5 Cube 201 4491 14786 2:57.83 3:07.32 11850 3399 130
3x3x3 Blindfolded 97 1674 5267 5:27.03
3x3x3 Fewest Moves 74 1540 3731 44
3x3x3 One-Handed 173 4077 16463 29.80 40.47 18885 4661 187
Megaminx 159 3974 11793 3:38.28
Pyraminx 156 5348 16638 7.50 12.92 23721 7357 225
Skewb 188 6575 21342 12.75 21.31 23290 7110 194
3x3x3 Multi-Blind 43 775 1962 1/2 8:00

Medal Collection

Gold Silver Bronze
0 0 6
Competition Round Place Single Average Solves
3x3x3 Cube
Turin Winter Open 2019 Second 28 16.29 17.25 16.2916.4219.2517.1318.21
First 25 11.91 15.65 11.9117.8617.6214.5314.80
Milan Saturday Open 2018 First 36 14.19 23.03 23.6221.3524.1225.2514.19
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
Milan Saturday Open 2018 First 21 5.63 6.20 6.735.636.095.7810.31
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 Winter Open 2019 Combined First 26 1:04.41 1:11.12 1:13.201:04.411:11.202:06.201:08.96
Milan Saturday Open 2018 Combined Final 30 1:41.07 1:41.071:46.56
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
Turin Winter Open 2019 Combined Final 21 3:11.57 3:11.573:45.95
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 Saturday Open 2018 First 10 DNF DNF DNFDNFDNS
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
Turin Winter Open 2019 Combined First 34 1:09.65 1:09.651:29.04
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
Turin Winter Open 2019 Combined First 18 12.75 35.31 12.7537.0535.5133.3838.29
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
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