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 97 1862 6981 10.06 13.93 12992 3253 164
2x2x2 Cube 105 2420 7678 2.72 4.92 11273 3248 140
4x4x4 Cube 202 4388 16426 1:04.41 1:11.12 15121 4038 182
5x5x5 Cube 205 4736 15569 2:57.83 3:07.32 12438 3569 133
3x3x3 Blindfolded 97 1763 5493 5:27.03
3x3x3 Fewest Moves 75 1576 3896 44
3x3x3 One-Handed 173 4258 17083 29.80 40.47 19667 4904 189
Megaminx 160 4192 12456 3:38.28
Pyraminx 170 5640 17492 7.50 12.92 24942 7797 243
Skewb 207 7029 22621 12.75 21.31 24708 7586 214
3x3x3 Multi-Blind 43 806 2067 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 round 28 16.29 17.25 16.2916.4219.2517.1318.21
First round 25 11.91 15.65 11.9117.8617.6214.5314.80
Milan Saturday Open 2018 First round 36 14.19 23.03 23.6221.3524.1225.2514.19
Turin Cube Day 2017 Second round 24 15.77 20.61 23.2421.8415.7718.9821.02
First round 22 16.68 19.36 17.1923.3834.6816.6817.52
Milan Winter Open 2015 Second round 11 15.00 15.90 17.1316.8815.4315.0015.40
First round 12 14.78 16.05 14.7814.8716.7717.1316.52
PoliMi Italian Open 2014 First round 30 14.40 17.16 20.3114.4014.6322.7516.55
Bugella Open 2014 Second round 17 15.59 17.81 18.1618.2215.5917.0620.93
First round 13 12.68 16.66 18.4719.8818.3413.1812.68
No Parity Open 2014 Second round 9 13.40 16.22 17.0015.1316.5213.4017.93
First round 10 14.65 17.01 14.6517.5016.1617.3820.72
Legnano Open 2014 Second round 10 12.97 16.85 16.8017.0617.9016.6812.97
First round 10 14.81 17.10 17.8817.3817.0316.9014.81
Milan Winter Open 2014 Second round 16 10.14 16.09 14.8520.0810.1414.4718.94
First round 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 round 9 11.83 14.55 15.4015.0815.5513.1811.83
First round 20 15.31 17.61 17.8818.2715.3116.6921.66
Big CubingItaly Open 2013 Second round 19 14.58 16.40 14.7514.5816.5019.2217.94
First round 16 13.57 15.53 15.2113.5715.6817.1115.69
Milan Blind Day 2013 Second round 23 14.03 17.78 18.1915.0220.1321.0014.03
First round 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 round 5 12.75 15.78 15.8116.2712.7516.1515.38
First round 4 13.03 14.43 13.7713.0314.3315.1817.15
Shanghai Summer 2012 First round 64 17.85 21.2817.85
Italian Open 2012 Final 14 13.16 16.98 17.9019.1813.8620.0013.16
Second round 12 13.66 14.75 14.5815.3114.3613.6616.30
First round 13 10.06 14.06 16.4112.7810.0615.6813.71
Legnano Open 2012 Second round 14 13.75 15.87 13.7517.9026.7715.5614.16
First round 8 13.59 15.24 14.1515.8113.5916.4615.75
Milan Cube Open 2012 Second round 15 13.22 16.74 13.2220.6814.05DNF15.50
First round 9 12.58 13.93 13.8113.1914.7817.0312.58
Mantua Winter 2011 Second round 12 13.58 15.24 15.5314.2515.9413.5822.63
First round 16 12.84 16.69 15.5917.3619.2212.8417.13
Milan Blind Day 2011 Second round 16 14.31 18.49 19.4121.9014.3118.8817.18
First round 15 15.88 17.60 17.9715.8824.5318.0616.76
Mantua Spring 2011 Second round 21 19.18 23.32 20.18DNF21.1919.1828.58
First round 17 15.97 19.98 15.9719.4122.1319.0321.50
Mediolanum Open 2010 First round 22 25.27 26.97 27.7228.3625.4425.2727.75
2x2x2 Cube
Milan Saturday Open 2018 First round 21 5.63 6.20 6.735.636.095.7810.31
Turin Cube Day 2017 Second round 23 4.03 7.36 12.916.229.644.036.22
First round 24 6.02 8.40 53.316.027.879.747.59
Milan Winter Open 2015 First round 12 5.42 6.69 7.035.785.427.268.92
PoliMi Italian Open 2014 Second round 16 4.07 6.02 8.858.015.045.004.07
First round 12 4.50 5.44 4.866.464.505.156.31
Bugella Open 2014 Second round 14 5.71 7.29 7.505.717.6610.756.72
First round 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 round 8 2.88 5.88 2.889.814.557.785.30
First round 6 2.72 4.92 5.116.064.382.725.28
Milan Winter Open 2014 First round 13 3.78 5.85 7.973.843.785.917.81
Legnano Open 2013 Second round 10 4.44 5.33 7.554.445.096.274.63
First round 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 round 4 4.65 5.42 5.654.657.035.085.52
Shanghai Summer 2012 First round 34 3.96 6.08 3.966.805.436.406.40
Italian Open 2012 First round 17 5.58 6.13 6.886.085.656.665.58
Legnano Open 2012 Second round 10 3.68 5.74 5.346.726.913.685.15
First round 17 5.31 7.57 5.317.368.6811.476.66
Milan Cube Open 2012 First round 10 3.18 5.36 7.363.253.185.467.52
Mantua Winter 2011 First round 16 6.30 6.66 7.276.586.306.317.09
Mantua Spring 2011 Second round 19 5.97 8.78 DNF9.007.3110.035.97
First round 20 5.02 8.69 9.388.65DNF8.055.02
Mediolanum Open 2010 First round 15 5.22 7.53 DNF5.2510.366.975.22
4x4x4 Cube
Turin Winter Open 2019 First round 26 1:04.41 1:11.12 1:13.201:04.411:11.202:06.201:08.96
Milan Saturday Open 2018 Final 30 1:41.07 1:41.071:46.56
Turin Cube Day 2017 First round 21 2:20.07 2:45.162:20.07
Milan Winter Open 2015 First round 19 1:39.03 1:39.03DNF
PoliMi Italian Open 2014 First round 31 1:23.86 1:23.86DNF
Bugella Open 2014 First round 19 1:28.50 1:28.501:32.75
Milan Winter Open 2014 First round 23 1:52.52 1:52.521:54.81
Legnano Open 2013 First round 20 1:21.72 1:21.721:54.84
Big CubingItaly Open 2013 First round 27 1:28.55 1:28.551:34.91
Milan Blind Day 2013 First round 28 1:23.19 1:31.301:23.19
Houston Winter 2013 Final 3 1:15.52 1:19.26 1:28.941:21.771:18.911:17.091:15.52
Shanghai Summer 2012 First round 54 1:37.63 1:51.061:37.63
Italian Open 2012 First round 21 1:11.05 1:11.051:27.46
Legnano Open 2012 First round 18 1:22.05 1:27.44 1:35.861:23.221:29.581:22.051:29.52
Milan Cube Open 2012 First round 18 1:22.81 1:22.811:32.97
Mantua Winter 2011 First round 21 1:36.68 1:37.021:36.68
Milan Blind Day 2011 First round 15 1:41.40 2:29.931:41.40
Mantua Spring 2011 First round 25 2:09.84 2:09.842:23.02
Mediolanum Open 2010 First round 20 1:53.75 1:53.752:19.25
5x5x5 Cube
Turin Winter Open 2019 Final 21 3:11.57 3:11.573:45.95
No Parity Open 2014 Final 8 3:14.66 3:20.913:14.66
Legnano Open 2014 First round 11 3:04.75 4:11.193:04.75
Legnano Open 2013 Final 14 2:57.83 4:05.112:57.83
Big CubingItaly Open 2013 First round 22 3:05.65 3:05.65DNS
Houston Winter 2013 Final 9 3:01.08 3:07.32 3:08.523:07.093:06.363:01.083:40.43
Shanghai Summer 2012 First round 43 3:05.94 3:16.383:05.94
Italian Open 2012 First round 30 3:24.97 3:24.974:08.30
Legnano Open 2012 First round 20 3:20.16 3:20.163:26.22
Milan Cube Open 2012 First round 19 3:20.16 3:20.163:51.91
Mantua Winter 2011 Final 23 3:50.15 4:40.963:50.15
Mantua Spring 2011 First round 17 5:53.81 5:53.816:49.46
6x6x6 Cube
Big CubingItaly Open 2013 First round 16 DNF DNF
Italian Open 2012 Final 19 DNF DNF
7x7x7 Cube
Italian Open 2012 Final 11 DNF DNF
3x3x3 Blindfolded
Milan Saturday Open 2018 First round 10 DNF DNF DNFDNFDNS
Milan Winter Open 2015 First round 6 DNF DNFDNF
PoliMi Italian Open 2014 First round 11 6:18.65 DNF6:18.65
Bugella Open 2014 First round 7 6:15.31 DNF 6:15.316:18.06DNF
No Parity Open 2014 First round 6 6:05.50 DNF 6:05.50DNFDNF
Legnano Open 2014 Final 4 DNF DNF DNFDNFDNS
First round 7 5:43.88 DNF 5:43.88DNFDNF
Milan Winter Open 2014 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 round 17 DNF DNF DNFDNFDNF
Houston Winter 2013 Final 6 6:36.50 DNF DNF6:36.50DNF
Italian Open 2012 First round 15 5:39.15 DNF DNF5:39.15DNF
Legnano Open 2012 First round 10 6:33.22 DNF 6:33.22DNFDNF
Milan Cube Open 2012 First round 13 DNF DNF DNFDNFDNF
Mantua Winter 2011 Final 4 DNF DNFDNF
Milan Blind Day 2011 First round 13 5:39.56 DNF DNF5:39.56DNF
Mantua Spring 2011 Final 5 8:47.61 DNF 9:37.418:47.61DNF
First round 4 6:48.53 DNF6:48.53
Mediolanum Open 2010 First round 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 First round 34 1:09.65 1:09.651:29.04
Milan Winter Open 2015 First round 16 53.09 53.09DNF
PoliMi Italian Open 2014 First round 23 44.33 55.1844.33
Bugella Open 2014 Second round 14 46.34 57.51 1:02.4346.341:03.132:44.9046.96
First round 14 49.84 58.74 1:25.1349.8453.8451.281:11.09
Legnano Open 2014 First round 12 51.61 55.7251.61
Milan Winter Open 2014 First round 15 49.15 49.151:03.33
Legnano Open 2013 First round 21 58.53 58.531:30.46
Milan Blind Day 2013 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
First round 7 30.58 40.47 33.4047.1345.3042.7130.58
Shanghai Summer 2012 First round 45 37.77 37.7746.68
Italian Open 2012 First round 22 35.05 48.70 54.2239.4635.0552.4154.25
Legnano Open 2012 First round 16 29.80 41.46 41.6529.801:06.5845.4737.27
Mantua Winter 2011 Final 17 40.90 47.5240.90
Mantua Spring 2011 First round 17 45.41 52.72 51.3455.8145.4151.001:05.36
Mediolanum Open 2010 Final 17 1:36.41 1:36.41DNF
Megaminx
Milan Winter Open 2014 Final 8 3:38.28 4:01.883:38.28
Milan Cube Open 2012 Final 4 3:48.90 3:48.904:07.77
Milan Blind Day 2011 Final 8 5:02.65 5:02.656:35.38
Mantua Spring 2011 Final 14 6:06.63 6:21.226:06.63
Pyraminx
Turin Cube Day 2017 First round 20 9.41 15.51 22.0711.239.4113.2323.17
Milan Winter Open 2015 Final 6 10.03 13.56 13.7213.0213.9414.0010.03
Bugella Open 2014 First round 10 7.50 12.92 13.5811.407.5023.1313.77
Milan Winter Open 2014 First round 21 19.50 19.5041.28
Legnano Open 2013 Final 15 9.61 18.01 18.219.6132.8115.1320.68
Shanghai Summer 2012 First round 22 9.15 15.43 16.1115.949.1514.3016.06
Italian Open 2012 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 Final 20 15.56 16.2715.56
Skewb
Turin Winter Open 2019 First round 18 12.75 35.31 12.7537.0535.5133.3838.29
Milan Winter Open 2015 Final 7 18.00 22.90 42.7722.9618.0019.1326.61
Bugella Open 2014 First round 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 First round 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 round 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 round 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