World Cube Association
Official Results
Official Results
Letian Mattia Chang
| Details | |||
| Country | WCA Id | Date of birth | Gender |
|---|---|---|---|
| Italy | 2010CHAN14 | Male | |
| Current Personal Records | |||||||||
| Event | NR | CR | WR | Single | Average | WR | CR | NR | |
|---|---|---|---|---|---|---|---|---|---|
| Rubik's Cube | 18 | 196 | 549 | 10.06 | 13.93 | 1223 | 410 | 34 | |
| 4x4 Cube | 64 | 754 | 2311 | 1:11.05 | 1:19.26 | 2129 | 695 | 61 | |
| 5x5 Cube | 66 | 927 | 2582 | 3:01.08 | 3:07.32 | 2120 | 717 | 52 | |
| 2x2 Cube | 38 | 471 | 1142 | 3.18 | 5.10 | 1037 | 408 | 35 | |
| 3x3 blindfolded | 44 | 471 | 1369 | 5:39.15 | |||||
| 3x3 one-handed | 49 | 691 | 2389 | 29.80 | 40.47 | 2934 | 842 | 55 | |
| 3x3 fewest moves | 28 | 400 | 710 | 44 | |||||
| Megaminx | 54 | 662 | 1599 | 3:48.90 | |||||
| Pyraminx | 40 | 753 | 1779 | 9.15 | 15.43 | 2240 | 913 | 50 | |
| 3x3 multi blind | 23 | 250 | 501 | 1/2 11:58 | |||||
| History (Map) | |||||||
| Rubik's Cube | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
|---|---|---|---|---|---|---|---|
| Houston Winter 2013 | Final | 4 | 13.25 | 15.41 | 16.08 13.78 13.25 16.38 16.80 | ||
| Second | 5 | 12.75 | 15.78 | 15.81 16.27 12.75 16.15 15.38 | |||
| First | 4 | 13.03 | 14.43 | 13.77 13.03 14.33 15.18 17.15 | |||
| Shanghai Summer 2012 | Combined First | 64 | 17.85 | 21.28 17.85 | |||
| Italian Open 2012 | Final | 14 | 13.16 | 16.98 | 17.90 19.18 13.86 20.00 13.16 | ||
| Second | 12 | 13.66 | 14.75 | 14.58 15.31 14.36 13.66 16.30 | |||
| First | 13 | 10.06 | 14.06 | 16.41 12.78 10.06 15.68 13.71 | |||
| Legnano Open 2012 | Second | 14 | 13.75 | 15.87 | 13.75 17.90 26.77 15.56 14.16 | ||
| First | 8 | 13.59 | 15.24 | 14.15 15.81 13.59 16.46 15.75 | |||
| Milan Cube Open 2012 | Second | 15 | 13.22 | 16.74 | 13.22 20.68 14.05 DNF 15.50 | ||
| First | 9 | 12.58 | 13.93 | 13.81 13.19 14.78 17.03 12.58 | |||
| Mantua Winter 2011 | Second | 12 | 13.58 | 15.24 | 15.53 14.25 15.94 13.58 22.63 | ||
| First | 16 | 12.84 | 16.69 | 15.59 17.36 19.22 12.84 17.13 | |||
| Milan Blind Day 2011 | Second | 16 | 14.31 | 18.49 | 19.41 21.90 14.31 18.88 17.18 | ||
| First | 15 | 15.88 | 17.60 | 17.97 15.88 24.53 18.06 16.76 | |||
| Mantua Spring 2011 | Second | 21 | 19.18 | 23.32 | 20.18 DNF 21.19 19.18 28.58 | ||
| First | 17 | 15.97 | 19.98 | 15.97 19.41 22.13 19.03 21.50 | |||
| Mediolanum Open 2010 | First | 22 | 25.27 | 26.97 | 27.72 28.36 25.44 25.27 27.75 | ||
| 4x4 Cube | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Houston Winter 2013 | Combined Final | 3 | 1:15.52 | 1:19.26 | 1:28.94 1:21.77 1:18.91 1:17.09 1:15.52 | ||
| Shanghai Summer 2012 | Combined First | 54 | 1:37.63 | 1:51.06 1:37.63 | |||
| Italian Open 2012 | Combined First | 21 | 1:11.05 | 1:11.05 1:27.46 | |||
| Legnano Open 2012 | Combined First | 18 | 1:22.05 | 1:27.44 | 1:35.86 1:23.22 1:29.58 1:22.05 1:29.52 | ||
| Milan Cube Open 2012 | Combined First | 18 | 1:22.81 | 1:22.81 1:32.97 | |||
| Mantua Winter 2011 | Combined First | 21 | 1:36.68 | 1:37.02 1:36.68 | |||
| Milan Blind Day 2011 | Combined First | 15 | 1:41.40 | 2:29.93 1:41.40 | |||
| Mantua Spring 2011 | Combined First | 25 | 2:09.84 | 2:09.84 2:23.02 | |||
| Mediolanum Open 2010 | Combined First | 20 | 1:53.75 | 1:53.75 2:19.25 | |||
| 5x5 Cube | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Houston Winter 2013 | Combined Final | 9 | 3:01.08 | 3:07.32 | 3:08.52 3:07.09 3:06.36 3:01.08 3:40.43 | ||
| Shanghai Summer 2012 | Combined First | 43 | 3:05.94 | 3:16.38 3:05.94 | |||
| Italian Open 2012 | Combined First | 30 | 3:24.97 | 3:24.97 4:08.30 | |||
| Legnano Open 2012 | Combined First | 20 | 3:20.16 | 3:20.16 3:26.22 | |||
| Milan Cube Open 2012 | Combined First | 19 | 3:20.16 | 3:20.16 3:51.91 | |||
| Mantua Winter 2011 | Combined Final | 23 | 3:50.15 | 4:40.96 3:50.15 | |||
| Mantua Spring 2011 | Combined First | 17 | 5:53.81 | 5:53.81 6:49.46 | |||
| 2x2 Cube | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Houston Winter 2013 | Final | 3 | 4.81 | 5.10 | 4.93 4.81 4.96 5.40 6.93 | ||
| First | 4 | 4.65 | 5.42 | 5.65 4.65 7.03 5.08 5.52 | |||
| Shanghai Summer 2012 | Combined First | 34 | 3.96 | 6.08 | 3.96 6.80 5.43 6.40 6.40 | ||
| Italian Open 2012 | First | 17 | 5.58 | 6.13 | 6.88 6.08 5.65 6.66 5.58 | ||
| Legnano Open 2012 | Second | 10 | 3.68 | 5.74 | 5.34 6.72 6.91 3.68 5.15 | ||
| First | 17 | 5.31 | 7.57 | 5.31 7.36 8.68 11.47 6.66 | |||
| Milan Cube Open 2012 | First | 10 | 3.18 | 5.36 | 7.36 3.25 3.18 5.46 7.52 | ||
| Mantua Winter 2011 | First | 16 | 6.30 | 6.66 | 7.27 6.58 6.30 6.31 7.09 | ||
| Mantua Spring 2011 | Second | 19 | 5.97 | 8.78 | DNF 9.00 7.31 10.03 5.97 | ||
| First | 20 | 5.02 | 8.69 | 9.38 8.65 DNF 8.05 5.02 | |||
| Mediolanum Open 2010 | First | 15 | 5.22 | 7.53 | DNF 5.25 10.36 6.97 5.22 | ||
| Rubik's Cube: Blindfolded | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Houston Winter 2013 | Final | 6 | 6:36.50 | DNF 6:36.50 DNF | |||
| Italian Open 2012 | Combined First | 15 | 5:39.15 | DNF 5:39.15 DNF | |||
| Legnano Open 2012 | First | 10 | 6:33.22 | 6:33.22 DNF DNF | |||
| Milan Cube Open 2012 | First | 13 | DNF | DNF DNF DNF | |||
| Mantua Winter 2011 | Final | 4 | DNF | DNF DNF | |||
| Milan Blind Day 2011 | First | 13 | 5:39.56 | DNF 5:39.56 DNF | |||
| Mantua Spring 2011 | Final | 5 | 8:47.61 | 9:37.41 8:47.61 DNF | |||
| Combined First | 4 | 6:48.53 | DNF 6:48.53 | ||||
| Mediolanum Open 2010 | First | 6 | DNF | DNF DNF DNF | |||
| Rubik's Cube: One-handed | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Houston Winter 2013 | Final | 8 | 39.68 | 58.33 | 1:48.83 1:04.61 39.68 42.46 1:07.91 | ||
| Combined First | 7 | 30.58 | 40.47 | 33.40 47.13 45.30 42.71 30.58 | |||
| Shanghai Summer 2012 | Combined First | 45 | 37.77 | 37.77 46.68 | |||
| Italian Open 2012 | Combined First | 22 | 35.05 | 48.70 | 54.22 39.46 35.05 52.41 54.25 | ||
| Legnano Open 2012 | Combined First | 16 | 29.80 | 41.46 | 41.65 29.80 1:06.58 45.47 37.27 | ||
| Mantua Winter 2011 | Combined Final | 17 | 40.90 | 47.52 40.90 | |||
| Mantua Spring 2011 | Combined First | 17 | 45.41 | 52.72 | 51.34 55.81 45.41 51.00 1:05.36 | ||
| Mediolanum Open 2010 | Combined Final | 17 | 1:36.41 | 1:36.41 DNF | |||
| Rubik's Cube: Fewest moves | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Italian Open 2012 | Final | 12 | DNF | DNF | |||
| Milan Cube Open 2012 | Final | 9 | 52 | 52 | |||
| Mantua Spring 2011 | Final | 3 | 44 | 44 | |||
| Megaminx | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Milan Cube Open 2012 | Combined Final | 4 | 3:48.90 | 3:48.90 4:07.77 | |||
| Milan Blind Day 2011 | Combined Final | 8 | 5:02.65 | 5:02.65 6:35.38 | |||
| Mantua Spring 2011 | Combined Final | 14 | 6:06.63 | 6:21.22 6:06.63 | |||
| Pyraminx | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Shanghai Summer 2012 | Combined First | 22 | 9.15 | 15.43 | 16.11 15.94 9.15 14.30 16.06 | ||
| Italian Open 2012 | Combined Final | 16 | 11.58 | 16.35 | 11.58 30.65 14.28 15.00 19.77 | ||
| Legnano Open 2012 | Final | 11 | 11.40 | 19.30 | 20.46 11.40 21.47 21.03 16.40 | ||
| Mantua Spring 2011 | Combined Final | 20 | 15.56 | 16.27 15.56 | |||
| 6x6 Cube | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Italian Open 2012 | Combined Final | 19 | DNF | DNF | |||
| 7x7 Cube | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Italian Open 2012 | Combined Final | 11 | DNF | DNF | |||
| Rubik's Cube: Multiple Blindfolded | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Italian Open 2012 | Final | 7 | 1/2 11:58 | DNF 1/2 11:58 | |||
| Milan Cube Open 2012 | Final | 6 | DNF | DNF | |||
| Milan Blind Day 2011 | Final | 7 | DNF | DNF DNS | |||
| Mantua Spring 2011 | Final | 3 | DNF | DNF | |||
| Rubik's Magic | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Shanghai Summer 2012 | First | 27 | 1.58 | 2.85 | 5.22 1.58 1.69 DNF 1.65 | ||
| Italian Open 2012 | Final | 10 | 1.84 | 2.72 | 1.84 2.46 4.59 2.13 3.56 | ||
| Mantua Winter 2011 | Final | 3 | 1.55 | 1.68 | 2.13 1.55 1.75 1.58 1.71 | ||
| Mantua Spring 2011 | Final | 9 | 1.44 | 1.97 | 1.56 1.52 2.83 1.44 3.63 | ||
| Mediolanum Open 2010 | Final | 12 | 2.83 | 3.86 | 3.46 4.06 4.06 2.83 DNF | ||
| Master Magic | |||||||
| Competition | Round | Place | Best | Average | Result Details | ||
| Shanghai Summer 2012 | First | 17 | 4.33 | 5.05 | 5.28 4.78 5.25 4.33 5.11 | ||
| Mantua Spring 2011 | Final | 3 | 4.06 | 4.18 | 4.11 4.11 4.06 4.31 7.47 | ||