Alexander Yu

 
Details
Country WCA Id Gender Competitions
USA2007YUAL01Male14
 
Current Personal Records
Event NR CR WR Single Average WR CR NR  
Rubik's Cube168211108510.4711.96702149122 
4x4 Cube172220128950.6953.21828137106 
5x5 Cube15719711841:49.192:01.961215195155 
2x2 Cube1141415792.274.871410308243 
3x3 blindfolded585243.461:06.0552108 
3x3 one-handed8310545316.0618.152255643 
Pyraminx28340023508.1213.702978519368 
3x3 multi blind28372303/3 11:03   
 
History of World Records
Event Single Average Competition Round Result Details
3x3 blindfolded1:00.621:06.05Princeton Open 2008Final1:12.08   1:00.62   1:05.46
  1:33.62Kearny Kardinal 2008Final1:47.11   1:26.27   1:27.49
 
History of Continental Records
Event Single Average Competition Round Result Details
3x3 blindfolded51.80 US Nationals 2009Final 
 56.44 Drexel Fall 2008Final 
 57.80 Drexel Fall 2008First 
 
Pyraminx8.12 Pleasantville Fall 2007Final 
 
History (Map)
  
Rubik's Cube
Competition Round Place Best   Average   Result Details
Princeton Winter 2014Second1911.59 13.47 13.77   14.32   14.90   11.59   12.31
 First2110.47 12.52 11.89   15.44   10.47   11.83   13.83
Princeton Spring 2013Final310.47 11.96 10.47   11.52   12.56   11.81   16.09
 Second611.55 12.34 13.02   11.65   13.34   11.55   12.36
 First311.58 12.19 12.38   12.55   13.91   11.58   11.63
Princeton Fall 2011Final411.68 12.24 11.68   15.90   11.68   12.61   12.43
 Second511.19 12.64 12.16   12.19   14.40   11.19   13.56
 First611.30 13.17 13.61   13.19   12.72   11.30   14.53
Princeton Fall 2010Final612.56 13.65 12.96   17.31   13.59   12.56   14.40
 Second511.80 14.43 17.08   13.02   11.80   13.18   17.36
 First311.56 12.26 11.56   11.58   13.25   11.94   13.84
US Nationals 2010Semi Final1910.81 14.39 14.80   10.81   14.09   14.28   15.91
 Second1611.61 13.30 11.61   16.16   14.63   12.11   13.15
 First3013.02 13.75 13.02   14.31   14.44   13.38   13.56
US Nationals 2009Final1112.80 15.36 16.28   16.36   13.81   12.80   16.00
 Second911.78 13.86 14.00   14.75   14.69   12.89   11.78
 First711.06 13.08 14.11   13.53   15.59   11.06   11.59
Safe Haven 2009Second1014.09 16.32 17.00   16.77   16.22   15.96   14.09
 First913.97 16.24 14.94   13.97   16.88   16.91   17.13
Newark Winter 2009Final712.83 15.02 18.18   13.08   12.83   19.63   13.81
 Second711.33 14.87 11.33   14.41   14.83   15.38   16.05
 First413.65 14.98 14.30   15.05   17.72   15.58   13.65
Drexel Fall 2008Final113.55 15.12 13.80   15.94   15.61   16.55   13.55
 Second312.77 15.71 15.88   15.27   17.86   15.97   12.77
 First414.41 15.55 17.08   14.41   15.69   15.33   15.63
Newark Open 2008Final613.08 15.93 14.40   17.84   15.55   13.08   18.11
 Second213.94 14.33 14.99   14.55   13.94   14.47   13.96
 First314.30 15.11 14.31   14.45   14.30   18.06   16.56
Armonk Spring 2008Final214.36 15.38 16.52   16.11   14.36   14.36   15.67
 Second514.90 16.39 15.83   14.90   14.93   18.41   25.52
 First414.64 16.87 16.63   20.05   14.64   16.98   17.00
Princeton Open 2008Final813.96 16.67 14.05   16.41   20.48   13.96   19.55
 First815.28 17.04 17.56   21.14   15.28   18.13   15.44
Kearny Kardinal 2008Final214.18 15.33 15.50   17.06   14.94   14.18   15.56
 Second315.29 16.55 17.09   15.38   18.68   15.29   17.19
 First618.57 21.11 25.12   DNF   18.57   19.51   18.69
Pleasantville Fall 2007Final718.38 20.03 23.22   30.58   18.38   18.39   18.47
 Second416.08 17.85 17.52   18.67   25.02   16.08   17.37
 First215.15 17.03 17.20   16.79   15.15   17.11   19.16
  
4x4 Cube
Competition Round Place Best   Average   Result Details
Princeton Spring 2013Combined Final750.69 53.21 55.36   1:05.91   50.69   50.84   53.43
Princeton Fall 2011Combined Final556.77 1:03.17 1:20.11   1:04.78   1:01.83   56.77   1:02.90
Princeton Fall 2010Combined Final354.80 58.17 1:00.15   58.09   1:14.66   56.28   54.80
US Nationals 2010Second1952.97 59.19 1:12.28   56.36   53.19   1:08.03   52.97
 Combined First1653.66 59.89 1:08.97   1:00.69   1:00.22   53.66   58.75
US Nationals 2009First211:03.08 1:13.03 1:16.81   1:27.43   1:08.38   1:03.08   1:13.91
 Qualification259.58 1:10.20 1:10.68   1:05.78   1:14.13   1:34.72   59.58
Armonk Spring 2008Final21:09.13 1:20.36 1:16.61   1:26.68   1:17.78   1:29.77   1:09.13
 First21:17.25 1:23.37 1:22.83   1:25.81   1:32.40   1:17.25   1:21.47
Princeton Open 2008Combined Final141:43.44   1:43.44
Kearny Kardinal 2008Combined Final41:15.40 1:25.63 1:24.03   1:43.38   1:22.08   1:30.78   1:15.40
Pleasantville Fall 2007Combined Final92:02.37 2:06.84 2:23.72   2:07.00   2:09.40   2:02.37   2:04.11
  
5x5 Cube
Competition Round Place Best   Average   Result Details
US Nationals 2010Second291:55.66 2:03.88 2:04.91   2:04.36   2:03.34   2:03.94   1:55.66
 Combined First281:49.19 2:01.96 1:52.96   1:49.19   2:18.43   2:08.09   2:04.84
US Nationals 2009First262:01.66 2:12.17 2:12.75   2:12.78   2:01.66   2:28.65   2:10.97
 Qualification21:54.55 2:04.86 1:54.55   2:00.41   2:00.52   2:16.11   2:13.66
  
2x2 Cube
Competition Round Place Best   Average   Result Details
Princeton Spring 2013Final85.00 5.71 5.96   5.30   5.88   5.00   DNF
 Second73.75 4.87 5.71   4.97   3.75   9.34   3.93
 Combined First143.78 5.30 6.38   9.06   4.38   3.78   5.13
Princeton Fall 2011Final53.69 4.97 5.90   4.63   5.46   3.69   4.83
 Combined First93.93 5.52 5.50   5.15   5.90   5.97   3.93
Princeton Fall 2010Final63.84 5.41 3.84   4.84   7.59   5.94   5.46
US Nationals 2010Second352.27 5.43 5.93   5.52   5.65   5.11   2.27
 First293.83 5.19 3.83   5.93   5.44   5.52   4.61
US Nationals 2009First234.63 6.95 7.58   4.63   7.13   9.91   6.13
Newark Winter 2009Final34.25 5.85 8.83   4.25   6.36   6.93   4.27
Drexel Fall 2008Final23.00 5.50 9.00   6.94   4.86   4.71   3.00
Newark Open 2008Final35.55 6.24 6.53   9.94   5.55   6.08   6.11
Armonk Spring 2008Final34.80 7.01 6.36   4.80   6.65   8.43   8.03
Princeton Open 2008Final35.35 7.03 5.35   6.57   7.82   7.28   7.24
Kearny Kardinal 2008Final25.86 6.95 8.25   6.04   8.17   6.65   5.86
  
Rubik's Cube: Blindfolded
Competition Round Place Best   Average   Result Details
Princeton Winter 2014Final31:03.41 DNF 1:03.41   DNF   DNF
Princeton Spring 2013Final31:06.81 DNF 1:06.81   1:07.69   DNF
Princeton Fall 2011Final144.88 DNF 1:27.90   DNF   44.88
Princeton Fall 2010Final147.36 DNF DNF   DNF   47.36
US Nationals 2010Final154.96 DNF DNF   1:23.27   54.96
 First143.46NRDNF 44.56   43.46   DNF
US Nationals 2009Final151.80NARDNF 51.80   DNF   DNF
 First158.53 DNF DNF   DNF   58.53
Safe Haven 2009Combined Final11:02.56 DNF 1:05.09   1:02.56   DNF
Newark Winter 2009Final11:01.68 DNF 1:01.68   DNF   DNF
Drexel Fall 2008Final156.44NARDNF DNF   DNF   56.44
 First157.80NAR1:06.29 1:21.68   57.80   59.38
Newark Open 2008Final11:01.34 DNF DNF   1:01.34   DNF
Armonk Spring 2008Final11:05.90 DNF 1:05.90   1:14.84   DNF
Princeton Open 2008Final11:00.62WR1:06.05WR1:12.08   1:00.62   1:05.46
Kearny Kardinal 2008Final11:26.27 1:33.62WR1:47.11   1:26.27   1:27.49
Pleasantville Fall 2007Final32:56.65 DNF DNF   2:56.65   DNF
  
Rubik's Cube: One-handed
Competition Round Place Best   Average   Result Details
Princeton Winter 2014Combined Final517.27 18.15 17.79   18.96   19.31   17.27   17.71
Princeton Spring 2013Final620.34 21.90 23.25   DNF   21.78   20.34   20.66
 Second517.86 20.26 22.25   19.68   24.68   18.84   17.86
 Combined First720.06 21.09 20.33   22.27   20.66   20.06   22.33
Princeton Fall 2011Final618.72 22.30 26.31   22.41   18.72   23.88   20.61
 Combined First318.05 21.01 18.05   21.22   20.47   21.33   33.84
Princeton Fall 2010Final116.06 19.08 16.06   18.15   26.21   19.25   19.84
 First317.47 21.09 20.08   19.65   23.55   24.81   17.47
US Nationals 2010Final616.46 21.42 24.46   21.94   21.22   21.11   16.46
 Second1118.25 22.77 22.11   21.61   18.25   24.59   25.52
 First1721.90 24.54 23.96   25.69   24.77   21.90   24.88
US Nationals 2009Final219.86 20.97 21.02   21.22   20.68   26.59   19.86
 First721.13 23.19 21.21   21.90   26.97   21.13   26.47
Safe Haven 2009Combined Final120.93 22.57 30.96   21.21   22.81   23.69   20.93
Newark Winter 2009Combined Final420.21 27.29 27.86   28.50   29.80   20.21   25.52
Drexel Fall 2008Final226.61 31.87 28.30   26.61   38.52   33.00   34.31
Newark Open 2008Combined Final223.59 26.16 25.03   30.71   26.30   23.59   27.15
Armonk Spring 2008Final225.62 34.08 29.22   25.62   33.76   39.26   54.96
 First126.66 30.26 29.26   26.66   29.78   36.78   31.75
Princeton Open 2008Combined Final725.31 30.17 33.85   26.93   33.21   25.31   30.38
Kearny Kardinal 2008Final123.25 28.48 31.47   23.25   28.59   25.38   32.92
Pleasantville Fall 2007Final738.09 41.65 41.15   45.10   38.09   56.83   38.69
  
Rubik's Cube: Fewest moves
Competition Round Place Best   Average   Result Details
US Nationals 2010Final55DNF   DNF   DNS
  
Pyraminx
Competition Round Place Best   Average   Result Details
Pleasantville Fall 2007Final28.12NAR13.70 12.90   22.09   18.39   8.12   9.80
  
4x4 Cube: Blindfolded
Competition Round Place Best   Average   Result Details
Armonk Spring 2008Final1DNF   DNF
Princeton Open 2008Final1DNF   DNF   DNF
Kearny Kardinal 2008Final2DNF   DNF
  
Rubik's Cube: Multiple Blindfolded
Competition Round Place Best   Average   Result Details
US Nationals 2010Final62/2 2:38   DNF   2/2 2:38
US Nationals 2009Final42/2 4:05   2/2 4:05   DNF
Princeton Open 2008Final13/3 11:03   3/3 11:03
  
Rubik's Magic
Competition Round Place Best   Average   Result Details
Princeton Open 2008Final211.94 3.81 1.94   3.50   4.31   3.61   DNF
  
Rubik's Cube: Multi blind old style
Competition Round Place Best   Average   Result Details
Princeton Open 2008Final13/3 11:03   3/3 11:03