Zijian Cai (蔡子健)

WCA ID Region Gender Competitions Gold Silver Bronze
2017CAIZ03  China Male 13 7 5 3

Event NR CR WR Single Average WR CR NR Gold Silver Bronze
 Rubik's Cube

10

39 141 6.00 7.72 111 32

10

3 2 2
 2x2x2 Cube 64 207 870 1.50 2.33 265 70 21 1 1 1
 4x4x4 Cube 206 542 1404 35.75 39.67 1056 395 147
 3x3x3 One-Handed 139 365 1030 13.53 15.49 527 190 67 1
 Megaminx 323 772 2212 1:22.10 1:33.20 2290 807 343
 Pyraminx 127 339 1159 3.02 4.19 595 178 76 1
 Skewb 67 187 642 2.73 4.19 365 121 53 2 1
 Square-1 512 1320 4540 32.65

  Rubik's Cube
Competition Round Place Best Average Result Details
 Dongguan Spring 2019 Final 2 7.29   7.72   7.29 8.08 7.83 7.81 7.51
Second round 1 7.28   8.17   9.00 8.10 7.42 9.16 7.28
First round 2 6.92   8.54   7.36 9.88 6.92 9.64 8.61
 GDSY Open 2019 Final 7 8.96   9.75   9.72 9.29 11.63 10.23 8.96
Second round 6 7.30   8.38   9.08 8.59 10.03 7.46 7.30
First round 12 7.28   10.24   7.28 11.63 11.66 10.69 8.41
 Shenzhen 3x3 Days 2019 Final 2 6.91   8.45   7.73 7.93 6.91 DNF 9.69
Semi Final 1 8.05   8.38   8.05 8.80 8.67 8.28 8.20
Second round 1 6.30   8.05   9.01 7.45 6.30 7.69 12.18
First round 1 7.27   8.23   8.51 8.43 8.39 7.87 7.27
 Jieyang Winter 2019 Final 3 7.63   8.91   9.32 7.63 9.36 8.04 9.47
Second round 4 7.59   9.10   11.97 9.11 9.97 8.22 7.59
First round 1 6.86   8.19   8.10 8.85 8.76 6.86 7.70
 Yangjiang Open 2019 Final 1 7.63   8.99   8.75 9.96 7.63 9.16 9.06
Second round 1 7.19   9.09   7.19 8.99 9.16 9.12 9.18
First round 1 7.53   7.74   7.57 7.53 8.44 7.74 7.90
 Shenzhen Nanshan 2018 Final 4 7.31   9.17   10.26 11.29 7.31 8.83 8.41
Second round 4 8.52   9.35   9.17 9.56 9.32 9.68 8.52
First round 4 8.33   8.88   9.71 8.35 8.75 8.33 9.54
 Dongguan Mid-Autumn 2018 Final 1 7.78   8.78   8.19 7.78 12.57 9.72 8.43
First round 1 6.34   8.93   6.34 9.13 8.82 8.85 DNF
 Zhongshan NxN Speedcubing 2018 Final 1 6.00   8.16   7.64 9.07 6.00 8.38 8.47
Second round 4 8.33   8.83   8.95 9.05 8.33 11.57 8.49
First round 3 7.89   8.90   11.04 7.89 8.96 7.98 9.76
 Nanning Open 2018 Final 3 7.71   8.86   DNF 9.67 9.10 7.81 7.71
Second round 2 8.21   9.35   9.56 9.38 11.27 8.21 9.11
First round 1 7.64   8.83   7.64 9.56 8.62 8.57 9.29
 Shenzhen Open 2018 Final 9 9.17   9.67   9.27 10.81 9.56 10.18 9.17
Semi Final 5 8.24   8.86   8.24 8.75 9.43 8.48 9.36
Second round 5 8.60   9.26   9.24 9.64 9.32 9.21 8.60
First round 4 8.01   8.81   8.01 8.76 8.40 9.28 11.10
 Shenzhen Open 2017 Final 10 10.08   12.17   11.49 14.35 10.08 13.35 11.67
Second round 9 9.44   11.66   12.98 12.58 11.14 11.27 9.44
First round 10 10.36   13.12   10.36 DNF 16.13 11.30 11.92
 China's 10th Anniversary 2017 Semi Final 26 9.41   10.84   11.16 11.23 10.39 10.96 9.41
Second round 76 9.93   12.75   12.01 14.22 13.04 9.93 13.21
Combined First round 41 8.80   11.22   11.30 11.93 14.18 10.43 8.80
 Longyan Summer Open 2017 Final 8 11.50   13.09   14.83 11.50 16.09 12.42 12.01
Second round 6 10.48   11.70   10.65 12.54 11.91 14.89 10.48
First round 10 12.01   13.45   12.75 12.01 13.39 15.41 14.20
  2x2x2 Cube
Competition Round Place Best Average Result Details
 Dongguan Spring 2019 Final 3 2.71   3.32   4.11 2.71 3.22 3.06 3.69
First round 3 2.39   3.53   2.39 3.15 3.37 5.03 4.08
 GDSY Open 2019 Final 5 2.33   2.97   2.45 2.33 3.15 3.31 DNF
Second round 4 1.76   2.55   2.73 2.80 3.06 2.13 1.76
Combined First round 1 1.50   2.55   3.36 1.54 1.50 4.36 2.76
 Jieyang Winter 2019 Final 2 2.04   2.77   4.57 2.91 3.03 2.04 2.37
First round 3 2.54   3.28   3.18 DNF 3.54 2.54 3.13
 Yangjiang Open 2019 Final 1 1.91   2.33   2.00 2.40 1.91 2.83 2.59
First round 1 2.67   3.42   2.69 3.86 3.72 2.67 3.95
 Shenzhen Nanshan 2018 Final 5 2.82   3.39   3.49 3.36 2.82 3.31 DNF
First round 2 2.46   2.75   2.83 2.46 2.65 2.78 2.95
 Dongguan Mid-Autumn 2018 Final 4 2.81   3.47   3.75 3.31 3.34 2.81 7.12
First round 8 2.69   3.97   4.46 3.12 6.70 2.69 4.32
 Zhongshan NxN Speedcubing 2018 Final 9 2.88   3.78   6.53 2.88 3.75 4.28 3.31
First round 8 2.35   3.90   3.89 2.35 4.06 6.83 3.75
 Shenzhen Open 2018 Final 8 2.61   3.61   4.23 3.79 6.61 2.80 2.61
Second round 7 2.48   3.52   2.90 4.50 3.15 2.48 6.46
Combined First round 6 1.79   3.27   1.79 3.61 3.22 2.98 4.34
 Shenzhen Open 2017 First round 18 2.76   4.84   4.89 6.09 4.14 2.76 5.49
 China's 10th Anniversary 2017 Second round 94 3.26   5.98   3.79 7.05 7.09 3.26 10.48
Combined First round 55 3.88   5.00   5.98 3.88 6.48 4.26 4.75
 Longyan Summer Open 2017 Final 10 4.61   5.22   4.71 5.98 4.97 8.08 4.61
Combined First round 5 4.01   4.62   4.01 4.54 8.31 4.42 4.91
  4x4x4 Cube
Competition Round Place Best Average Result Details
 Shenzhen Nanshan 2018 Combined First round 13 42.76   43.63   42.76 42.93 49.00 43.78 44.17
 Dongguan Mid-Autumn 2018 Combined Final 7 39.68   44.66   41.34 45.60 39.68 47.04 53.84
 Zhongshan NxN Speedcubing 2018 Final 9 39.49   40.45   40.79 46.14 40.81 39.49 39.75
Combined First round 11 35.75   39.67   38.09 35.75 53.18 40.09 40.82
 Nanning Open 2018 Final 8 36.87   41.82   42.10 1:08.49 41.30 42.05 36.87
Combined First round 8 37.92   44.88   49.09 44.97 40.58 37.92 49.51
 Shenzhen Open 2018 Combined First round 31 39.73   45.77   43.25 39.73 45.74 48.31 48.62
 China's 10th Anniversary 2017 Combined First round 51 48.32   49.45   49.56 49.11 51.66 49.69 48.32
 Longyan Summer Open 2017 Combined Final 11 46.70   54.90   46.70 52.18 59.52 58.60 53.92
  3x3x3 One-Handed
Competition Round Place Best Average Result Details
 GDSY Open 2019 Final 11 15.94   17.64   15.94 17.43 19.41 18.24 17.25
Combined First round 13 13.57   17.34   17.58 17.97 DNF 13.57 16.47
 Shenzhen 3x3 Days 2019 Final 6 14.19   16.10   17.98 14.19 DNF 15.26 15.07
Second round 5 14.39   15.49   17.05 15.27 15.28 15.93 14.39
Combined First round 11 15.01   17.42   15.01 17.92 18.18 19.87 16.17
 Jieyang Winter 2019 Final 5 15.06   16.43   16.88 17.30 15.60 16.81 15.06
Combined First round 4 13.53   15.59   13.53 15.35 19.78 13.55 17.88
 Yangjiang Open 2019 Final 2 14.76   17.97   14.76 17.89 17.06 19.41 18.97
First round 2 14.29   18.53   17.67 20.81 14.29 19.28 18.63
 Shenzhen Nanshan 2018 Final 7 14.99   18.27   18.51 18.34 17.97 14.99 20.36
Combined First round 3 14.43   16.97   18.67 14.43 22.07 14.73 17.52
 Zhongshan NxN Speedcubing 2018 Combined First round 13 17.43   19.64   21.13 17.43 20.05 18.21 20.65
 Nanning Open 2018 Combined First round 24 16.99   22.62   16.99 20.76 25.14 22.00 25.11
 Shenzhen Open 2018 Combined First round 19 19.79   20.41   20.39 25.81 21.00 19.84 19.79
 Longyan Summer Open 2017 First round 25 24.44   28.40   26.34 33.14 32.15 26.70 24.44
  Megaminx
Competition Round Place Best Average Result Details
 Shenzhen Open 2018 Combined First round 26 1:22.10   1:33.20   1:40.27 1:23.71 1:35.61 1:47.38 1:22.10
 China's 10th Anniversary 2017 Combined First round 22 1:30.27   1:44.84   1:50.56 1:34.94 1:49.03 1:30.27 1:57.23
 Longyan Summer Open 2017 Combined Final 9 1:29.40   1:44.74   1:49.44 1:57.18 1:39.89 1:29.40 1:44.90
  Pyraminx
Competition Round Place Best Average Result Details
 GDSY Open 2019 Final 8 3.74   5.04   5.08 3.74 5.73 4.99 5.05
Combined First round 3 3.22   4.19   4.05 6.04 4.21 4.31 3.22
 Yangjiang Open 2019 Final 1 3.49   4.82   4.19 6.27 5.06 3.49 5.21
First round 1 3.02   4.27   3.02 8.96 3.17 4.86 4.78
 Shenzhen Nanshan 2018 Final 7 5.97   6.91   8.24 5.97 6.41 6.07 8.33
First round 8 4.75   5.82   4.75 6.34 5.32 5.80 7.17
 China's 10th Anniversary 2017 Second round 29 4.43   7.46   11.46 7.80 4.43 6.19 8.38
Combined First round 30 5.99   7.66   8.68 7.24 5.99 8.92 7.07
 Longyan Summer Open 2017 Final 11 5.58   7.78   5.58 7.19 9.65 7.54 8.61
Combined First round 7 6.62   7.51   7.54 6.62 9.23 7.64 7.34
  Skewb
Competition Round Place Best Average Result Details
 Dongguan Spring 2019 Final 1 2.73   4.30   6.17 2.73 4.39 3.98 4.54
First round 2 3.90   5.46   7.26 4.99 4.14 3.90 9.30
 Jieyang Winter 2019 Final 1 3.24   4.19   4.60 5.85 4.04 3.24 3.92
Combined First round 1 3.34   4.54   4.12 5.08 3.34 4.41 6.27
 Dongguan Mid-Autumn 2018 Final 2 4.00   4.90   5.64 4.00 5.52 4.14 5.04
 Nanning Open 2018 Combined Final 5 3.89   5.95   6.90 5.67 5.29 8.12 3.89
 Shenzhen Open 2018 First round 20 4.63   6.48   5.94 8.32 7.14 6.37 4.63
 Shenzhen Open 2017 Combined Final 19 4.25   8.71   7.08 7.85 12.89 11.20 4.25
 China's 10th Anniversary 2017 Final 13 6.28   6.54   6.84 6.40 8.49 6.28 6.37
Combined First round 12 6.13   6.59   6.42 6.78 6.13 7.58 6.58
 Longyan Summer Open 2017 Combined First round 19 6.28   11.61   11.47 6.28 12.23 14.86 11.14
  Square-1
Competition Round Place Best Average Result Details
 China's 10th Anniversary 2017 Combined First round 30 32.65     45.74 32.65
  Dongguan Spring 2019   (2019-4-21)
Dongguan Spring 2019
Event Round Place Best Average Result Details
 Rubik's Cube Final 2 7.29   7.72   7.29 8.08 7.83 7.81 7.51
Second round 1 7.28   8.17   9.00 8.10 7.42 9.16 7.28
First round 2 6.92   8.54   7.36 9.88 6.92 9.64 8.61
 2x2x2 Cube Final 3 2.71   3.32   4.11 2.71 3.22 3.06 3.69
First round 3 2.39   3.53   2.39 3.15 3.37 5.03 4.08
 Skewb Final 1 2.73   4.30   6.17 2.73 4.39 3.98 4.54
First round 2 3.90   5.46   7.26 4.99 4.14 3.90 9.30
  GDSY Open 2019   (2019-3-23~24)
GDSY Open 2019
Event Round Place Best Average Result Details
 Rubik's Cube Final 7 8.96   9.75   9.72 9.29 11.63 10.23 8.96
Second round 6 7.30   8.38   9.08 8.59 10.03 7.46 7.30
First round 12 7.28   10.24   7.28 11.63 11.66 10.69 8.41
 2x2x2 Cube Final 5 2.33   2.97   2.45 2.33 3.15 3.31 DNF
Second round 4 1.76   2.55   2.73 2.80 3.06 2.13 1.76
Combined First round 1 1.50   2.55   3.36 1.54 1.50 4.36 2.76
 3x3x3 One-Handed Final 11 15.94   17.64   15.94 17.43 19.41 18.24 17.25
Combined First round 13 13.57   17.34   17.58 17.97 DNF 13.57 16.47
 Pyraminx Final 8 3.74   5.04   5.08 3.74 5.73 4.99 5.05
Combined First round 3 3.22   4.19   4.05 6.04 4.21 4.31 3.22
  Shenzhen 3x3 Days 2019   (2019-3-2~3)
Shenzhen 3x3 Days 2019
Event Round Place Best Average Result Details
 Rubik's Cube Final 2 6.91   8.45   7.73 7.93 6.91 DNF 9.69
Semi Final 1 8.05   8.38   8.05 8.80 8.67 8.28 8.20
Second round 1 6.30   8.05   9.01 7.45 6.30 7.69 12.18
First round 1 7.27   8.23   8.51 8.43 8.39 7.87 7.27
 3x3x3 One-Handed Final 6 14.19   16.10   17.98 14.19 DNF 15.26 15.07
Second round 5 14.39   15.49   17.05 15.27 15.28 15.93 14.39
Combined First round 11 15.01   17.42   15.01 17.92 18.18 19.87 16.17
  Jieyang Winter 2019   (2019-1-27)
Jieyang Winter 2019
Event Round Place Best Average Result Details
 Rubik's Cube Final 3 7.63   8.91   9.32 7.63 9.36 8.04 9.47
Second round 4 7.59   9.10   11.97 9.11 9.97 8.22 7.59
First round 1 6.86   8.19   8.10 8.85 8.76 6.86 7.70
 2x2x2 Cube Final 2 2.04   2.77   4.57 2.91 3.03 2.04 2.37
First round 3 2.54   3.28   3.18 DNF 3.54 2.54 3.13
 3x3x3 One-Handed Final 5 15.06   16.43   16.88 17.30 15.60 16.81 15.06
Combined First round 4 13.53   15.59   13.53 15.35 19.78 13.55 17.88
 Skewb Final 1 3.24   4.19   4.60 5.85 4.04 3.24 3.92
Combined First round 1 3.34   4.54   4.12 5.08 3.34 4.41 6.27
  Yangjiang Open 2019   (2019-1-19)
Yangjiang Open 2019
Event Round Place Best Average Result Details
 Rubik's Cube Final 1 7.63   8.99   8.75 9.96 7.63 9.16 9.06
Second round 1 7.19   9.09   7.19 8.99 9.16 9.12 9.18
First round 1 7.53   7.74   7.57 7.53 8.44 7.74 7.90
 2x2x2 Cube Final 1 1.91   2.33   2.00 2.40 1.91 2.83 2.59
First round 1 2.67   3.42   2.69 3.86 3.72 2.67 3.95
 3x3x3 One-Handed Final 2 14.76   17.97   14.76 17.89 17.06 19.41 18.97
First round 2 14.29   18.53   17.67 20.81 14.29 19.28 18.63
 Pyraminx Final 1 3.49   4.82   4.19 6.27 5.06 3.49 5.21
First round 1 3.02   4.27   3.02 8.96 3.17 4.86 4.78
  Shenzhen Nanshan 2018   (2018-11-18)
Shenzhen Nanshan 2018
Event Round Place Best Average Result Details
 Rubik's Cube Final 4 7.31   9.17   10.26 11.29 7.31 8.83 8.41
Second round 4 8.52   9.35   9.17 9.56 9.32 9.68 8.52
First round 4 8.33   8.88   9.71 8.35 8.75 8.33 9.54
 2x2x2 Cube Final 5 2.82   3.39   3.49 3.36 2.82 3.31 DNF
First round 2 2.46   2.75   2.83 2.46 2.65 2.78 2.95
 4x4x4 Cube Combined First round 13 42.76   43.63   42.76 42.93 49.00 43.78 44.17
 3x3x3 One-Handed Final 7 14.99   18.27   18.51 18.34 17.97 14.99 20.36
Combined First round 3 14.43   16.97   18.67 14.43 22.07 14.73 17.52
 Pyraminx Final 7 5.97   6.91   8.24 5.97 6.41 6.07 8.33
First round 8 4.75   5.82   4.75 6.34 5.32 5.80 7.17
  Dongguan Mid-Autumn 2018   (2018-9-22)
Dongguan Mid-Autumn 2018
Event Round Place Best Average Result Details
 Rubik's Cube Final 1 7.78   8.78   8.19 7.78 12.57 9.72 8.43
First round 1 6.34   8.93   6.34 9.13 8.82 8.85 DNF
 2x2x2 Cube Final 4 2.81   3.47   3.75 3.31 3.34 2.81 7.12
First round 8 2.69   3.97   4.46 3.12 6.70 2.69 4.32
 4x4x4 Cube Combined Final 7 39.68   44.66   41.34 45.60 39.68 47.04 53.84
 Skewb Final 2 4.00   4.90   5.64 4.00 5.52 4.14 5.04
  Zhongshan NxN Speedcubing 2018   (2018-9-9)
Zhongshan NxN Speedcubing 2018
Event Round Place Best Average Result Details
 Rubik's Cube Final 1 6.00   8.16   7.64 9.07 6.00 8.38 8.47
Second round 4 8.33   8.83   8.95 9.05 8.33 11.57 8.49
First round 3 7.89   8.90   11.04 7.89 8.96 7.98 9.76
 2x2x2 Cube Final 9 2.88   3.78   6.53 2.88 3.75 4.28 3.31
First round 8 2.35   3.90   3.89 2.35 4.06 6.83 3.75
 4x4x4 Cube Final 9 39.49   40.45   40.79 46.14 40.81 39.49 39.75
Combined First round 11 35.75   39.67   38.09 35.75 53.18 40.09 40.82
 3x3x3 One-Handed Combined First round 13 17.43   19.64   21.13 17.43 20.05 18.21 20.65
  Nanning Open 2018   (2018-7-28)
Nanning Open 2018
Event Round Place Best Average Result Details
 Rubik's Cube Final 3 7.71   8.86   DNF 9.67 9.10 7.81 7.71
Second round 2 8.21   9.35   9.56 9.38 11.27 8.21 9.11
First round 1 7.64   8.83   7.64 9.56 8.62 8.57 9.29
 4x4x4 Cube Final 8 36.87   41.82   42.10 1:08.49 41.30 42.05 36.87
Combined First round 8 37.92   44.88   49.09 44.97 40.58 37.92 49.51
 3x3x3 One-Handed Combined First round 24 16.99   22.62   16.99 20.76 25.14 22.00 25.11
 Skewb Combined Final 5 3.89   5.95   6.90 5.67 5.29 8.12 3.89
  Shenzhen Open 2018   (2018-7-21~22)
Shenzhen Open 2018
Event Round Place Best Average Result Details
 Rubik's Cube Final 9 9.17   9.67   9.27 10.81 9.56 10.18 9.17
Semi Final 5 8.24   8.86   8.24 8.75 9.43 8.48 9.36
Second round 5 8.60   9.26   9.24 9.64 9.32 9.21 8.60
First round 4 8.01   8.81   8.01 8.76 8.40 9.28 11.10
 2x2x2 Cube Final 8 2.61   3.61   4.23 3.79 6.61 2.80 2.61
Second round 7 2.48   3.52   2.90 4.50 3.15 2.48 6.46
Combined First round 6 1.79   3.27   1.79 3.61 3.22 2.98 4.34
 4x4x4 Cube Combined First round 31 39.73   45.77   43.25 39.73 45.74 48.31 48.62
 3x3x3 One-Handed Combined First round 19 19.79   20.41   20.39 25.81 21.00 19.84 19.79
 Megaminx Combined First round 26 1:22.10   1:33.20   1:40.27 1:23.71 1:35.61 1:47.38 1:22.10
 Skewb First round 20 4.63   6.48   5.94 8.32 7.14 6.37 4.63
  Shenzhen Open 2017   (2017-12-3)
Shenzhen Open 2017
Event Round Place Best Average Result Details
 Rubik's Cube Final 10 10.08   12.17   11.49 14.35 10.08 13.35 11.67
Second round 9 9.44   11.66   12.98 12.58 11.14 11.27 9.44
First round 10 10.36   13.12   10.36 DNF 16.13 11.30 11.92
 2x2x2 Cube First round 18 2.76   4.84   4.89 6.09 4.14 2.76 5.49
 Skewb Combined Final 19 4.25   8.71   7.08 7.85 12.89 11.20 4.25
  China's 10th Anniversary 2017   (2017-10-1~2)
China's 10th Anniversary 2017
Event Round Place Best Average Result Details
 Rubik's Cube Semi Final 26 9.41   10.84   11.16 11.23 10.39 10.96 9.41
Second round 76 9.93   12.75   12.01 14.22 13.04 9.93 13.21
Combined First round 41 8.80   11.22   11.30 11.93 14.18 10.43 8.80
 2x2x2 Cube Second round 94 3.26   5.98   3.79 7.05 7.09 3.26 10.48
Combined First round 55 3.88   5.00   5.98 3.88 6.48 4.26 4.75
 4x4x4 Cube Combined First round 51 48.32   49.45   49.56 49.11 51.66 49.69 48.32
 Megaminx Combined First round 22 1:30.27   1:44.84   1:50.56 1:34.94 1:49.03 1:30.27 1:57.23
 Pyraminx Second round 29 4.43   7.46   11.46 7.80 4.43 6.19 8.38
Combined First round 30 5.99   7.66   8.68 7.24 5.99 8.92 7.07
 Skewb Final 13 6.28   6.54   6.84 6.40 8.49 6.28 6.37
Combined First round 12 6.13   6.59   6.42 6.78 6.13 7.58 6.58
 Square-1 Combined First round 30 32.65     45.74 32.65
  Longyan Summer Open 2017   (2017-7-9)
Longyan Summer Open 2017
Event Round Place Best Average Result Details
 Rubik's Cube Final 8 11.50   13.09   14.83 11.50 16.09 12.42 12.01
Second round 6 10.48   11.70   10.65 12.54 11.91 14.89 10.48
First round 10 12.01   13.45   12.75 12.01 13.39 15.41 14.20
 2x2x2 Cube Final 10 4.61   5.22   4.71 5.98 4.97 8.08 4.61
Combined First round 5 4.01   4.62   4.01 4.54 8.31 4.42 4.91
 4x4x4 Cube Combined Final 11 46.70   54.90   46.70 52.18 59.52 58.60 53.92
 3x3x3 One-Handed First round 25 24.44   28.40   26.34 33.14 32.15 26.70 24.44
 Megaminx Combined Final 9 1:29.40   1:44.74   1:49.44 1:57.18 1:39.89 1:29.40 1:44.90
 Pyraminx Final 11 5.58   7.78   5.58 7.19 9.65 7.54 8.61
Combined First round 7 6.62   7.51   7.54 6.62 9.23 7.64 7.34
 Skewb Combined First round 19 6.28   11.61   11.47 6.28 12.23 14.86 11.14