Personal Page

Yu-Chia Chang (張祐嘉)

Name: Yu-Chia Chang (張祐嘉)
Region: Chinese Taipei
Competitions: 10
WCA ID: Yu-Chia Chang (張祐嘉)2019CHAN59
Gender: Male
Career: 2019.09.15 - 2025.11.30
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube3362318586.387.601080399201124/125
2x2x2 Cube113197281472.012.7428877533555/55
4x4x4 Cube65650191529.5835.6223798368041/42
5x5x5 Cube155141540661:09.461:20.204783166316910/10
3x3x3 Fewest Moves9515195596401/1
3x3x3 One-Handed711556442314.2319.346181234811530/30
Clock84149563889.4312.507666179910111/15
Pyraminx1814175154324.956.559417276513120/20
Skewb4228798360499.6020.7551802123075615/5
Square-136456205011.4413.2212472732420/20

Sum of Ranks

 Sum of NRNRSum of CRCRSum of WRWR
Single2320964252413051662396455
Average1942873674213401376836295

Overall Medal Collection

GoldSilverBronze
1
3x3x3 Cube
CompetitionRoundPlaceBestAverageDetail
Taoyuan Airport Cube Day 2025Final3 6.49 7.72
7.27      8.24      7.64      6.49      10.09
Second round3 7.10 7.60
9.52      7.49      7.10      8.06      7.24
First round12 6.38 8.45
9.70      8.54      7.12      6.38      10.50
Shin Kong Open - Taichung 2025Final5 7.15 7.98
9.52      8.64      7.59      7.15      7.70
Second round4 7.23 7.84
7.49      8.53      8.13      7.23      7.90
First round4 7.12 8.13
9.07      8.82      7.60      7.12      7.98
Hsinchu Summer Open 2025Final8 7.69 8.95
DNF       10.09     8.02      7.69      8.73
Second round10 6.82 8.79
6.82      8.56      9.15      9.68      8.67
First round12 6.77 8.74
7.93      6.77      11.12     11.79     7.18
BQHS Spring Open 2025Second round29 8.01 9.83
9.65      8.01      11.04     9.49      10.34
First round14 6.79 8.95
7.91      8.17      10.78     14.82     6.79
Taiwan Championship 2024Final9 8.59 9.19
9.30      9.63      9.20      9.08      8.59
Semi Final10 7.28 8.26
9.40      9.33      7.68      7.78      7.28
Second round25 7.90 9.43
10.57     9.19      8.53      11.20     7.90
First round6 7.45 7.84
8.06      8.82      7.45      7.76      7.69
Shin Kong Open - Taichung 2024Final6 6.40 8.71
6.40      10.06     7.70      9.03      9.39
Second round7 7.78 8.62
7.98      10.34     7.78      8.93      8.96
First round8 8.09 9.04
8.25      9.67      9.31      8.09      9.56
Hsinchu Summer Open 2024Second round19 8.24 9.30
8.24      9.99      8.81      14.19     9.11
First round10 7.62 8.60
7.62      8.75      10.82     9.34      7.72
Taipei Summer Open 2024Second round46 8.65 11.01
13.38     9.88      13.42     9.78      8.65
First round15 8.37 9.14
9.55      8.43      10.16     9.44      8.37
Taichung Open 2024Second round15 7.35 9.48
9.18      9.99      9.28      7.35      10.58
First round15 8.17 9.96
8.78      10.70     10.78     10.40     8.17
Dream One Cube Open 2019First round83 17.91 19.99
19.62     17.91     19.39     20.96     21.43
 
2x2x2 Cube
CompetitionRoundPlaceBestAverageDetail
Taoyuan Airport Cube Day 2025Second round23 3.27 3.77
3.27      3.27      4.01      7.42      4.04
First round16 2.44 3.31
2.44      3.06      2.64      6.56      4.22
Hsinchu Summer Open 2025First round16 2.33 3.42
3.28      3.07      3.91      3.90      2.33
BQHS Spring Open 2025Final14 2.06 3.35
3.48      3.25      5.32      3.33      2.06
First round8 2.16 2.74
3.28      3.44      2.73      2.16      2.22
Taiwan Championship 2024First round98 3.25 5.78
6.38      9.65      4.10      3.25      6.86
Hsinchu Summer Open 2024First round23 2.01 3.98
4.97      5.70      3.40      3.57      2.01
Taipei Summer Open 2024Second round30 3.07 4.08
3.56      3.91      4.76      3.07      6.66
First round6 2.33 3.02
2.33      3.47      2.34      4.06      3.25
Taichung Open 2024First round25 2.35 4.08
3.40      3.43      2.35      5.42      6.74
Dream One Cube Open 2019First round59 6.80 7.17
6.80      7.35      6.93      7.24      7.66
 
4x4x4 Cube
CompetitionRoundPlaceBestAverageDetail
Taoyuan Airport Cube Day 2025Second round20 29.58 35.62
35.11     38.20     29.58     39.48     33.56
First round23 32.73 35.80
37.03     35.86     35.73     32.73     35.81
Hsinchu Summer Open 2025First round32 32.27 39.93
32.27     43.71     37.92     49.32     38.15
BQHS Spring Open 2025First round28 35.50 38.74
39.62     36.90     35.50     41.79     39.69
Taiwan Championship 2024First round87 42.55 45.74
48.56     52.98     44.76     42.55     43.90
Hsinchu Summer Open 2024First round54 37.04 51.00
56.33     DNF       42.92     37.04     53.75
Taipei Summer Open 2024First round62 43.37 45.40
45.65     45.25     43.37     45.31     59.91
Taichung Open 2024First round45 34.43 46.02
34.43     49.49     50.80     39.64     48.92
Dream One Cube Open 2019First round73 1:53.49 
1:59.71   1:53.49
 
5x5x5 Cube
CompetitionRoundPlaceBestAverageDetail
Taoyuan Airport Cube Day 2025Second round55 1:09.46 1:24.06
1:30.09   1:20.00   1:22.08   1:09.46   1:31.92
First round55 1:11.32 1:20.20
1:17.94   1:24.12   1:11.32   1:18.54   1:25.26
 
3x3x3 Fewest Moves
CompetitionRoundPlaceBestAverageDetail
Taiwan Championship 2024Final14 40 
40
 
3x3x3 One-Handed
CompetitionRoundPlaceBestAverageDetail
Hsinchu Summer Open 2025First round22 14.23 19.34
18.73     14.23     18.50     25.80     20.79
BQHS Spring Open 2025First round37 20.65 22.36
20.87     20.65     26.13     22.55     23.66
Taiwan Championship 2024First round61 21.81 24.16
25.73     24.70     21.81     24.02     23.77
Hsinchu Summer Open 2024First round32 19.47 22.94
19.47     25.99     24.87     23.46     20.50
Taipei Summer Open 2024First round37 16.13 20.00
24.22     21.26     17.57     21.17     16.13
Taichung Open 2024Final37 19.92 23.53
19.92     22.33     32.47     20.87     27.40
 
Clock
CompetitionRoundPlaceBestAverageDetail
Taiwan Championship 2024First round73 9.43 DNF
10.24     9.58      DNF       DNF       9.43
Taipei Summer Open 2024First round47 12.97 18.28
DNF       12.97     14.55     17.79     22.51
Taichung Open 2024First round24 11.31 12.50
11.31     11.95     12.30     DNF       13.24
 
Pyraminx
CompetitionRoundPlaceBestAverageDetail
Taiwan Championship 2024First round33 4.95 7.23
8.15      4.95      6.00      8.19      7.55
Taipei Summer Open 2024Second round36 6.63 7.15
13.61     7.49      7.15      6.63      6.81
First round32 5.75 6.55
6.96      6.37      6.31      8.48      5.75
Taichung Open 2024First round38 6.67 10.63
9.24      12.48     12.12     6.67      10.53
 
Skewb
CompetitionRoundPlaceBestAverageDetail
Taipei Summer Open 2024First round83 9.60 20.75
9.60      38.50     12.29     34.93     15.04
 
Square-1
CompetitionRoundPlaceBestAverageDetail
Taoyuan Airport Cube Day 2025Final9 11.52 16.39
20.18     14.82     11.52     14.18     26.62
First round8 11.44 13.22
12.31     14.87     21.45     11.44     12.47
Taiwan Championship 2024First round25 17.96 20.34
17.96     28.83     20.13     19.40     21.49
Taipei Summer Open 2024First round29 22.55 28.08
22.55     32.12     28.57     23.76     31.90
Taoyuan Airport Cube Day 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal3 6.49 7.72
7.27      8.24      7.64      6.49      10.09
Second round3 7.10 7.60
9.52      7.49      7.10      8.06      7.24
First round12 6.38 8.45
9.70      8.54      7.12      6.38      10.50
2x2x2 CubeSecond round23 3.27 3.77
3.27      3.27      4.01      7.42      4.04
First round16 2.44 3.31
2.44      3.06      2.64      6.56      4.22
4x4x4 CubeSecond round20 29.58 35.62
35.11     38.20     29.58     39.48     33.56
First round23 32.73 35.80
37.03     35.86     35.73     32.73     35.81
5x5x5 CubeSecond round55 1:09.46 1:24.06
1:30.09   1:20.00   1:22.08   1:09.46   1:31.92
First round55 1:11.32 1:20.20
1:17.94   1:24.12   1:11.32   1:18.54   1:25.26
Square-1Final9 11.52 16.39
20.18     14.82     11.52     14.18     26.62
First round8 11.44 13.22
12.31     14.87     21.45     11.44     12.47
 
Shin Kong Open - Taichung 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal5 7.15 7.98
9.52      8.64      7.59      7.15      7.70
Second round4 7.23 7.84
7.49      8.53      8.13      7.23      7.90
First round4 7.12 8.13
9.07      8.82      7.60      7.12      7.98
 
Hsinchu Summer Open 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal8 7.69 8.95
DNF       10.09     8.02      7.69      8.73
Second round10 6.82 8.79
6.82      8.56      9.15      9.68      8.67
First round12 6.77 8.74
7.93      6.77      11.12     11.79     7.18
2x2x2 CubeFirst round16 2.33 3.42
3.28      3.07      3.91      3.90      2.33
4x4x4 CubeFirst round32 32.27 39.93
32.27     43.71     37.92     49.32     38.15
3x3x3 One-HandedFirst round22 14.23 19.34
18.73     14.23     18.50     25.80     20.79
 
BQHS Spring Open 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round29 8.01 9.83
9.65      8.01      11.04     9.49      10.34
First round14 6.79 8.95
7.91      8.17      10.78     14.82     6.79
2x2x2 CubeFinal14 2.06 3.35
3.48      3.25      5.32      3.33      2.06
First round8 2.16 2.74
3.28      3.44      2.73      2.16      2.22
4x4x4 CubeFirst round28 35.50 38.74
39.62     36.90     35.50     41.79     39.69
3x3x3 One-HandedFirst round37 20.65 22.36
20.87     20.65     26.13     22.55     23.66
 
Taiwan Championship 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal9 8.59 9.19
9.30      9.63      9.20      9.08      8.59
Semi Final10 7.28 8.26
9.40      9.33      7.68      7.78      7.28
Second round25 7.90 9.43
10.57     9.19      8.53      11.20     7.90
First round6 7.45 7.84
8.06      8.82      7.45      7.76      7.69
2x2x2 CubeFirst round98 3.25 5.78
6.38      9.65      4.10      3.25      6.86
4x4x4 CubeFirst round87 42.55 45.74
48.56     52.98     44.76     42.55     43.90
3x3x3 Fewest MovesFinal14 40 
40
3x3x3 One-HandedFirst round61 21.81 24.16
25.73     24.70     21.81     24.02     23.77
ClockFirst round73 9.43 DNF
10.24     9.58      DNF       DNF       9.43
PyraminxFirst round33 4.95 7.23
8.15      4.95      6.00      8.19      7.55
Square-1First round25 17.96 20.34
17.96     28.83     20.13     19.40     21.49
 
Shin Kong Open - Taichung 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal6 6.40 8.71
6.40      10.06     7.70      9.03      9.39
Second round7 7.78 8.62
7.98      10.34     7.78      8.93      8.96
First round8 8.09 9.04
8.25      9.67      9.31      8.09      9.56
 
Hsinchu Summer Open 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round19 8.24 9.30
8.24      9.99      8.81      14.19     9.11
First round10 7.62 8.60
7.62      8.75      10.82     9.34      7.72
2x2x2 CubeFirst round23 2.01 3.98
4.97      5.70      3.40      3.57      2.01
4x4x4 CubeFirst round54 37.04 51.00
56.33     DNF       42.92     37.04     53.75
3x3x3 One-HandedFirst round32 19.47 22.94
19.47     25.99     24.87     23.46     20.50
 
Taipei Summer Open 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round46 8.65 11.01
13.38     9.88      13.42     9.78      8.65
First round15 8.37 9.14
9.55      8.43      10.16     9.44      8.37
2x2x2 CubeSecond round30 3.07 4.08
3.56      3.91      4.76      3.07      6.66
First round6 2.33 3.02
2.33      3.47      2.34      4.06      3.25
4x4x4 CubeFirst round62 43.37 45.40
45.65     45.25     43.37     45.31     59.91
3x3x3 One-HandedFirst round37 16.13 20.00
24.22     21.26     17.57     21.17     16.13
ClockFirst round47 12.97 18.28
DNF       12.97     14.55     17.79     22.51
PyraminxSecond round36 6.63 7.15
13.61     7.49      7.15      6.63      6.81
First round32 5.75 6.55
6.96      6.37      6.31      8.48      5.75
SkewbFirst round83 9.60 20.75
9.60      38.50     12.29     34.93     15.04
Square-1First round29 22.55 28.08
22.55     32.12     28.57     23.76     31.90
 
Taichung Open 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round15 7.35 9.48
9.18      9.99      9.28      7.35      10.58
First round15 8.17 9.96
8.78      10.70     10.78     10.40     8.17
2x2x2 CubeFirst round25 2.35 4.08
3.40      3.43      2.35      5.42      6.74
4x4x4 CubeFirst round45 34.43 46.02
34.43     49.49     50.80     39.64     48.92
3x3x3 One-HandedFinal37 19.92 23.53
19.92     22.33     32.47     20.87     27.40
ClockFirst round24 11.31 12.50
11.31     11.95     12.30     DNF       13.24
PyraminxFirst round38 6.67 10.63
9.24      12.48     12.12     6.67      10.53
 
Dream One Cube Open 2019
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round83 17.91 19.99
19.62     17.91     19.39     20.96     21.43
2x2x2 CubeFirst round59 6.80 7.17
6.80      7.35      6.93      7.24      7.66
4x4x4 CubeFirst round73 1:53.49 
1:59.71   1:53.49
No.DateNameRegionCity
102025-11-29~30Taoyuan Airport Cube Day 2025Chinese TaipeiTaoyuan
92025-11-22Shin Kong Open - Taichung 2025Chinese TaipeiTaichung
82025-08-17Hsinchu Summer Open 2025Chinese TaipeiHsinchu
72025-04-13BQHS Spring Open 2025Chinese TaipeiNew Taipei City
62024-12-06~08Taiwan Championship 2024Chinese TaipeiNew Taipei City
52024-09-14Shin Kong Open - Taichung 2024Chinese TaipeiTaichung
42024-08-17Hsinchu Summer Open 2024Chinese TaipeiHsinchu
32024-06-29~30Taipei Summer Open 2024Chinese TaipeiTaipei
22024-03-03Taichung Open 2024Chinese TaipeiTaichung
12019-09-15Dream One Cube Open 2019Chinese TaipeiTaichung