Personal Page

Kai-Hsing Chang (鄭愷行)

Name: Kai-Hsing Chang (鄭愷行)
Region: Chinese Taipei
Competitions: 5
WCA ID: Kai-Hsing Chang (鄭愷行)2024CHAN89
Gender: Male
Career: 2024.09.28 - 2026.04.19
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube848164434366412.5413.87332951284066530/30
2x2x2 Cube4008240300703.195.1031696950444515/15
3x3x3 Fewest Moves3961824443242.003368927575/7
Pyraminx2626243234195.809.0323930680827310/10
Skewb2304377170975.767.7111793328417415/15

Sum of Ranks

 Sum of NRSum of CRSum of WR
Single5955122390451723
Average446197083329813
CompetitionRoundPlaceBestAverageDetail
BQHS Spring Open 2026Second round73 12.85 14.21
14.12     12.85     14.76     14.88     13.75
First round73 12.79 13.87
13.07     15.44     12.79     14.46     14.09
Taiwan Championship 2025First round153 12.54 14.04
15.58     14.05     12.92     15.15     12.54
Taiwan Championship 2024First round180 15.48 17.10
15.48     17.05     16.26     19.35     17.98
Shin Kong Open - New Taipei 2024Second round133 15.41 16.80
15.76     18.00     15.41     18.66     16.64
First round143 15.12 16.61
18.80     16.44     16.47     15.12     16.91
CompetitionRoundPlaceBestAverageDetail
BQHS Spring Open 2026Second round55 3.19 6.28
7.05      6.05      8.90      5.74      3.19
First round43 3.61 5.10
5.81      9.01      4.83      3.61      4.67
Taiwan Championship 2024First round118 4.38 6.49
15.80     6.84      4.38      5.03      7.61
CompetitionRoundPlaceBestAverageDetail
Taiwan Championship 2025Final11 32 
32
Please Be Quiet Taiwan 2025Final35 47 DNF
DNF       DNF       47
First round23 39 42.00
43        44        39
CompetitionRoundPlaceBestAverageDetail
Taiwan Championship 2025First round73 5.80 9.03
10.16     13.43     5.80      8.12      8.80
Taiwan Championship 2024First round90 10.36 12.33
10.36     12.32     14.32     13.48     11.20
CompetitionRoundPlaceBestAverageDetail
BQHS Spring Open 2026Second round28 5.76 7.71
7.99      7.36      7.79      9.56      5.76
First round40 7.31 10.62
11.23     10.60     11.44     10.03     7.31
Taiwan Championship 2024First round51 8.01 9.38
10.09     10.85     8.01      8.99      9.07
BQHS Spring Open 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round73 12.85 14.21
14.12     12.85     14.76     14.88     13.75
First round73 12.79 13.87
13.07     15.44     12.79     14.46     14.09
2x2x2 CubeSecond round55 3.19 6.28
7.05      6.05      8.90      5.74      3.19
First round43 3.61 5.10
5.81      9.01      4.83      3.61      4.67
SkewbSecond round28 5.76 7.71
7.99      7.36      7.79      9.56      5.76
First round40 7.31 10.62
11.23     10.60     11.44     10.03     7.31
 
Taiwan Championship 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round153 12.54 14.04
15.58     14.05     12.92     15.15     12.54
3x3x3 Fewest MovesFinal11 32 
32
PyraminxFirst round73 5.80 9.03
10.16     13.43     5.80      8.12      8.80
 
Please Be Quiet Taiwan 2025
EventRoundPlaceBestAverageDetail
3x3x3 Fewest MovesFinal35 47 DNF
DNF       DNF       47
First round23 39 42.00
43        44        39
 
Taiwan Championship 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round180 15.48 17.10
15.48     17.05     16.26     19.35     17.98
2x2x2 CubeFirst round118 4.38 6.49
15.80     6.84      4.38      5.03      7.61
PyraminxFirst round90 10.36 12.33
10.36     12.32     14.32     13.48     11.20
SkewbFirst round51 8.01 9.38
10.09     10.85     8.01      8.99      9.07
 
Shin Kong Open - New Taipei 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round133 15.41 16.80
15.76     18.00     15.41     18.66     16.64
First round143 15.12 16.61
18.80     16.44     16.47     15.12     16.91
No.DateNameRegionCity
52026-04-18~19BQHS Spring Open 2026Chinese TaipeiNew Taipei City
42025-12-19~21Taiwan Championship 2025Chinese TaipeiNew Taipei City
32025-10-18~19Please Be Quiet Taiwan 2025Chinese TaipeiTaipei
22024-12-06~08Taiwan Championship 2024Chinese TaipeiNew Taipei City
12024-09-28Shin Kong Open - New Taipei 2024Chinese TaipeiNew Taipei City