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Koo Jia Kai

Name: Koo Jia Kai
Region: Singapore
Competitions: 5
WCA ID: Koo Jia Kai2025KAIK02
Gender: Male
Career: 2025.10.18 - 2026.06.21
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube294124613320511.4412.8225390976824020/20
2x2x2 Cube952573104022.133.11519214055428/30
4x4x4 Cube22396102857258.251:01.102374182352055/5
5x5x5 Cube1405452171401:50.222/2
3x3x3 One-Handed10640951111518.1422.2110634407311510/10

Sum of Ranks

 Sum of NRSum of CRSum of WR
Single2804122248454078
Average2219104113379861
CompetitionRoundPlaceBestAverageDetail
Singapore DNPM 2026First round35 12.65 14.31
16.62     12.84     12.65     13.47     17.13
Singapore Championship 2026First round112 12.22 13.38
12.99     12.65     14.49     15.48     12.22
Singapore Warm Up January 2026First round36 11.44 12.82
13.98     11.44     12.21     14.03     12.28
Singapore Kempinski Open 2025First round33 12.20 13.58
13.19     17.88     13.10     12.20     14.44
CompetitionRoundPlaceBestAverageDetail
Singapore DNPM 2026Final10 2.86 3.79
2.86      3.62      3.80      4.92      3.95
First round8 2.78 3.11
2.78      4.46      3.47      2.80      3.06
Singapore Championship 2026First round45 2.13 3.98
DNF       2.13      5.59      3.35      2.99
Singapore Warm Up January 2026Second round14 2.41 4.19
3.99      4.34      5.58      2.41      4.25
First round15 2.41 3.44
3.67      3.62      4.53      2.41      3.03
Singapore Kempinski Open 2025First round41 2.56 7.05
5.71      3.44      2.56      11.99     DNF
CompetitionRoundPlaceBestAverageDetail
Singapore DNPM 2026First round35 58.25 1:01.10
59.48     1:11.66   1:01.78   58.25     1:02.05
CompetitionRoundPlaceBestAverageDetail
NUS Mini 2026First round21 1:50.22 
1:57.97   1:50.22
CompetitionRoundPlaceBestAverageDetail
NUS Mini 2026First round20 18.14 22.21
26.69     18.14     19.73     25.40     21.49
Singapore Warm Up January 2026First round23 21.40 26.06
26.53     30.38     23.73     27.93     21.40
NUS Mini 2026
EventRoundPlaceBestAverageDetail
5x5x5 CubeFirst round21 1:50.22 
1:57.97   1:50.22
3x3x3 One-HandedFirst round20 18.14 22.21
26.69     18.14     19.73     25.40     21.49
 
Singapore DNPM 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round35 12.65 14.31
16.62     12.84     12.65     13.47     17.13
2x2x2 CubeFinal10 2.86 3.79
2.86      3.62      3.80      4.92      3.95
First round8 2.78 3.11
2.78      4.46      3.47      2.80      3.06
4x4x4 CubeFirst round35 58.25 1:01.10
59.48     1:11.66   1:01.78   58.25     1:02.05
 
Singapore Championship 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round112 12.22 13.38
12.99     12.65     14.49     15.48     12.22
2x2x2 CubeFirst round45 2.13 3.98
DNF       2.13      5.59      3.35      2.99
 
Singapore Warm Up January 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round36 11.44 12.82
13.98     11.44     12.21     14.03     12.28
2x2x2 CubeSecond round14 2.41 4.19
3.99      4.34      5.58      2.41      4.25
First round15 2.41 3.44
3.67      3.62      4.53      2.41      3.03
3x3x3 One-HandedFirst round23 21.40 26.06
26.53     30.38     23.73     27.93     21.40
 
Singapore Kempinski Open 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round33 12.20 13.58
13.19     17.88     13.10     12.20     14.44
2x2x2 CubeFirst round41 2.56 7.05
5.71      3.44      2.56      11.99     DNF
No.DateNameRegionCity
52026-06-21NUS Mini 2026SingaporeSingapore
42026-05-24Singapore DNPM 2026SingaporeSingapore
32026-02-20~22Singapore Championship 2026SingaporeSingapore
22026-01-03~04Singapore Warm Up January 2026SingaporeSingapore
12025-10-18Singapore Kempinski Open 2025SingaporeSingapore