Personal Page

Hajin Cho (조하진)

Name: Hajin Cho (조하진)
Region: Republic of Korea
Competitions: 7
WCA ID: Hajin Cho (조하진)2023CHOH06
Gender: Male
Career: 2023.12.15 - 2025.08.17
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube23954691613677724.5428.6613108345334232730/30
2x2x2 Cube1747380791308749.2310.0410682331790153010/10
Clock39448542177424.654/4
Megaminx4045972262813:22.632/4
Pyraminx770195607407311.0513.37566381537963717/17
Skewb599115844862213.0125.43579751348870311/12

Sum of Ranks

 Sum of NRNRSum of CRCRSum of WRWR
Single10466185519998634122708296105169
Average935417641687013078457274893474
3x3x3 Cube
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round252 24.54 30.13
29.26     31.61     36.85     24.54     29.51
Osan Summer 2025First round97 25.76 28.66
27.59     33.31     32.02     26.37     25.76
Korean Championship 2024First round230 29.41 32.36
33.47     44.64     34.18     29.43     29.41
Ansan Summer 2024First round104 28.00 41.00
28.00     55.97     42.84     47.83     32.32
Anyang Haseyo 2024First round127 25.04 32.01
35.37     30.64     25.04     30.02     43.61
Korean Championship 2023First round191 34.87 43.31
44.33     42.64     42.96     45.08     34.87
 
2x2x2 Cube
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round195 9.23 10.04
9.23      10.26     10.64     9.23      13.00
Korean Championship 2024First round191 9.88 14.60
16.82     9.88      13.04     13.93     18.09
 
Clock
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round114 24.65 
24.65     31.44
Osan Summer 2025First round57 29.24 
29.24     35.09
 
Megaminx
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round105 DNF 
DNF       DNF
Please Minx Korea 2025First round89 3:22.63 
3:22.63   4:02.14
 
Pyraminx
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round145 13.39 18.74
13.39     26.03     16.67     14.49     25.06
Please Minx Korea 2025Second round95 11.05 15.22
12.00     11.05     16.04     17.62     20.70
First round94 12.08 13.37
19.61     12.66     12.91     12.08     14.54
Korean Championship 2024First round101 21.07 
27.10     21.07
 
Skewb
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round110 13.01 25.67
17.84     27.35     32.19     13.01     31.83
Korean Championship 2024First round80 25.12 
25.12     DNF
Anyang Haseyo 2024First round80 23.68 25.43
23.73     26.43     23.68     40.80     26.12
 
Square-1
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round71 DNF 
DNF       DNF
Korea Open 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round252 24.54 30.13
29.26     31.61     36.85     24.54     29.51
2x2x2 CubeFirst round195 9.23 10.04
9.23      10.26     10.64     9.23      13.00
ClockFirst round114 24.65 
24.65     31.44
MegaminxFirst round105 DNF 
DNF       DNF
PyraminxFirst round145 13.39 18.74
13.39     26.03     16.67     14.49     25.06
SkewbFirst round110 13.01 25.67
17.84     27.35     32.19     13.01     31.83
Square-1First round71 DNF 
DNF       DNF
 
Osan Summer 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round97 25.76 28.66
27.59     33.31     32.02     26.37     25.76
ClockFirst round57 29.24 
29.24     35.09
 
Please Minx Korea 2025
EventRoundPlaceBestAverageDetail
MegaminxFirst round89 3:22.63 
3:22.63   4:02.14
PyraminxSecond round95 11.05 15.22
12.00     11.05     16.04     17.62     20.70
First round94 12.08 13.37
19.61     12.66     12.91     12.08     14.54
 
Korean Championship 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round230 29.41 32.36
33.47     44.64     34.18     29.43     29.41
2x2x2 CubeFirst round191 9.88 14.60
16.82     9.88      13.04     13.93     18.09
PyraminxFirst round101 21.07 
27.10     21.07
SkewbFirst round80 25.12 
25.12     DNF
 
Ansan Summer 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round104 28.00 41.00
28.00     55.97     42.84     47.83     32.32
 
Anyang Haseyo 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round127 25.04 32.01
35.37     30.64     25.04     30.02     43.61
SkewbFirst round80 23.68 25.43
23.73     26.43     23.68     40.80     26.12
 
Korean Championship 2023
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round191 34.87 43.31
44.33     42.64     42.96     45.08     34.87
No.DateNameRegionCity
72025-08-15~17Korea Open 2025Republic of Korea경기도 수원시 (Suwon-si, Gyeonggi-do)
62025-06-29Osan Summer 2025Republic of Korea경기도 오산시 (Osan-si, Gyeonggi-do)
52025-04-05Please Minx Korea 2025Republic of Korea서울특별시 (Seoul)
42024-08-15~17Korean Championship 2024Republic of Korea경기도 수원시 (Suwon-si, Gyeonggi-do)
32024-07-20Ansan Summer 2024Republic of Korea경기도 안산시 (Ansan-si, Gyeonggi-do)
22024-03-09Anyang Haseyo 2024Republic of Korea경기도 안양시 (Anyang-si, Gyeonggi-do)
12023-12-15~17Korean Championship 2023Republic of Korea대전광역시 (Daejeon)