Personal Page

Ujin Choi

Name: Ujin Choi
Region: Republic of Korea
Competitions: 8
WCA ID: Ujin Choi2023CHOI35
Gender: Male
Career: 2023.11.18 - 2025.08.17
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube72111333556.989.756667244815276/80
2x2x2 Cube2604316166532.563.316353171511338/40
4x4x4 Cube971402401533.3944.698265295019944/45
5x5x5 Cube7599428711:04.011:12.67312611098330/30
6x6x6 Cube166217071733:06.713:15.13672820571586/6
3x3x3 One-Handed27753661444520.1431.4824678931644520/20
Megaminx2844111159742:05.342:35.8716127409730911/14
Pyraminx3588209307946.668.5420011573426623/25
Skewb4348129330308.8716.6043098105385585/5

Sum of Ranks

 Sum of NRSum of CRSum of WR
Single360959101225849
Average338554630195226
3x3x3 Cube
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025Semi Final32 6.98 9.75
9.08      6.98      10.43     11.02     9.73
Second round57 9.68 10.99
11.88     9.68      10.96     14.59     10.12
First round49 8.71 10.37
11.54     10.97     9.91      10.23     8.71
Seoul Winter 2024First round21 8.76 10.10
10.14     8.76      12.14     10.14     10.03
Korean Championship 2024Semi Final24 9.16 9.96
9.57      9.17      11.15     13.45     9.16
Second round32 9.67 10.44
DNF       11.15     10.35     9.67      9.82
First round34 8.37 10.59
10.13     8.37      12.14     11.41     10.24
Ansan Summer 2024Second round82 9.91 DNF
13.12     DNF       18.17     DNF       9.91
First round28 9.80 11.94
12.57     9.80      12.79     16.00     10.45
Prime Cubing Day Seoul 2024First round25 9.29 10.50
10.74     9.29      11.23     9.53      11.93
Busan Spring 2024Second round32 9.52 11.37
10.02     9.52      14.52     11.68     12.40
First round38 10.99 11.76
10.99     11.28     12.89     13.80     11.11
Korean Championship 2023Semi Final33 11.06 12.31
11.26     11.74     11.06     13.92     16.36
Second round35 10.46 11.45
11.64     10.66     10.46     12.44     12.04
First round33 10.24 11.14
10.24     11.20     13.48     11.17     11.04
Hamchang Open 2023First round36 10.34 13.24
11.75     DNF       12.85     15.12     10.34
 
2x2x2 Cube
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025Second round78 4.13 4.51
4.13      4.78      7.21      4.46      4.28
First round76 3.81 4.49
6.66      4.09      4.77      4.62      3.81
Seoul Winter 2024First round40 3.81 4.13
3.81      4.09      3.96      4.66      4.33
Korean Championship 2024Second round18 2.56 3.31
2.92      3.20      4.66      3.82      2.56
First round39 3.33 4.27
3.33      4.20      4.96      DNF       3.64
Prime Cubing Day Seoul 2024First round36 3.35 4.51
3.99      6.21      3.35      4.24      5.30
Korean Championship 2023Second round45 2.94 5.14
2.94      5.59      5.42      7.70      4.40
First round27 3.40 4.15
4.53      4.00      DNF       3.93      3.40
 
4x4x4 Cube
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025Second round60 33.39 44.69
38.30     45.64     50.71     33.39     50.13
First round77 41.84 48.39
52.20     41.84     50.02     50.32     44.82
Seoul Winter 2024First round38 39.30 44.69
45.21     46.39     48.59     42.47     39.30
Korean Championship 2024Second round40 39.96 47.15
44.05     47.47     52.00     49.92     39.96
First round36 43.27 45.03
49.37     45.20     45.30     44.60     43.27
Busan Spring 2024Second round39 39.49 53.08
56.17     51.00     1:02.66   39.49     52.08
First round47 53.83 56.88
53.83     DNF       1:00.10   55.01     55.53
Korean Championship 2023First round54 49.62 59.64
1:04.45   1:09.69   56.21     58.26     49.62
Hamchang Open 2023First round41 1:02.83 1:09.85
1:09.18   1:11.79   1:10.36   1:10.01   1:02.83
 
5x5x5 Cube
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025Second round58 1:07.07 1:26.07
1:07.07   1:26.25   1:32.95   1:30.02   1:21.95
First round31 1:04.01 1:12.67
1:13.40   1:09.23   1:15.39   1:18.96   1:04.01
Korean Championship 2024First round43 1:14.07 1:23.02
1:22.26   1:29.28   1:36.50   1:14.07   1:17.52
Prime Cubing Day Seoul 2024First round33 1:16.65 1:22.31
1:16.65   1:25.58   1:47.28   1:20.93   1:20.43
Busan Spring 2024First round37 1:30.08 1:33.43
1:30.08   1:59.70   1:37.59   1:30.19   1:32.50
Korean Championship 2023First round56 2:19.44 2:25.09
2:39.93   2:24.17   2:24.97   2:19.44   2:26.14
 
6x6x6 Cube
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round60 3:11.79 3:21.01
3:30.13   3:11.79   3:21.11
Korean Championship 2024First round41 3:06.71 3:15.13
3:06.71   3:21.94   3:16.73
 
3x3x3 One-Handed
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round99 20.14 32.53
33.09     33.86     30.63     20.14     41.80
Ansan Summer 2024First round37 24.89 31.48
25.07     45.78     24.89     42.95     26.43
Busan Spring 2024First round51 28.80 35.22
37.51     28.80     33.16     38.01     34.99
Korean Championship 2023First round49 25.17 31.53
30.80     52.16     25.17     29.56     34.22
 
Megaminx
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round88 2:05.34 2:35.87
2:07.01   2:43.83   2:56.77   3:31.08   2:05.34
Korean Championship 2024First round61 2:29.46 
DNF       2:29.46
Busan Spring 2024First round58 2:42.93 2:49.34
2:49.08   2:55.83   2:43.76   2:55.19   2:42.93
Korean Championship 2023Final37 DNF 
DNF       DNF
 
Pyraminx
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round76 8.15 9.17
10.28     8.98      8.54      9.99      8.15
Korean Championship 2024First round43 6.87 9.72
8.08      10.16     10.91     6.87      13.13
Busan Spring 2024First round37 7.24 9.15
10.32     8.19      DNF       8.94      7.24
Korean Championship 2023First round33 6.91 8.54
6.96      DNF       10.43     6.91      8.24
Hamchang Open 2023First round23 6.66 8.84
10.05     6.66      14.78     8.88      7.59
 
Skewb
CompetitionRoundPlaceBestAverageDetail
Korea Open 2025First round97 8.87 16.60
17.70     8.87      15.43     18.87     16.67
Korea Open 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSemi Final32 6.98 9.75
9.08      6.98      10.43     11.02     9.73
Second round57 9.68 10.99
11.88     9.68      10.96     14.59     10.12
First round49 8.71 10.37
11.54     10.97     9.91      10.23     8.71
2x2x2 CubeSecond round78 4.13 4.51
4.13      4.78      7.21      4.46      4.28
First round76 3.81 4.49
6.66      4.09      4.77      4.62      3.81
4x4x4 CubeSecond round60 33.39 44.69
38.30     45.64     50.71     33.39     50.13
First round77 41.84 48.39
52.20     41.84     50.02     50.32     44.82
5x5x5 CubeSecond round58 1:07.07 1:26.07
1:07.07   1:26.25   1:32.95   1:30.02   1:21.95
First round31 1:04.01 1:12.67
1:13.40   1:09.23   1:15.39   1:18.96   1:04.01
6x6x6 CubeFirst round60 3:11.79 3:21.01
3:30.13   3:11.79   3:21.11
3x3x3 One-HandedFirst round99 20.14 32.53
33.09     33.86     30.63     20.14     41.80
MegaminxFirst round88 2:05.34 2:35.87
2:07.01   2:43.83   2:56.77   3:31.08   2:05.34
PyraminxFirst round76 8.15 9.17
10.28     8.98      8.54      9.99      8.15
SkewbFirst round97 8.87 16.60
17.70     8.87      15.43     18.87     16.67
 
Seoul Winter 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round21 8.76 10.10
10.14     8.76      12.14     10.14     10.03
2x2x2 CubeFirst round40 3.81 4.13
3.81      4.09      3.96      4.66      4.33
4x4x4 CubeFirst round38 39.30 44.69
45.21     46.39     48.59     42.47     39.30
 
Korean Championship 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSemi Final24 9.16 9.96
9.57      9.17      11.15     13.45     9.16
Second round32 9.67 10.44
DNF       11.15     10.35     9.67      9.82
First round34 8.37 10.59
10.13     8.37      12.14     11.41     10.24
2x2x2 CubeSecond round18 2.56 3.31
2.92      3.20      4.66      3.82      2.56
First round39 3.33 4.27
3.33      4.20      4.96      DNF       3.64
4x4x4 CubeSecond round40 39.96 47.15
44.05     47.47     52.00     49.92     39.96
First round36 43.27 45.03
49.37     45.20     45.30     44.60     43.27
5x5x5 CubeFirst round43 1:14.07 1:23.02
1:22.26   1:29.28   1:36.50   1:14.07   1:17.52
6x6x6 CubeFirst round41 3:06.71 3:15.13
3:06.71   3:21.94   3:16.73
MegaminxFirst round61 2:29.46 
DNF       2:29.46
PyraminxFirst round43 6.87 9.72
8.08      10.16     10.91     6.87      13.13
 
Ansan Summer 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round82 9.91 DNF
13.12     DNF       18.17     DNF       9.91
First round28 9.80 11.94
12.57     9.80      12.79     16.00     10.45
3x3x3 One-HandedFirst round37 24.89 31.48
25.07     45.78     24.89     42.95     26.43
 
Prime Cubing Day Seoul 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round25 9.29 10.50
10.74     9.29      11.23     9.53      11.93
2x2x2 CubeFirst round36 3.35 4.51
3.99      6.21      3.35      4.24      5.30
5x5x5 CubeFirst round33 1:16.65 1:22.31
1:16.65   1:25.58   1:47.28   1:20.93   1:20.43
 
Busan Spring 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round32 9.52 11.37
10.02     9.52      14.52     11.68     12.40
First round38 10.99 11.76
10.99     11.28     12.89     13.80     11.11
4x4x4 CubeSecond round39 39.49 53.08
56.17     51.00     1:02.66   39.49     52.08
First round47 53.83 56.88
53.83     DNF       1:00.10   55.01     55.53
5x5x5 CubeFirst round37 1:30.08 1:33.43
1:30.08   1:59.70   1:37.59   1:30.19   1:32.50
3x3x3 One-HandedFirst round51 28.80 35.22
37.51     28.80     33.16     38.01     34.99
MegaminxFirst round58 2:42.93 2:49.34
2:49.08   2:55.83   2:43.76   2:55.19   2:42.93
PyraminxFirst round37 7.24 9.15
10.32     8.19      DNF       8.94      7.24
 
Korean Championship 2023
EventRoundPlaceBestAverageDetail
3x3x3 CubeSemi Final33 11.06 12.31
11.26     11.74     11.06     13.92     16.36
Second round35 10.46 11.45
11.64     10.66     10.46     12.44     12.04
First round33 10.24 11.14
10.24     11.20     13.48     11.17     11.04
2x2x2 CubeSecond round45 2.94 5.14
2.94      5.59      5.42      7.70      4.40
First round27 3.40 4.15
4.53      4.00      DNF       3.93      3.40
4x4x4 CubeFirst round54 49.62 59.64
1:04.45   1:09.69   56.21     58.26     49.62
5x5x5 CubeFirst round56 2:19.44 2:25.09
2:39.93   2:24.17   2:24.97   2:19.44   2:26.14
3x3x3 One-HandedFirst round49 25.17 31.53
30.80     52.16     25.17     29.56     34.22
MegaminxFinal37 DNF 
DNF       DNF
PyraminxFirst round33 6.91 8.54
6.96      DNF       10.43     6.91      8.24
 
Hamchang Open 2023
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round36 10.34 13.24
11.75     DNF       12.85     15.12     10.34
4x4x4 CubeFirst round41 1:02.83 1:09.85
1:09.18   1:11.79   1:10.36   1:10.01   1:02.83
PyraminxFirst round23 6.66 8.84
10.05     6.66      14.78     8.88      7.59
No.DateNameRegionCity
82025-08-15~17Korea Open 2025Republic of Korea경기도 수원시 (Suwon-si, Gyeonggi-do)
72024-12-14Seoul Winter 2024Republic of Korea서울특별시 (Seoul)
62024-08-15~17Korean Championship 2024Republic of Korea경기도 수원시 (Suwon-si, Gyeonggi-do)
52024-07-20Ansan Summer 2024Republic of Korea경기도 안산시 (Ansan-si, Gyeonggi-do)
42024-06-15Prime Cubing Day Seoul 2024Republic of Korea서울특별시 (Seoul)
32024-04-06~07Busan Spring 2024Republic of Korea부산광역시 (Busan)
22023-12-15~17Korean Championship 2023Republic of Korea대전광역시 (Daejeon)
12023-11-18~19Hamchang Open 2023Republic of Korea경상북도 상주시 (Sangju-si, Gyeongsangbuk-do)