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Yusuke Koakutsu (小圷悠介)

Name: Yusuke Koakutsu (小圷悠介)
Region: Japan
Competitions: 8
WCA ID: Yusuke Koakutsu (小圷悠介)2023KOAK01
Gender: Male
Career: 2023.07.17 - 2026.10.17
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube79179451557.348.2023918803754/55
2x2x2 Cube1113989154222.413.3976892132698/10
4x4x4 Cube1193241905038.6241.1963462304905/5
3x3x3 One-Handed2862598.5511.042308651165/65
Pyraminx2453220452.223.9022776713320/20

Sum of Ranks

 Sum of NRSum of CRSum of WR
Single310175103307277
Average231855260218068

Japan Championship Podiums

EventPlaceSingleAverageDetail
Japan Championship 2026
3x3x3 One-Handed3 10.77 11.86
10.77     17.02     11.21     12.69     11.68

Overall Medal Collection

GoldSilverBronze
11

Overall Record Collection

WRCRNR
1
CompetitionRoundPlaceBestAverageDetail
Tokyo Autumn 2026Final9 9.12 9.60
9.76      9.60      9.12      9.50      9.71
First round6 7.42 8.20
8.89      7.45      7.42      8.26      9.66
Katano Spring 2026Final15 7.72 8.91
10.68     7.72      7.82      9.19      9.72
First round8 7.34 8.57
8.61      8.38      8.72      7.34      11.08
Kanto Spring 2025Final6 7.94 8.54
11.26     8.59      7.94      8.00      9.02
First round15 8.67 9.64
9.41      8.67      10.69     11.15     8.81
Tokyo Spring PM 2025Final7 7.64 8.41
8.03      8.66      7.64      9.06      8.55
First round13 8.80 9.57
8.80      10.30     9.03      10.10     9.58
Shonan PM 2024Final16 8.50 9.91
9.29      9.60      10.85     8.50      DNF
Tokai Open AM 2024Final19 9.84 11.22
9.84      10.19     12.17     14.22     11.29
Ayase Summer 2023First round40 11.99 12.99
11.99     12.79     13.83     13.85     12.35
CompetitionRoundPlaceBestAverageDetail
Tokyo Spring PM 2025Final8 2.48 3.46
3.52      3.32      DNF       3.54      2.48
First round11 2.41 3.39
3.72      DNF       3.48      2.41      2.98
CompetitionRoundPlaceBestAverageDetail
Katano Spring 2026First round32 38.62 41.19
39.54     41.85     42.18     43.79     38.62
CompetitionRoundPlaceBestAverageDetail
Tokyo Autumn 2026Final3 10.10 11.04
10.22     13.14     10.15     10.10     12.74
First round3 10.24 11.30
10.24     11.36     11.26     11.28     14.37
Japan Championship 2026Final4 10.77 11.86
10.77     17.02     11.21     12.69     11.68
First round7 10.55 12.97
18.03     16.41     11.62     10.55     10.88
Katano Spring 2026Final4 9.36 12.21
9.36      13.78     11.68     11.86     13.09
First round5 10.01 12.91
13.40     10.01     11.90     13.53     13.42
Kanto Spring 2025Final5 10.12 13.06
12.65     13.38     14.48     10.12     13.16
First round1NR 8.55 11.51
12.74     12.58     9.22      12.92     8.55
Shonan PM 2024Final1 10.99 11.73
10.99     13.46     11.71     11.53     11.95
Tokai Open AM 2024Final4 11.35 13.70
13.36     12.32     16.16     11.35     15.42
First round7 13.87 15.40
13.87     15.16     14.68     17.00     16.37
Ayase Summer 2023Final9 12.72 17.75
15.82     18.10     19.34     22.11     12.72
First round9 14.56 16.89
19.52     18.52     14.56     17.04     15.11
CompetitionRoundPlaceBestAverageDetail
Katano Spring 2026Final8 2.30 4.00
4.96      3.14      4.39      4.47      2.30
First round7 3.15 3.90
4.71      3.43      3.57      3.15      10.46
Kanto Spring 2025Final4 2.22 4.09
4.80      2.22      4.23      3.24      6.44
First round6 2.53 4.41
2.53      5.79      5.77      2.91      4.55
Tokyo Autumn 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal9 9.12 9.60
9.76      9.60      9.12      9.50      9.71
First round6 7.42 8.20
8.89      7.45      7.42      8.26      9.66
3x3x3 One-HandedFinal3 10.10 11.04
10.22     13.14     10.15     10.10     12.74
First round3 10.24 11.30
10.24     11.36     11.26     11.28     14.37
 
Japan Championship 2026
EventRoundPlaceBestAverageDetail
3x3x3 One-HandedFinal4 10.77 11.86
10.77     17.02     11.21     12.69     11.68
First round7 10.55 12.97
18.03     16.41     11.62     10.55     10.88
 
Katano Spring 2026
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal15 7.72 8.91
10.68     7.72      7.82      9.19      9.72
First round8 7.34 8.57
8.61      8.38      8.72      7.34      11.08
4x4x4 CubeFirst round32 38.62 41.19
39.54     41.85     42.18     43.79     38.62
3x3x3 One-HandedFinal4 9.36 12.21
9.36      13.78     11.68     11.86     13.09
First round5 10.01 12.91
13.40     10.01     11.90     13.53     13.42
PyraminxFinal8 2.30 4.00
4.96      3.14      4.39      4.47      2.30
First round7 3.15 3.90
4.71      3.43      3.57      3.15      10.46
 
Kanto Spring 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal6 7.94 8.54
11.26     8.59      7.94      8.00      9.02
First round15 8.67 9.64
9.41      8.67      10.69     11.15     8.81
3x3x3 One-HandedFinal5 10.12 13.06
12.65     13.38     14.48     10.12     13.16
First round1NR 8.55 11.51
12.74     12.58     9.22      12.92     8.55
PyraminxFinal4 2.22 4.09
4.80      2.22      4.23      3.24      6.44
First round6 2.53 4.41
2.53      5.79      5.77      2.91      4.55
 
Tokyo Spring PM 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal7 7.64 8.41
8.03      8.66      7.64      9.06      8.55
First round13 8.80 9.57
8.80      10.30     9.03      10.10     9.58
2x2x2 CubeFinal8 2.48 3.46
3.52      3.32      DNF       3.54      2.48
First round11 2.41 3.39
3.72      DNF       3.48      2.41      2.98
 
Shonan PM 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal16 8.50 9.91
9.29      9.60      10.85     8.50      DNF
3x3x3 One-HandedFinal1 10.99 11.73
10.99     13.46     11.71     11.53     11.95
 
Tokai Open AM 2024
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal19 9.84 11.22
9.84      10.19     12.17     14.22     11.29
3x3x3 One-HandedFinal4 11.35 13.70
13.36     12.32     16.16     11.35     15.42
First round7 13.87 15.40
13.87     15.16     14.68     17.00     16.37
 
Ayase Summer 2023
EventRoundPlaceBestAverageDetail
3x3x3 CubeFirst round40 11.99 12.99
11.99     12.79     13.83     13.85     12.35
3x3x3 One-HandedFinal9 12.72 17.75
15.82     18.10     19.34     22.11     12.72
First round9 14.56 16.89
19.52     18.52     14.56     17.04     15.11

History of National Records

EventSingleAverageCompetitionRoundDetail
3x3x3 One-Handed
 NR 8.55Kanto Spring 2025First round
12.74     12.58     9.22      12.92     8.55
No.DateNameRegionCity
82026-10-17Tokyo Autumn 2026JapanOta, Tokyo
72026-07-18~19Japan Championship 2026JapanDaito, Osaka
62026-03-21~22Katano Spring 2026JapanKatano, Osaka
52025-05-31Kanto Spring 2025JapanOta, Tokyo
42025-04-20Tokyo Spring PM 2025JapanOta, Tokyo
32024-12-07Shonan PM 2024JapanFujisawa, Kanagawa
22024-09-15Tokai Open AM 2024JapanKariya, Aichi
12023-07-17Ayase Summer 2023JapanAdachi, Tokyo