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Kohei Aruga (有賀康平)

Name: Kohei Aruga (有賀康平)
Region: Japan
Competitions: 6
WCA ID: Kohei Aruga (有賀康平)2025ARUG01
Gender: Male
Career: 2025.04.12 - 2026.07.19
2025 Annual Summary

Current Personal Records

EventNRCRWRSingleAverageWRCRNRGoldSilverBronzeSolves/Attempts
3x3x3 Cube62134339227.068.2724208914020/20
5x5x5 Cube1358640.7549.12192752125/25
6x6x6 Cube2551451:22.451:28.69138492221/21
7x7x7 Cube137862:01.072:03.04502212230/30

Sum of Ranks

 Sum of NRSum of CRSum of WR
Single4839180427670331
Average4092154305562359

Japan Championship Podiums

EventPlaceSingleAverageDetail
Japan Championship 2026
6x6x6 Cube1 1:22.45 1:29.63
1:26.98   1:39.47   1:22.45
7x7x7 Cube1NR 2:01.07NR 2:03.04
2:03.36   2:01.07   2:04.68

Overall Medal Collection

GoldSilverBronze
241

Overall Record Collection

WRCRNR
9
CompetitionRoundPlaceBestAverageDetail
Kansai Odd and BLD 2025Second round20 8.17 9.26
8.17      9.19      10.27     9.90      8.68
First round22 7.36 9.20
9.43      8.26      9.90      10.83     7.36
Tokai Spring 2025Final8 7.69 8.74
11.01     9.15      8.78      7.69      8.28
First round6 7.06 8.27
9.96      7.06      8.86      7.25      8.71
CompetitionRoundPlaceBestAverageDetail
Tokai Big Cubes 2025Final3NR 40.75 50.64
46.67     52.95     40.75     52.30     54.71
Second round3 43.06 49.12
49.63     46.02     52.20     43.06     51.70
First round3 49.97 53.03
55.87     51.95     49.97     51.26     1:00.41
Kansai Odd and BLD 2025Final7 48.50 53.81
50.87     48.50     1:00.16   52.63     57.92
First round6 50.72 52.43
56.52     50.72     52.21     54.28     50.80
CompetitionRoundPlaceBestAverageDetail
Japan Championship 2026Final2 1:22.45 1:29.63
1:26.98   1:39.47   1:22.45
Tokyo Summer 2026Final2 1:27.00 1:28.69
1:32.06   1:27.00   1:27.00
First round4 1:29.46 1:37.69
1:32.44   1:29.46   1:51.16
Tokai Big Cubes 2025Final4 1:34.77 1:37.00
1:39.15   1:34.77   1:37.07
First round4 1:30.58 1:34.66
1:34.07   1:30.58   1:39.34
Tokyo Autumn 2025Final5 1:25.52 1:32.03
1:25.52   1:30.80   1:39.76
First round4NR 1:22.97 1:30.91
1:35.01   1:34.75   1:22.97
CompetitionRoundPlaceBestAverageDetail
Japan Championship 2026Final1NR 2:01.07NR 2:03.04
2:03.36   2:01.07   2:04.68
Tokyo Summer 2026Final1NR 2:01.56NR 2:07.95
2:16.85   2:01.56   2:05.43
First round5 2:04.95 2:27.51
2:12.51   2:04.95   3:05.06
Tokai Big Cubes 2025Final2 2:07.49 2:12.48
2:07.49   2:19.08   2:10.86
First round2 2:09.42 2:13.03
2:17.43   2:12.24   2:09.42
Tokyo Autumn 2025Final5 2:06.84 2:25.32
2:28.28   2:06.84   2:40.83
First round2 2:05.47NR 2:08.46
2:05.47   2:08.91   2:11.01
Kansai Odd and BLD 2025Final2NR 2:03.45NR 2:15.63
2:19.30   2:24.15   2:03.45
Tokai Spring 2025Final4 2:14.96 2:22.07
2:28.17   2:23.08   2:14.96
First round4 2:14.43 2:19.49
2:14.43   2:18.89   2:25.14
Japan Championship 2026
EventRoundPlaceBestAverageDetail
6x6x6 CubeFinal2 1:22.45 1:29.63
1:26.98   1:39.47   1:22.45
7x7x7 CubeFinal1NR 2:01.07NR 2:03.04
2:03.36   2:01.07   2:04.68
 
Tokyo Summer 2026
EventRoundPlaceBestAverageDetail
6x6x6 CubeFinal2 1:27.00 1:28.69
1:32.06   1:27.00   1:27.00
First round4 1:29.46 1:37.69
1:32.44   1:29.46   1:51.16
7x7x7 CubeFinal1NR 2:01.56NR 2:07.95
2:16.85   2:01.56   2:05.43
First round5 2:04.95 2:27.51
2:12.51   2:04.95   3:05.06
 
Tokai Big Cubes 2025
EventRoundPlaceBestAverageDetail
5x5x5 CubeFinal3NR 40.75 50.64
46.67     52.95     40.75     52.30     54.71
Second round3 43.06 49.12
49.63     46.02     52.20     43.06     51.70
First round3 49.97 53.03
55.87     51.95     49.97     51.26     1:00.41
6x6x6 CubeFinal4 1:34.77 1:37.00
1:39.15   1:34.77   1:37.07
First round4 1:30.58 1:34.66
1:34.07   1:30.58   1:39.34
7x7x7 CubeFinal2 2:07.49 2:12.48
2:07.49   2:19.08   2:10.86
First round2 2:09.42 2:13.03
2:17.43   2:12.24   2:09.42
 
Tokyo Autumn 2025
EventRoundPlaceBestAverageDetail
6x6x6 CubeFinal5 1:25.52 1:32.03
1:25.52   1:30.80   1:39.76
First round4NR 1:22.97 1:30.91
1:35.01   1:34.75   1:22.97
7x7x7 CubeFinal5 2:06.84 2:25.32
2:28.28   2:06.84   2:40.83
First round2 2:05.47NR 2:08.46
2:05.47   2:08.91   2:11.01
 
Kansai Odd and BLD 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeSecond round20 8.17 9.26
8.17      9.19      10.27     9.90      8.68
First round22 7.36 9.20
9.43      8.26      9.90      10.83     7.36
5x5x5 CubeFinal7 48.50 53.81
50.87     48.50     1:00.16   52.63     57.92
First round6 50.72 52.43
56.52     50.72     52.21     54.28     50.80
7x7x7 CubeFinal2NR 2:03.45NR 2:15.63
2:19.30   2:24.15   2:03.45
 
Tokai Spring 2025
EventRoundPlaceBestAverageDetail
3x3x3 CubeFinal8 7.69 8.74
11.01     9.15      8.78      7.69      8.28
First round6 7.06 8.27
9.96      7.06      8.86      7.25      8.71
7x7x7 CubeFinal4 2:14.96 2:22.07
2:28.17   2:23.08   2:14.96
First round4 2:14.43 2:19.49
2:14.43   2:18.89   2:25.14

History of National Records

EventSingleAverageCompetitionRoundDetail
5x5x5 Cube
 NR 40.75Tokai Big Cubes 2025Final
46.67     52.95     40.75     52.30     54.71
6x6x6 Cube
 NR 1:22.97Tokyo Autumn 2025First round
1:35.01   1:34.75   1:22.97
7x7x7 Cube
 NR 2:01.07NR 2:03.04Japan Championship 2026Final
2:03.36   2:01.07   2:04.68
 NR 2:01.56NR 2:07.95Tokyo Summer 2026Final
2:16.85   2:01.56   2:05.43
 NR 2:08.46Tokyo Autumn 2025First round
2:05.47   2:08.91   2:11.01
 NR 2:03.45NR 2:15.63Kansai Odd and BLD 2025Final
2:19.30   2:24.15   2:03.45
No.DateNameRegionCity
62026-07-18~19Japan Championship 2026JapanDaito, Osaka
52026-06-13Tokyo Summer 2026JapanOta, Tokyo
42025-12-14Tokai Big Cubes 2025JapanKariya, Aichi
32025-09-23Tokyo Autumn 2025JapanOta, Tokyo
22025-06-15Kansai Odd and BLD 2025JapanDaito, Osaka
12025-04-12Tokai Spring 2025JapanTokai, Aichi