Kohei Aruga (有賀康平)
WCA ID: 2025ARUG01
Country: Japan 
Active since: 2025
6
Competitions4
Total Events96
Total Solves1
Best Competition Result (7x7x7 Cube)7x7x7 Cube
Most Practiced Event (30 solves)7x7x7 Cube
Best Event (#49 world)7
Total Single PBs5
Total Average PBsJapan Championship 2026
Last CompetitionCurrent Rankings
| Event | Single | WR | CR | NR | Average | WR | CR | NR |
|---|---|---|---|---|---|---|---|---|
| 3x3x3 Cube | 7.06s | #3,911 | #1,339 | #62 | 8.27s | #2,413 | #889 | #40 |
| 5x5x5 Cube | 40.75s | #86 | #35 | #1 | 49.12s | #192 | #75 | #2 |
| 6x6x6 Cube | 1:22.45 | #145 | #55 | #2 | 1:28.69 | #137 | #49 | #2 |
| 7x7x7 Cube | 2:01.07 | #86 | #37 | #1 | 2:03.04 | #49 | #21 | #1 |
Main Event Progression - 7x7x7 Cube
Event Distribution
Best Events Ranking
PB Progression
Event Results Overview
| Event | Best Single | Best Average | Competitions | Solves | Best Position | Last Competition |
|---|---|---|---|---|---|---|
| 3x3x3 Cube | 7.06s | 8.27s | 2 | 20 | #6 | 15/06/2025 |
| 5x5x5 Cube | 40.75s | 49.12s | 2 | 25 | #3 | 14/12/2025 |
| 6x6x6 Cube | 1:22.45 | 1:28.69 | 4 | 21 | #2 | 18/07/2026 |
| 7x7x7 Cube | 2:01.07 | 2:03.04 | 6 | 30 | #1 | 18/07/2026 |
Recent Competitions
Japan Championship 2026
18/07/2026
#1
Best position
2
Events
6
Solves
2
Podiums
7x7x7 Cube
Best event #1
Tokyo Summer 2026
13/06/2026
#1
Best position
2
Events
12
Solves
2
Podiums
7x7x7 Cube
Best event #1
Tokai Big Cubes 2025
14/12/2025
#2
Best position
3
Events
27
Solves
5
Podiums
7x7x7 Cube
Best event #2
Tokyo Autumn 2025
23/09/2025
#2
Best position
2
Events
12
Solves
1
Podiums
7x7x7 Cube
Best event #2
Kansai Odd and BLD 2025
15/06/2025
#2
Best position
3
Events
23
Solves
1
Podiums
7x7x7 Cube
Best event #2
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