Kohei Aruga (有賀康平)
Tokai Autumn 2026
WCA ID: 2025ARUG01
Country: Japan 
Active since: 2025
3
Events Entered25
Official Solves2
Best Position (5x5x5 Cube)5x5x5 Cube
Best Event48.35s
Best Result (5x5x5 Cube)3
PBs AchievedCompetition Event Summary
| Event | Round Reached | Single | Average | Position |
|---|---|---|---|---|
| 3x3x3 Cube | Final | 7.08s | 8.31s | #5 |
| 4x4x4 Cube | Final | 28.65s | 31.64s | #6 |
| 5x5x5 Cube | Final | 46.11s | 51.02s | #2 |
Event Ranking Chart
Competition Round Breakdown
3x3x3 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #5 | 7.08s | 8.31s | 8.31s | (7.08s) | 8.56s | (10.33s) | 8.07s |
| First round | #5 | 8.59s | 8.87s | 9.01s | (12.52s) | 8.76s | (8.59s) | 8.83s |
4x4x4 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #6 | 28.65s | 31.64s | (28.65s) | 32.06s | 32.36s | (40.10s) | 30.49s |
5x5x5 Cube
| Round | # | Best | Average | Solves | ||||
|---|---|---|---|---|---|---|---|---|
| Final | #2 | 46.11s | 51.02s | 52.37s | 50.14s | 50.56s | (53.31s) | (46.11s) |
| First round | #2 | 45.73s | 48.35s | (45.73s) | 49.84s | 47.53s | (54.30s) | 47.69s |
PBs Achieved
| Event | Type | Previous PB | New PB | Improvement |
|---|---|---|---|---|
| 4x4x4 Cube | Average | First official result | 31.64s | — |
| 4x4x4 Cube | Single | First official result | 28.65s | — |
| 5x5x5 Cube | Average | 49.12s | 48.35s | -0.77s |
✉️
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