In the past year (2025), Hajin Cho (조하진) competed in 3 competitions and 12 rounds across 7 events, from Apr 5th to Aug 17th.
Solves/Attempts
He attempted 45 solves and completed 41.
| Event | Solves | Attempts |
| Pyraminx | 15 | 15 |
| 3x3x3 Cube | 10 | 10 |
| 2x2x2 Cube | 5 | 5 |
| Skewb | 5 | 5 |
| Clock | 4 | 4 |
| Megaminx | 2 | 4 |
| Square-1 | 0 | 2 |
Personal Bests
He broke his personal best 11 times across 6 events, including 8 singles and 3 averages.
| Event | Times | Single | Average |
| Pyraminx | 3 | 2 | 1 |
| 3x3x3 Cube | 2 | 1 | 1 |
| 2x2x2 Cube | 2 | 1 | 1 |
| Clock | 2 | 2 | 0 |
| Megaminx | 1 | 1 | 0 |
| Skewb | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 21.07 | 11.05 | 10.02 (90.68%) |
| Skewb | 23.68 | 13.01 | 10.67 (82.01%) |
| 2x2x2 Cube | 9.88 | 9.23 | 0.65 (7.04%) |
| 3x3x3 Cube | 25.04 | 24.54 | 0.50 (2.04%) |
| Clock | - | 24.65 | - |
| Megaminx | - | 3:22.63 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 2x2x2 Cube | 14.60 | 10.04 | 4.56 (45.42%) |
| 3x3x3 Cube | 32.01 | 28.66 | 3.35 (11.69%) |
| Pyraminx | - | 13.37 | - |
Cubers
He met 466 cubers from 9 countries/regions, 133 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 333 |
| 2 | 97 |
| 3 | 36 |
| All | 466 |
Regions
He competed in 1 country/region.