In the past year (2025), HeeHwan Chai (채희환) competed in 3 competitions and 20 rounds across 7 events, from May 25th to Aug 17th.
Solves/Attempts
He attempted 100 solves and completed 96.
| Event | Solves | Attempts |
| 3x3x3 Cube | 30 | 30 |
| Skewb | 20 | 20 |
| Clock | 14 | 15 |
| 2x2x2 Cube | 13 | 15 |
| Pyraminx | 9 | 10 |
| 4x4x4 Cube | 5 | 5 |
| 5x5x5 Cube | 5 | 5 |
Personal Bests
He broke his personal best 13 times across 6 events, including 6 singles and 7 averages.
| Event | Times | Single | Average |
| Clock | 4 | 2 | 2 |
| 3x3x3 Cube | 3 | 1 | 2 |
| Pyraminx | 2 | 1 | 1 |
| Skewb | 2 | 1 | 1 |
| 2x2x2 Cube | 1 | 1 | 0 |
| 4x4x4 Cube | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Skewb | 7.13 | 4.46 | 2.67 (59.87%) |
| 2x2x2 Cube | 2.46 | 1.75 | 0.71 (40.57%) |
| Clock | 8.59 | 6.56 | 2.03 (30.95%) |
| 3x3x3 Cube | 11.33 | 8.93 | 2.40 (26.88%) |
| Pyraminx | - | 3.98 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 4x4x4 Cube | 1:09.00 | 1:01.02 | 7.98 (13.08%) |
| Clock | 9.40 | 8.48 | 0.92 (10.85%) |
| 3x3x3 Cube | 12.66 | 11.60 | 1.06 (9.14%) |
| Skewb | 7.71 | 7.53 | 0.18 (2.39%) |
| Pyraminx | - | 6.14 | - |
Cubers
He met 523 cubers from 8 countries/regions, 134 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 389 |
| 2 | 98 |
| 3 | 36 |
| All | 523 |
Regions
He competed in 1 country/region.
