In the past year (2025), LJ Chang competed in 3 competitions and 10 rounds across 6 events, from Jan 18th to Dec 21st.
Solves/Attempts
He attempted 41 solves and completed 38.
| Event | Solves | Attempts |
| 2x2x2 Cube | 14 | 15 |
| 3x3x3 Cube | 13 | 15 |
| Pyraminx | 5 | 5 |
| 4x4x4 Cube | 2 | 2 |
| 5x5x5 Cube | 2 | 2 |
| Clock | 2 | 2 |
Personal Bests
He broke his personal best 8 times across 4 events, including 4 singles and 4 averages.
| Event | Times | Single | Average |
| 2x2x2 Cube | 4 | 1 | 3 |
| 3x3x3 Cube | 2 | 1 | 1 |
| 5x5x5 Cube | 1 | 1 | 0 |
| Clock | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 2x2x2 Cube | 5.12 | 4.54 | 0.58 (12.78%) |
| 3x3x3 Cube | 18.35 | 16.97 | 1.38 (8.13%) |
| 5x5x5 Cube | - | 3:26.94 | - |
| Clock | - | 28.76 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 2x2x2 Cube | 8.39 | 5.99 | 2.40 (40.07%) |
| 3x3x3 Cube | 21.50 | 20.05 | 1.45 (7.23%) |
Cubers
He met 527 cubers from 19 countries/regions, 13 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 514 |
| 2 | 13 |
| All | 527 |
Regions
He competed in 2 countries/regions.
Cities
In China, he visited 1 city while competing.
| City | Times |
| New Taipei City | 1 |
