In the past year (2025), Congcong Zhu (朱聪聪) competed in 2 competitions and 7 rounds across 4 events, from Sep 13th to Nov 16th.
Solves/Attempts
He attempted 32 solves and completed 32.
| Event | Solves | Attempts |
| 3x3x3 Cube | 15 | 15 |
| 3x3x3 One-Handed | 10 | 10 |
| 2x2x2 Cube | 5 | 5 |
| 4x4x4 Cube | 2 | 2 |
Personal Bests
He broke his personal best 9 times across 3 events, including 5 singles and 4 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 6 | 3 | 3 |
| 3x3x3 One-Handed | 2 | 1 | 1 |
| 4x4x4 Cube | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 12.44 | 10.07 | 2.37 (23.54%) |
| 4x4x4 Cube | 1:03.02 | 58.00 | 5.02 (8.66%) |
| 3x3x3 One-Handed | 20.76 | 19.30 | 1.46 (7.56%) |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 14.46 | 10.72 | 3.74 (34.89%) |
| 3x3x3 One-Handed | 23.54 | 22.62 | 0.92 (4.07%) |
Cubers
He met 347 cubers from 9 countries/regions, 24 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 323 |
| 2 | 24 |
| All | 347 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 2 cities while competing.
| City | Times |
| Ningbo | 1 |
| Xuzhou | 1 |
