In the past year (2025), Zhenghai Zu (祖正海) competed in 3 competitions and 18 rounds across 5 events, from Apr 4th to Nov 23rd.
Solves/Attempts
He attempted 71 solves and completed 62.
| Event | Solves | Attempts |
| 3x3x3 Cube | 30 | 30 |
| 3x3x3 One-Handed | 25 | 27 |
| 3x3x3 Blindfolded | 5 | 12 |
| 3x3x3 Fewest Moves | 1 | 1 |
| 3x3x3 Multi-Blind | 1 | 1 |
Personal Bests
He broke his personal best 13 times across 5 events, including 7 singles and 6 averages.
| Event | Times | Single | Average |
| 3x3x3 One-Handed | 5 | 1 | 4 |
| 3x3x3 Cube | 3 | 2 | 1 |
| 3x3x3 Blindfolded | 3 | 2 | 1 |
| 3x3x3 Fewest Moves | 1 | 1 | 0 |
| 3x3x3 Multi-Blind | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 9.42 | 8.48 | 0.94 (11.08%) |
| 3x3x3 One-Handed | 12.96 | 12.61 | 0.35 (2.78%) |
| 3x3x3 Blindfolded | - | 1:29.67 | - |
| 3x3x3 Fewest Moves | - | 56 | - |
| 3x3x3 Multi-Blind | - | 3/3 12:38 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 One-Handed | 15.77 | 13.94 | 1.83 (13.13%) |
| 3x3x3 Cube | 10.35 | 9.91 | 0.44 (4.44%) |
| 3x3x3 Blindfolded | - | 1:53.00 | - |
Cubers
He met 712 cubers from 8 countries/regions, 121 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 591 |
| 2 | 102 |
| 3 | 19 |
| All | 712 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 2 cities while competing.
| City | Times |
| Beijing | 2 |
| Xi'an | 1 |
