In the past year (2020), Jiazheng Zhao (赵家正) competed in 2 competitions and 23 rounds across 11 events, from Jan 25th to Feb 15th.
Solves/Attempts
He attempted 105 solves and completed 100.
| Event | Solves | Attempts |
| 3x3x3 Cube | 20 | 20 |
| 3x3x3 One-Handed | 20 | 20 |
| Megaminx | 15 | 15 |
| Skewb | 10 | 10 |
| 4x4x4 Cube | 9 | 10 |
| Clock | 8 | 10 |
| 2x2x2 Cube | 5 | 5 |
| 5x5x5 Cube | 5 | 5 |
| Square-1 | 4 | 5 |
| 6x6x6 Cube | 2 | 2 |
| 3x3x3 Blindfolded | 2 | 3 |
Personal Bests
He broke his personal best 8 times across 4 events, including 3 singles and 5 averages.
| Event | Times | Single | Average |
| Megaminx | 4 | 2 | 2 |
| 5x5x5 Cube | 2 | 1 | 1 |
| Clock | 1 | 0 | 1 |
| Skewb | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2019 | 2020 | Improvement |
| Megaminx | 1:03.89 | 56.22 | 7.67 (13.64%) |
| 5x5x5 Cube | 1:28.33 | 1:27.67 | 0.66 (0.75%) |
Improvements of Average
| Event | ≤2019 | 2020 | Improvement |
| Skewb | 7.31 | 6.48 | 0.83 (12.81%) |
| Megaminx | 1:09.73 | 1:04.36 | 5.37 (8.34%) |
| 5x5x5 Cube | 1:39.89 | 1:36.94 | 2.95 (3.04%) |
| Clock | 14.92 | 14.84 | 0.08 (0.54%) |
Cubers
He met 231 cubers from 12 countries/regions, 21 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 210 |
| 2 | 21 |
| All | 231 |
Regions
He competed in 1 country/region.
