In the past year (2019), Jiazheng Zhao (赵家正) competed in 9 competitions and 83 rounds across 15 events, from Feb 16th to Dec 21st.
Podiums
He has been on the podium 1 times across 1 event, which was a silver.
| Event | Gold | Silver | Bronze |
| 3x3x3 Blindfolded | | 1 | |
Solves/Attempts
He attempted 364 solves and completed 347.
| Event | Solves | Attempts |
| 3x3x3 Cube | 89 | 90 |
| 3x3x3 One-Handed | 47 | 50 |
| 2x2x2 Cube | 35 | 35 |
| 4x4x4 Cube | 30 | 30 |
| Skewb | 30 | 30 |
| Megaminx | 25 | 25 |
| 5x5x5 Cube | 19 | 20 |
| 3x3x3 Blindfolded | 16 | 24 |
| Pyraminx | 15 | 15 |
| Square-1 | 15 | 15 |
| Clock | 13 | 15 |
| 7x7x7 Cube | 6 | 6 |
| 6x6x6 Cube | 5 | 6 |
| 3x3x3 Multi-Blind | 1 | 1 |
| 3x3x3 With Feet | 1 | 2 |
Personal Bests
He broke his personal best 25 times across 10 events, including 13 singles and 12 averages.
| Event | Times | Single | Average |
| 4x4x4 Cube | 5 | 2 | 3 |
| 3x3x3 Blindfolded | 4 | 3 | 1 |
| Clock | 4 | 2 | 2 |
| 7x7x7 Cube | 3 | 2 | 1 |
| Megaminx | 3 | 1 | 2 |
| Square-1 | 2 | 1 | 1 |
| 3x3x3 Cube | 1 | 0 | 1 |
| 3x3x3 One-Handed | 1 | 0 | 1 |
| Skewb | 1 | 1 | 0 |
| 3x3x3 With Feet | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2018 | 2019 | Improvement |
| Clock | 16.15 | 12.88 | 3.27 (25.39%) |
| 4x4x4 Cube | 42.92 | 37.29 | 5.63 (15.10%) |
| 7x7x7 Cube | 5:49.53 | 5:04.69 | 44.84 (14.72%) |
| Square-1 | 22.88 | 20.79 | 2.09 (10.05%) |
| Megaminx | 1:08.86 | 1:03.89 | 4.97 (7.78%) |
| 3x3x3 Blindfolded | 1:28.52 | 1:22.87 | 5.65 (6.82%) |
| Skewb | 4.34 | 4.22 | 0.12 (2.84%) |
| 3x3x3 With Feet | - | 3:16.79 | - |
Improvements of Average
| Event | ≤2018 | 2019 | Improvement |
| Clock | 20.04 | 14.92 | 5.12 (34.32%) |
| 3x3x3 Blindfolded | 1:58.69 | 1:40.26 | 18.43 (18.38%) |
| Square-1 | 29.80 | 25.18 | 4.62 (18.35%) |
| Megaminx | 1:22.03 | 1:09.73 | 12.30 (17.64%) |
| 7x7x7 Cube | 6:24.57 | 5:30.51 | 54.06 (16.36%) |
| 4x4x4 Cube | 47.32 | 41.90 | 5.42 (12.94%) |
| 3x3x3 Cube | 11.65 | 11.25 | 0.40 (3.56%) |
| 3x3x3 One-Handed | 15.41 | 15.27 | 0.14 (0.92%) |
Cubers
He met 767 cubers from 25 countries/regions, 218 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 549 |
| 2 | 115 |
| 3 | 41 |
| 4 | 18 |
| 5 | 15 |
| 6 | 13 |
| 7 | 6 |
| 8 | 5 |
| 9 | 5 |
| All | 767 |
Regions
He competed in 1 country/region.
