In the past year (2017), Zijian Cai (蔡子健) competed in 3 competitions and 28 rounds across 8 events, from Jul 9th to Dec 3rd.
Solves/Attempts
He attempted 137 solves and completed 136.
| Event | Solves | Attempts |
| 3x3x3 Cube | 44 | 45 |
| 2x2x2 Cube | 25 | 25 |
| Pyraminx | 20 | 20 |
| Skewb | 20 | 20 |
| 4x4x4 Cube | 10 | 10 |
| Megaminx | 10 | 10 |
| 3x3x3 One-Handed | 5 | 5 |
| Square-1 | 2 | 2 |
Personal Bests
He broke his personal best 31 times across 8 events, including 17 singles and 14 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 7 | 3 | 4 |
| Skewb | 6 | 3 | 3 |
| 2x2x2 Cube | 5 | 4 | 1 |
| Pyraminx | 5 | 3 | 2 |
| 4x4x4 Cube | 3 | 1 | 2 |
| 3x3x3 One-Handed | 2 | 1 | 1 |
| Megaminx | 2 | 1 | 1 |
| Square-1 | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2016 | 2017 | Improvement |
| 3x3x3 Cube | - | 8.80 | - |
| Skewb | - | 4.25 | - |
| 2x2x2 Cube | - | 2.76 | - |
| Pyraminx | - | 4.43 | - |
| 4x4x4 Cube | - | 46.70 | - |
| 3x3x3 One-Handed | - | 24.44 | - |
| Megaminx | - | 1:29.40 | - |
| Square-1 | - | 32.65 | - |
Improvements of Average
| Event | ≤2016 | 2017 | Improvement |
| 3x3x3 Cube | - | 10.84 | - |
| Skewb | - | 6.54 | - |
| 2x2x2 Cube | - | 4.62 | - |
| Pyraminx | - | 7.46 | - |
| 4x4x4 Cube | - | 49.45 | - |
| 3x3x3 One-Handed | - | 28.40 | - |
| Megaminx | - | 1:44.74 | - |
Cubers
He met 719 cubers from 11 countries/regions, 68 of whom competed with him more than once. Jiawei Wu (伍嘉维) was the only one who accompanied the whole 3 competitions.
| Shared Competitions | Competitors |
| 1 | 651 |
| 2 | 67 |
| 3 | 1 |
| All | 719 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 3 cities while competing.
| City | Times |
| Longyan | 1 |
| Guangzhou | 1 |
| Shenzhen | 1 |
