In the past year (2018), Yiyun Chen (陈毅昀) competed in 13 competitions and 71 rounds across 8 events, from Feb 10th to Nov 11th.
Podiums
He has been on the podium 2 times across 2 events, and both were bronzes.
| Event | Gold | Silver | Bronze |
| 2x2x2 Cube | | | 1 |
| Clock | | | 1 |
Solves/Attempts
He attempted 355 solves and completed 351.
| Event | Solves | Attempts |
| 3x3x3 Cube | 134 | 135 |
| 3x3x3 One-Handed | 79 | 80 |
| 2x2x2 Cube | 70 | 70 |
| Megaminx | 35 | 35 |
| 4x4x4 Cube | 15 | 15 |
| 3x3x3 With Feet | 9 | 10 |
| Pyraminx | 5 | 5 |
| Clock | 4 | 5 |
Personal Bests
He broke his personal best 32 times across 5 events, including 16 singles and 16 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 16 | 8 | 8 |
| Megaminx | 6 | 3 | 3 |
| 4x4x4 Cube | 4 | 2 | 2 |
| 3x3x3 With Feet | 4 | 2 | 2 |
| Clock | 2 | 1 | 1 |
Improvements of Single
| Event | ≤2017 | 2018 | Improvement |
| 3x3x3 Cube | 13.12 | 9.07 | 4.05 (44.65%) |
| 4x4x4 Cube | 56.19 | 46.80 | 9.39 (20.06%) |
| Megaminx | - | 54.35 | - |
| 3x3x3 With Feet | - | 58.82 | - |
| Clock | - | 10.79 | - |
Improvements of Average
| Event | ≤2017 | 2018 | Improvement |
| 4x4x4 Cube | 1:10.26 | 51.62 | 18.64 (36.11%) |
| 3x3x3 Cube | 16.05 | 12.62 | 3.43 (27.18%) |
| Megaminx | - | 1:03.22 | - |
| 3x3x3 With Feet | - | 1:09.45 | - |
| Clock | - | 11.71 | - |
Cubers
He met 1169 cubers from 6 countries/regions, 328 of whom competed with him more than once. Ming Zheng (郑鸣) was the only one who accompanied the whole 13 competitions.
| Shared Competitions | Competitors |
| 1 | 841 |
| 2 | 167 |
| 3 | 73 |
| 4 | 33 |
| 5 | 21 |
| 6 | 15 |
| 7 | 9 |
| 8 | 5 |
| 9 | 1 |
| 10 | 1 |
| 11 | 1 |
| 12 | 1 |
| 13 | 1 |
| All | 1169 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 11 cities while competing.
| City | Times |
| Guangzhou | 2 |
| Zhuhai | 2 |
| Yangjiang | 1 |
| Dongguan | 1 |
| Meizhou | 1 |
| Shenzhen | 1 |
| Huizhou | 1 |
| Zhongshan | 1 |
| Jieyang | 1 |
| Zhanjiang | 1 |
| Maoming | 1 |
