In the past year (2021), Yongtao Sun (孙永涛) competed in 5 competitions and 23 rounds across 9 events, from Apr 3rd to May 23rd.
Solves/Attempts
He attempted 111 solves and completed 106.
| Event | Solves | Attempts |
| 3x3x3 Cube | 20 | 20 |
| Skewb | 20 | 20 |
| 2x2x2 Cube | 15 | 15 |
| Square-1 | 15 | 15 |
| Clock | 10 | 10 |
| Pyraminx | 10 | 10 |
| 4x4x4 Cube | 9 | 10 |
| 5x5x5 Cube | 5 | 5 |
| 3x3x3 Blindfolded | 2 | 6 |
Personal Bests
He broke his personal best 9 times across 4 events, including 3 singles and 6 averages.
| Event | Times | Single | Average |
| Square-1 | 4 | 2 | 2 |
| Skewb | 3 | 1 | 2 |
| 5x5x5 Cube | 1 | 0 | 1 |
| Clock | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2020 | 2021 | Improvement |
| Skewb | 4.87 | 4.09 | 0.78 (19.07%) |
| Square-1 | 18.86 | 16.54 | 2.32 (14.03%) |
Improvements of Average
| Event | ≤2020 | 2021 | Improvement |
| Skewb | 8.88 | 5.55 | 3.33 (60.00%) |
| Square-1 | 21.94 | 20.11 | 1.83 (9.10%) |
| 5x5x5 Cube | 1:36.15 | 1:33.06 | 3.09 (3.32%) |
| Clock | 15.17 | 15.15 | 0.02 (0.13%) |
Cubers
He met 432 cubers from 3 countries/regions, 101 of whom competed with him more than once. Bowen Xiao (肖博文) was the only one who accompanied the whole 5 competitions.
| Shared Competitions | Competitors |
| 1 | 331 |
| 2 | 84 |
| 3 | 11 |
| 4 | 5 |
| 5 | 1 |
| All | 432 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 3 cities while competing.
| City | Times |
| Beijing | 2 |
| Xi'an | 2 |
| Zhengzhou | 1 |
