In the past year (2025), Siheng Chen (陈思衡) competed in 2 competitions and 10 rounds across 6 events, from Apr 20th to Oct 26th.
Solves/Attempts
He attempted 46 solves and completed 45.
| Event | Solves | Attempts |
| 3x3x3 Cube | 10 | 10 |
| 4x4x4 Cube | 10 | 10 |
| 5x5x5 Cube | 10 | 10 |
| Clock | 9 | 10 |
| 6x6x6 Cube | 3 | 3 |
| 7x7x7 Cube | 3 | 3 |
Personal Bests
He broke his personal best 15 times across 6 events, including 8 singles and 7 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 4 | 2 | 2 |
| 4x4x4 Cube | 4 | 2 | 2 |
| 5x5x5 Cube | 2 | 1 | 1 |
| 6x6x6 Cube | 2 | 1 | 1 |
| 7x7x7 Cube | 2 | 1 | 1 |
| Clock | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 11.06 | 8.22 | 2.84 (34.55%) |
| Clock | 5.46 | 5.26 | 0.20 (3.80%) |
| 4x4x4 Cube | - | 35.96 | - |
| 5x5x5 Cube | - | 1:09.73 | - |
| 6x6x6 Cube | - | 2:14.86 | - |
| 7x7x7 Cube | - | 3:18.81 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 13.85 | 10.43 | 3.42 (32.79%) |
| 4x4x4 Cube | - | 43.81 | - |
| 5x5x5 Cube | - | 1:17.15 | - |
| 6x6x6 Cube | - | 2:22.06 | - |
| 7x7x7 Cube | - | 3:29.90 | - |
Cubers
He met 193 cubers from 3 countries/regions, 28 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 165 |
| 2 | 28 |
| All | 193 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 1 city while competing.