In the past year (2025), Chang Guo (郭畅) competed in 8 competitions and 48 rounds across 13 events, from Apr 19th to Dec 28th.
Solves/Attempts
He attempted 224 solves and completed 219.
| Event | Solves | Attempts |
| 3x3x3 Cube | 45 | 45 |
| 3x3x3 One-Handed | 35 | 35 |
| 4x4x4 Cube | 25 | 25 |
| 2x2x2 Cube | 20 | 20 |
| 5x5x5 Cube | 20 | 20 |
| Clock | 17 | 20 |
| Pyraminx | 15 | 15 |
| 6x6x6 Cube | 12 | 12 |
| Skewb | 10 | 10 |
| 7x7x7 Cube | 9 | 9 |
| Megaminx | 5 | 5 |
| Square-1 | 5 | 5 |
| 3x3x3 Fewest Moves | 1 | 3 |
Personal Bests
He broke his personal best 55 times across 13 events, including 24 singles and 31 averages.
| Event | Times | Single | Average |
| 6x6x6 Cube | 8 | 4 | 4 |
| Clock | 8 | 4 | 4 |
| 3x3x3 Cube | 7 | 2 | 5 |
| 5x5x5 Cube | 5 | 1 | 4 |
| 3x3x3 One-Handed | 5 | 2 | 3 |
| 4x4x4 Cube | 4 | 2 | 2 |
| 7x7x7 Cube | 4 | 2 | 2 |
| Skewb | 4 | 2 | 2 |
| 2x2x2 Cube | 3 | 1 | 2 |
| Megaminx | 2 | 1 | 1 |
| Pyraminx | 2 | 1 | 1 |
| Square-1 | 2 | 1 | 1 |
| 3x3x3 Fewest Moves | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 5x5x5 Cube | 1:11.81 | 57.22 | 14.59 (25.50%) |
| 4x4x4 Cube | 33.01 | 27.14 | 5.87 (21.63%) |
| 3x3x3 One-Handed | 15.12 | 13.03 | 2.09 (16.04%) |
| 3x3x3 Cube | 8.28 | 7.82 | 0.46 (5.88%) |
| 6x6x6 Cube | - | 1:49.88 | - |
| Clock | - | 5.48 | - |
| 7x7x7 Cube | - | 2:38.43 | - |
| Skewb | - | 5.23 | - |
| 2x2x2 Cube | - | 2.30 | - |
| Megaminx | - | 1:11.17 | - |
| Pyraminx | - | 4.00 | - |
| Square-1 | - | 25.41 | - |
| 3x3x3 Fewest Moves | - | 47 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 5x5x5 Cube | 1:19.21 | 1:01.97 | 17.24 (27.82%) |
| 3x3x3 One-Handed | 17.56 | 15.62 | 1.94 (12.42%) |
| 4x4x4 Cube | 36.96 | 34.70 | 2.26 (6.51%) |
| 3x3x3 Cube | 9.93 | 9.34 | 0.59 (6.32%) |
| 6x6x6 Cube | - | 1:57.69 | - |
| Clock | - | 6.11 | - |
| 7x7x7 Cube | - | 2:53.92 | - |
| Skewb | - | 6.98 | - |
| 2x2x2 Cube | - | 3.25 | - |
| Megaminx | - | 1:16.54 | - |
| Pyraminx | - | 6.38 | - |
| Square-1 | - | 27.61 | - |
Cubers
He met 1007 cubers from 21 countries/regions, 240 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 767 |
| 2 | 145 |
| 3 | 50 |
| 4 | 27 |
| 5 | 13 |
| 6 | 3 |
| 7 | 2 |
| All | 1007 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 5 cities while competing.
| City | Times |
| Zhengzhou | 3 |
| Huzhou | 1 |
| Lishui | 1 |
| Taizhou | 1 |
| Hangzhou | 1 |
