In the past year (2025), Chengyang Du (杜成洋) competed in 10 competitions and 66 rounds across 9 events, from Jan 4th to Dec 28th.
Solves/Attempts
He attempted 330 solves and completed 315.
| Event | Solves | Attempts |
| Pyraminx | 80 | 85 |
| Skewb | 75 | 75 |
| 3x3x3 Cube | 39 | 40 |
| Megaminx | 35 | 35 |
| Clock | 32 | 40 |
| Square-1 | 29 | 30 |
| 2x2x2 Cube | 15 | 15 |
| 4x4x4 Cube | 5 | 5 |
| 3x3x3 One-Handed | 5 | 5 |
Personal Bests
He broke his personal best 38 times across 9 events, including 17 singles and 21 averages.
| Event | Times | Single | Average |
| Pyraminx | 9 | 4 | 5 |
| Megaminx | 8 | 4 | 4 |
| Clock | 5 | 2 | 3 |
| Skewb | 5 | 2 | 3 |
| Square-1 | 5 | 3 | 2 |
| 3x3x3 Cube | 2 | 1 | 1 |
| 3x3x3 One-Handed | 2 | 1 | 1 |
| 2x2x2 Cube | 1 | 0 | 1 |
| 4x4x4 Cube | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 2.51 | 1.75 | 0.76 (43.43%) |
| Megaminx | 1:01.39 | 44.88 | 16.51 (36.79%) |
| Square-1 | 14.90 | 11.42 | 3.48 (30.47%) |
| Skewb | 3.43 | 2.79 | 0.64 (22.94%) |
| 3x3x3 One-Handed | 23.49 | 20.39 | 3.10 (15.20%) |
| Clock | 4.53 | 4.31 | 0.22 (5.10%) |
| 3x3x3 Cube | 9.76 | 9.62 | 0.14 (1.46%) |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 3.70 | 2.72 | 0.98 (36.03%) |
| Square-1 | 20.49 | 15.46 | 5.03 (32.54%) |
| Clock | 6.92 | 5.37 | 1.55 (28.86%) |
| Skewb | 5.03 | 3.96 | 1.07 (27.02%) |
| Megaminx | 1:04.25 | 50.81 | 13.44 (26.45%) |
| 2x2x2 Cube | 5.05 | 4.42 | 0.63 (14.25%) |
| 3x3x3 One-Handed | 26.02 | 23.83 | 2.19 (9.19%) |
| 4x4x4 Cube | 59.43 | 55.16 | 4.27 (7.74%) |
| 3x3x3 Cube | 12.86 | 11.97 | 0.89 (7.44%) |
Cubers
He met 1120 cubers from 8 countries/regions, 227 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 893 |
| 2 | 138 |
| 3 | 52 |
| 4 | 19 |
| 5 | 10 |
| 6 | 6 |
| 7 | 2 |
| All | 1120 |
Regions
He competed in 2 countries/regions.
| Region | Times |
| China | 9 |
| Hong Kong | 1 |
Cities
In China, he visited 7 cities while competing.
| City | Times |
| Zhengzhou | 3 |
| Xi'an | 2 |
| Hong Kong | 1 |
| Kunming | 1 |
| Chongqing | 1 |
| Luoyang | 1 |
| Nanchang | 1 |
