In the past year (2025), Cheng-Yu Tsai (蔡承佑) competed in 9 competitions and 104 rounds across 13 events, from Mar 1st to Dec 21st.
Podiums
He has been on the podium 5 times across 2 events, including 1 gold, 1 silver, and 3 bronzes.
| Event | Gold | Silver | Bronze |
| Pyraminx | 1 | | 3 |
| Skewb | | 1 | |
Solves/Attempts
He attempted 506 solves and completed 500.
| Event | Solves | Attempts |
| 3x3x3 Cube | 103 | 105 |
| Pyraminx | 64 | 65 |
| Skewb | 60 | 60 |
| 2x2x2 Cube | 55 | 55 |
| 5x5x5 Cube | 50 | 50 |
| 4x4x4 Cube | 45 | 45 |
| Square-1 | 40 | 40 |
| 3x3x3 One-Handed | 30 | 30 |
| Megaminx | 25 | 25 |
| Clock | 17 | 20 |
| 6x6x6 Cube | 9 | 9 |
| 7x7x7 Cube | 1 | 1 |
| 3x3x3 Fewest Moves | 1 | 1 |
Personal Bests
He broke his personal best 60 times across 12 events, including 29 singles and 31 averages.
| Event | Times | Single | Average |
| 5x5x5 Cube | 12 | 6 | 6 |
| 3x3x3 Cube | 9 | 5 | 4 |
| Skewb | 8 | 3 | 5 |
| Square-1 | 8 | 4 | 4 |
| 4x4x4 Cube | 5 | 3 | 2 |
| 6x6x6 Cube | 5 | 3 | 2 |
| Clock | 4 | 2 | 2 |
| Megaminx | 4 | 1 | 3 |
| Pyraminx | 2 | 0 | 2 |
| 7x7x7 Cube | 1 | 1 | 0 |
| 3x3x3 Fewest Moves | 1 | 1 | 0 |
| 3x3x3 One-Handed | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Skewb | 5.85 | 3.35 | 2.50 (74.63%) |
| Clock | 12.27 | 7.15 | 5.12 (71.61%) |
| Megaminx | 1:11.83 | 56.46 | 15.37 (27.22%) |
| Square-1 | 10.73 | 8.53 | 2.20 (25.79%) |
| 5x5x5 Cube | 1:01.51 | 50.40 | 11.11 (22.04%) |
| 4x4x4 Cube | 30.62 | 26.48 | 4.14 (15.63%) |
| 3x3x3 Cube | 7.95 | 6.89 | 1.06 (15.38%) |
| 3x3x3 Fewest Moves | 39 | 38 | 1 (2.63%) |
| 6x6x6 Cube | - | 1:50.95 | - |
| 7x7x7 Cube | - | 3:59.10 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Clock | 16.32 | 7.73 | 8.59 (111.13%) |
| Skewb | 7.23 | 4.45 | 2.78 (62.47%) |
| Square-1 | 15.32 | 10.27 | 5.05 (49.17%) |
| Pyraminx | 2.91 | 2.28 | 0.63 (27.63%) |
| Megaminx | 1:22.31 | 1:10.28 | 12.03 (17.12%) |
| 5x5x5 Cube | 1:06.08 | 56.66 | 9.42 (16.63%) |
| 3x3x3 Cube | 9.37 | 8.11 | 1.26 (15.54%) |
| 4x4x4 Cube | 33.96 | 32.33 | 1.63 (5.04%) |
| 3x3x3 One-Handed | 16.07 | 15.99 | 0.08 (0.50%) |
| 6x6x6 Cube | - | 2:02.35 | - |
Cubers
He met 973 cubers from 14 countries/regions, 354 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 619 |
| 2 | 147 |
| 3 | 76 |
| 4 | 40 |
| 5 | 36 |
| 6 | 25 |
| 7 | 12 |
| 8 | 9 |
| 9 | 9 |
| All | 973 |
Regions
He competed in 1 country/region.
Cities
In China, he visited 7 cities while competing.
| City | Times |
| Taipei | 2 |
| New Taipei City | 1 |
| Kaohsiung | 1 |
| Taoyuan | 1 |
| Taichung | 1 |
| Hsinchu | 1 |
| Tainan | 1 |
