In the past year (2025), Yun-Kai Yeh (葉昀愷) competed in 9 competitions and 98 rounds across 13 events, from Mar 1st to Nov 30th.
Solves/Attempts
He attempted 451 solves and completed 444.
| Event | Solves | Attempts |
| 3x3x3 Cube | 94 | 95 |
| Skewb | 54 | 55 |
| 2x2x2 Cube | 48 | 50 |
| 5x5x5 Cube | 45 | 45 |
| Pyraminx | 45 | 45 |
| 4x4x4 Cube | 43 | 45 |
| 3x3x3 One-Handed | 29 | 30 |
| 7x7x7 Cube | 27 | 27 |
| 6x6x6 Cube | 21 | 21 |
| Megaminx | 20 | 20 |
| Square-1 | 7 | 7 |
| 3x3x3 Fewest Moves | 6 | 6 |
| Clock | 5 | 5 |
Personal Bests
He broke his personal best 47 times across 12 events, including 19 singles and 28 averages.
| Event | Times | Single | Average |
| 5x5x5 Cube | 7 | 4 | 3 |
| 6x6x6 Cube | 7 | 4 | 3 |
| 7x7x7 Cube | 7 | 3 | 4 |
| 2x2x2 Cube | 4 | 0 | 4 |
| 3x3x3 Fewest Moves | 4 | 2 | 2 |
| Megaminx | 4 | 1 | 3 |
| Pyraminx | 4 | 2 | 2 |
| 4x4x4 Cube | 3 | 1 | 2 |
| 3x3x3 Cube | 2 | 0 | 2 |
| 3x3x3 One-Handed | 2 | 1 | 1 |
| Square-1 | 2 | 1 | 1 |
| Skewb | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 4x4x4 Cube | 32.56 | 26.09 | 6.47 (24.80%) |
| Square-1 | 26.70 | 21.99 | 4.71 (21.42%) |
| 7x7x7 Cube | 2:49.59 | 2:20.02 | 29.57 (21.12%) |
| 6x6x6 Cube | 1:52.99 | 1:36.79 | 16.20 (16.74%) |
| Pyraminx | 3.38 | 2.96 | 0.42 (14.19%) |
| 3x3x3 Fewest Moves | 41 | 37 | 4 (10.81%) |
| 5x5x5 Cube | 58.36 | 52.88 | 5.48 (10.36%) |
| 3x3x3 One-Handed | 16.08 | 15.42 | 0.66 (4.28%) |
| Megaminx | 1:06.00 | 1:04.24 | 1.76 (2.74%) |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Square-1 | 30.29 | 25.02 | 5.27 (21.06%) |
| 3x3x3 One-Handed | 19.99 | 17.03 | 2.96 (17.38%) |
| Pyraminx | 5.42 | 4.62 | 0.80 (17.32%) |
| 6x6x6 Cube | 2:03.07 | 1:45.36 | 17.71 (16.81%) |
| 7x7x7 Cube | 2:58.65 | 2:33.13 | 25.52 (16.67%) |
| 4x4x4 Cube | 36.57 | 32.24 | 4.33 (13.43%) |
| 2x2x2 Cube | 3.29 | 2.95 | 0.34 (11.53%) |
| Megaminx | 1:13.61 | 1:06.79 | 6.82 (10.21%) |
| 3x3x3 Cube | 8.85 | 8.20 | 0.65 (7.93%) |
| 5x5x5 Cube | 1:03.95 | 59.95 | 4.00 (6.67%) |
| Skewb | 5.48 | 5.16 | 0.32 (6.20%) |
| 3x3x3 Fewest Moves | - | 41.33 | - |
Cubers
He met 1282 cubers from 17 countries/regions, 321 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 961 |
| 2 | 147 |
| 3 | 71 |
| 4 | 49 |
| 5 | 21 |
| 6 | 13 |
| 7 | 16 |
| 8 | 4 |
| All | 1282 |
Regions
He competed in 2 countries/regions.
| Region | Times |
| Taiwan | 8 |
| Korea | 1 |
Cities
In China, he visited 5 cities while competing.
| City | Times |
| Taipei | 3 |
| Taoyuan | 1 |
| Taichung | 1 |
| New Taipei City | 1 |
| Tainan | 1 |
