In the past year (2025), Seunghyun Ku (구승현) competed in 6 competitions and 33 rounds across 9 events, from Feb 8th to Nov 30th.
Solves/Attempts
She attempted 145 solves and completed 143.
| Event | Solves | Attempts |
| 5x5x5 Cube | 25 | 25 |
| 3x3x3 Cube | 20 | 20 |
| 6x6x6 Cube | 18 | 18 |
| 4x4x4 Cube | 15 | 15 |
| Clock | 15 | 15 |
| Skewb | 15 | 15 |
| Pyraminx | 13 | 15 |
| 7x7x7 Cube | 12 | 12 |
| 2x2x2 Cube | 10 | 10 |
Personal Bests
She broke her personal best 37 times across 9 events, including 16 singles and 21 averages.
| Event | Times | Single | Average |
| 6x6x6 Cube | 7 | 4 | 3 |
| 3x3x3 Cube | 5 | 3 | 2 |
| 5x5x5 Cube | 5 | 1 | 4 |
| 7x7x7 Cube | 5 | 2 | 3 |
| Clock | 5 | 3 | 2 |
| 4x4x4 Cube | 4 | 1 | 3 |
| Pyraminx | 3 | 1 | 2 |
| Skewb | 2 | 1 | 1 |
| 2x2x2 Cube | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 17.17 | 11.25 | 5.92 (52.62%) |
| 7x7x7 Cube | 4:27.36 | 3:32.90 | 54.46 (25.58%) |
| 6x6x6 Cube | 2:43.42 | 2:26.10 | 17.32 (11.85%) |
| 5x5x5 Cube | 1:28.83 | 1:22.99 | 5.84 (7.04%) |
| 4x4x4 Cube | 48.69 | 48.18 | 0.51 (1.06%) |
| Clock | - | 17.79 | - |
| Pyraminx | - | 9.14 | - |
| Skewb | - | 15.11 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 5x5x5 Cube | 1:47.11 | 1:29.43 | 17.68 (19.77%) |
| 3x3x3 Cube | 19.31 | 16.23 | 3.08 (18.98%) |
| 4x4x4 Cube | 1:00.10 | 51.68 | 8.42 (16.29%) |
| 7x7x7 Cube | 4:34.84 | 3:56.81 | 38.03 (16.06%) |
| 2x2x2 Cube | 6.65 | 6.18 | 0.47 (7.61%) |
| 6x6x6 Cube | 2:52.11 | 2:40.08 | 12.03 (7.51%) |
| Clock | - | 19.24 | - |
| Pyraminx | - | 17.25 | - |
| Skewb | - | 20.75 | - |
Cubers
She met 280 cubers from 7 countries/regions, 73 of whom competed with her more than once.
| Shared Competitions | Competitors |
| 1 | 207 |
| 2 | 57 |
| 3 | 15 |
| 4 | 1 |
| All | 280 |
Regions
She competed in 2 countries/regions.
| Region | Times |
| Romania | 4 |
| Korea | 2 |
