In the past year (2025), Isaac Willemssen competed in 5 competitions and 45 rounds across 12 events, from Feb 1st to Nov 8th.
Solves/Attempts
He attempted 198 solves and completed 195.
| Event | Solves | Attempts |
| 3x3x3 Cube | 50 | 50 |
| Pyraminx | 40 | 40 |
| Clock | 25 | 25 |
| Skewb | 20 | 20 |
| 2x2x2 Cube | 15 | 15 |
| 4x4x4 Cube | 15 | 15 |
| 3x3x3 One-Handed | 10 | 10 |
| Megaminx | 9 | 9 |
| 5x5x5 Cube | 7 | 7 |
| Square-1 | 4 | 4 |
| 6x6x6 Cube | 0 | 1 |
| 7x7x7 Cube | 0 | 2 |
Personal Bests
He broke his personal best 36 times across 9 events, including 20 singles and 16 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 7 | 3 | 4 |
| Pyraminx | 6 | 4 | 2 |
| 4x4x4 Cube | 5 | 2 | 3 |
| Clock | 5 | 2 | 3 |
| Megaminx | 4 | 3 | 1 |
| 2x2x2 Cube | 3 | 2 | 1 |
| 5x5x5 Cube | 3 | 2 | 1 |
| Skewb | 2 | 1 | 1 |
| Square-1 | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Pyraminx | 5.84 | 3.83 | 2.01 (52.48%) |
| Megaminx | 3:11.72 | 2:11.05 | 1:00.67 (46.30%) |
| 2x2x2 Cube | 3.42 | 2.48 | 0.94 (37.90%) |
| Clock | 17.68 | 13.74 | 3.94 (28.68%) |
| Skewb | 8.79 | 6.86 | 1.93 (28.13%) |
| 5x5x5 Cube | 2:25.39 | 1:53.98 | 31.41 (27.56%) |
| 4x4x4 Cube | 56.67 | 45.18 | 11.49 (25.43%) |
| 3x3x3 Cube | 11.74 | 9.50 | 2.24 (23.58%) |
| Square-1 | 43.91 | 39.96 | 3.95 (9.88%) |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Clock | 22.64 | 14.98 | 7.66 (51.13%) |
| Pyraminx | 8.17 | 5.88 | 2.29 (38.95%) |
| 4x4x4 Cube | 1:09.26 | 50.34 | 18.92 (37.58%) |
| 3x3x3 Cube | 13.45 | 10.53 | 2.92 (27.73%) |
| 5x5x5 Cube | 2:31.37 | 2:12.88 | 18.49 (13.91%) |
| 2x2x2 Cube | 4.32 | 4.04 | 0.28 (6.93%) |
| Skewb | 10.73 | 10.11 | 0.62 (6.13%) |
| Megaminx | - | 2:29.94 | - |
Cubers
He met 539 cubers from 14 countries/regions, 120 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 419 |
| 2 | 74 |
| 3 | 32 |
| 4 | 6 |
| 5 | 8 |
| All | 539 |
Regions
He competed in 1 country/region.
