In the past year (2025), William Jacks competed in 3 competitions and 21 rounds across 10 events, from Jan 24th to Jul 27th.
Solves/Attempts
He attempted 88 solves and completed 82.
| Event | Solves | Attempts |
| 3x3x3 Cube | 20 | 20 |
| Pyraminx | 15 | 15 |
| 2x2x2 Cube | 10 | 10 |
| Skewb | 10 | 10 |
| 4x4x4 Cube | 9 | 10 |
| Megaminx | 5 | 5 |
| Square-1 | 5 | 5 |
| 5x5x5 Cube | 4 | 4 |
| 3x3x3 One-Handed | 4 | 5 |
| 3x3x3 Blindfolded | 0 | 4 |
Personal Bests
He broke his personal best 25 times across 9 events, including 12 singles and 13 averages.
| Event | Times | Single | Average |
| 4x4x4 Cube | 4 | 2 | 2 |
| Pyraminx | 4 | 2 | 2 |
| Skewb | 4 | 2 | 2 |
| 3x3x3 Cube | 3 | 1 | 2 |
| 2x2x2 Cube | 2 | 0 | 2 |
| 5x5x5 Cube | 2 | 2 | 0 |
| 3x3x3 One-Handed | 2 | 1 | 1 |
| Megaminx | 2 | 1 | 1 |
| Square-1 | 2 | 1 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 4x4x4 Cube | 1:49.73 | 1:00.59 | 49.14 (81.10%) |
| 3x3x3 One-Handed | 47.10 | 27.98 | 19.12 (68.33%) |
| 3x3x3 Cube | 19.54 | 13.60 | 5.94 (43.68%) |
| Pyraminx | - | 8.00 | - |
| Skewb | - | 5.10 | - |
| 5x5x5 Cube | - | 2:24.10 | - |
| Megaminx | - | 2:02.87 | - |
| Square-1 | - | 39.36 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 25.21 | 18.83 | 6.38 (33.88%) |
| 2x2x2 Cube | 7.93 | 6.47 | 1.46 (22.57%) |
| 4x4x4 Cube | - | 1:11.16 | - |
| Pyraminx | - | 11.15 | - |
| Skewb | - | 9.10 | - |
| 3x3x3 One-Handed | - | 39.38 | - |
| Megaminx | - | 2:48.79 | - |
| Square-1 | - | 57.08 | - |
Cubers
He met 545 cubers from 26 countries/regions, 130 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 415 |
| 2 | 101 |
| 3 | 29 |
| All | 545 |
Regions
He competed in 1 country/region.
