In the past year (2025), Jan Kaszczuk competed in 7 competitions and 35 rounds across 11 events, from Mar 22nd to Dec 14th.
Solves/Attempts
He attempted 146 solves and completed 128.
| Event | Solves | Attempts |
| 3x3x3 Cube | 44 | 45 |
| Skewb | 25 | 25 |
| 2x2x2 Cube | 23 | 25 |
| Pyraminx | 20 | 20 |
| 3x3x3 One-Handed | 5 | 5 |
| Square-1 | 3 | 4 |
| 4x4x4 Cube | 2 | 2 |
| 3x3x3 Blindfolded | 2 | 15 |
| Clock | 2 | 2 |
| Megaminx | 2 | 2 |
| 3x3x3 Multi-Blind | 0 | 1 |
Personal Bests
He broke his personal best 32 times across 10 events, including 19 singles and 13 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 9 | 4 | 5 |
| Pyraminx | 7 | 4 | 3 |
| Skewb | 5 | 3 | 2 |
| 2x2x2 Cube | 2 | 0 | 2 |
| 3x3x3 Blindfolded | 2 | 2 | 0 |
| 3x3x3 One-Handed | 2 | 1 | 1 |
| Square-1 | 2 | 2 | 0 |
| 4x4x4 Cube | 1 | 1 | 0 |
| Clock | 1 | 1 | 0 |
| Megaminx | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Skewb | 9.70 | 5.41 | 4.29 (79.30%) |
| 3x3x3 Cube | 17.74 | 11.29 | 6.45 (57.13%) |
| Pyraminx | 7.75 | 6.04 | 1.71 (28.31%) |
| 3x3x3 Blindfolded | - | 1:59.52 | - |
| 3x3x3 One-Handed | - | 27.00 | - |
| Square-1 | - | 38.27 | - |
| 4x4x4 Cube | - | 1:32.59 | - |
| Clock | - | 16.19 | - |
| Megaminx | - | 2:29.18 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 3x3x3 Cube | 20.16 | 13.70 | 6.46 (47.15%) |
| 2x2x2 Cube | 6.36 | 4.83 | 1.53 (31.68%) |
| Pyraminx | 9.98 | 7.60 | 2.38 (31.32%) |
| Skewb | 10.64 | 8.66 | 1.98 (22.86%) |
| 3x3x3 One-Handed | - | 32.86 | - |
Cubers
He met 482 cubers from 10 countries/regions, 169 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 313 |
| 2 | 74 |
| 3 | 32 |
| 4 | 23 |
| 5 | 30 |
| 6 | 4 |
| 7 | 6 |
| All | 482 |
Regions
He competed in 1 country/region.