In the past year (2023), Jack Amster competed in 4 competitions and 14 rounds across 6 events, from Jun 3rd to Nov 19th.
Solves/Attempts
He attempted 61 solves and completed 58.
| Event | Solves | Attempts |
| 3x3x3 Cube | 25 | 25 |
| Pyraminx | 15 | 15 |
| 2x2x2 Cube | 10 | 10 |
| Skewb | 5 | 5 |
| 3x3x3 One-Handed | 3 | 4 |
| Megaminx | 0 | 2 |
Personal Bests
He broke his personal best 18 times across 5 events, including 10 singles and 8 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 6 | 3 | 3 |
| 2x2x2 Cube | 4 | 2 | 2 |
| Pyraminx | 4 | 2 | 2 |
| 3x3x3 One-Handed | 2 | 2 | 0 |
| Skewb | 2 | 1 | 1 |
Improvements of Single
| Event | ≤2022 | 2023 | Improvement |
| 3x3x3 Cube | - | 25.14 | - |
| 2x2x2 Cube | - | 7.05 | - |
| Pyraminx | - | 8.89 | - |
| 3x3x3 One-Handed | - | 1:45.41 | - |
| Skewb | - | 28.38 | - |
Improvements of Average
| Event | ≤2022 | 2023 | Improvement |
| 3x3x3 Cube | - | 30.73 | - |
| 2x2x2 Cube | - | 11.02 | - |
| Pyraminx | - | 16.37 | - |
| Skewb | - | 31.73 | - |
Cubers
He met 234 cubers from 4 countries/regions, 60 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 174 |
| 2 | 41 |
| 3 | 17 |
| 4 | 2 |
| All | 234 |
Regions
He competed in 1 country/region.
