In the past year (2025), Zachary Erstein competed in 3 competitions and 18 rounds across 9 events, from Aug 9th to Dec 14th.
Solves/Attempts
He attempted 87 solves and completed 85.
| Event | Solves | Attempts |
| 3x3x3 Cube | 24 | 25 |
| 2x2x2 Cube | 19 | 20 |
| 4x4x4 Cube | 10 | 10 |
| Skewb | 10 | 10 |
| 3x3x3 One-Handed | 5 | 5 |
| Clock | 5 | 5 |
| Megaminx | 5 | 5 |
| Pyraminx | 5 | 5 |
| 5x5x5 Cube | 2 | 2 |
Personal Bests
He broke his personal best 23 times across 9 events, including 12 singles and 11 averages.
| Event | Times | Single | Average |
| 2x2x2 Cube | 6 | 3 | 3 |
| 3x3x3 Cube | 5 | 3 | 2 |
| 4x4x4 Cube | 2 | 1 | 1 |
| 3x3x3 One-Handed | 2 | 1 | 1 |
| Clock | 2 | 1 | 1 |
| Megaminx | 2 | 1 | 1 |
| Skewb | 2 | 1 | 1 |
| 5x5x5 Cube | 1 | 1 | 0 |
| Pyraminx | 1 | 0 | 1 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 2x2x2 Cube | 6.45 | 3.50 | 2.95 (84.29%) |
| Skewb | 12.25 | 11.03 | 1.22 (11.06%) |
| Clock | 16.63 | 15.29 | 1.34 (8.76%) |
| 3x3x3 Cube | 15.91 | 14.73 | 1.18 (8.01%) |
| 4x4x4 Cube | - | 1:05.38 | - |
| 3x3x3 One-Handed | - | 38.80 | - |
| Megaminx | - | 2:24.69 | - |
| 5x5x5 Cube | - | 2:52.87 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 2x2x2 Cube | 14.38 | 4.94 | 9.44 (191.09%) |
| 3x3x3 Cube | 23.27 | 16.78 | 6.49 (38.68%) |
| Pyraminx | 13.19 | 11.57 | 1.62 (14.00%) |
| Clock | 18.56 | 17.40 | 1.16 (6.67%) |
| Skewb | 19.92 | 19.53 | 0.39 (2.00%) |
| 4x4x4 Cube | - | 1:22.65 | - |
| 3x3x3 One-Handed | - | 48.23 | - |
| Megaminx | - | 2:55.52 | - |
Cubers
He met 237 cubers from 14 countries/regions, 57 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 180 |
| 2 | 42 |
| 3 | 15 |
| All | 237 |
Regions
He competed in 1 country/region.
