In the past year (2025), Jack Tajchman competed in 2 competitions and 16 rounds across 6 events, from Jun 1st to Jun 7th.
Solves/Attempts
He attempted 77 solves and completed 74.
| Event | Solves | Attempts |
| 3x3x3 Cube | 30 | 30 |
| 3x3x3 One-Handed | 15 | 15 |
| 4x4x4 Cube | 14 | 15 |
| 2x2x2 Cube | 10 | 10 |
| Pyraminx | 4 | 5 |
| 5x5x5 Cube | 1 | 2 |
Personal Bests
He broke his personal best 18 times across 6 events, including 7 singles and 11 averages.
| Event | Times | Single | Average |
| 3x3x3 Cube | 7 | 3 | 4 |
| 3x3x3 One-Handed | 4 | 1 | 3 |
| 4x4x4 Cube | 3 | 1 | 2 |
| Pyraminx | 2 | 1 | 1 |
| 2x2x2 Cube | 1 | 0 | 1 |
| 5x5x5 Cube | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 4x4x4 Cube | 1:28.70 | 50.46 | 38.24 (75.78%) |
| 3x3x3 One-Handed | 27.84 | 21.29 | 6.55 (30.77%) |
| 3x3x3 Cube | 13.25 | 10.94 | 2.31 (21.12%) |
| Pyraminx | - | 10.66 | - |
| 5x5x5 Cube | - | 3:10.08 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 4x4x4 Cube | 1:33.53 | 1:02.44 | 31.09 (49.79%) |
| 3x3x3 Cube | 16.35 | 12.79 | 3.56 (27.83%) |
| 3x3x3 One-Handed | 34.68 | 27.41 | 7.27 (26.52%) |
| 2x2x2 Cube | 3.87 | 3.41 | 0.46 (13.49%) |
| Pyraminx | - | 15.54 | - |
Cubers
He met 157 cubers from 8 countries/regions, 10 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 147 |
| 2 | 10 |
| All | 157 |
Regions
He competed in 1 country/region.
