In the past year (2025), Sylvester Efrem Slavet-Burr competed in 12 competitions and 49 rounds across 13 events, from Jan 23rd to Dec 13th.
Solves/Attempts
He attempted 220 solves and completed 212.
| Event | Solves | Attempts |
| 3x3x3 Cube | 60 | 60 |
| 4x4x4 Cube | 37 | 37 |
| 2x2x2 Cube | 29 | 30 |
| Clock | 22 | 24 |
| Square-1 | 20 | 20 |
| Pyraminx | 15 | 15 |
| 3x3x3 One-Handed | 10 | 10 |
| Skewb | 10 | 10 |
| Megaminx | 5 | 5 |
| 5x5x5 Cube | 2 | 2 |
| 6x6x6 Cube | 1 | 1 |
| 3x3x3 Blindfolded | 1 | 5 |
| 4x4x4 Blindfolded | 0 | 1 |
Personal Bests
He broke his personal best 47 times across 12 events, including 25 singles and 22 averages.
| Event | Times | Single | Average |
| 4x4x4 Cube | 10 | 5 | 5 |
| 3x3x3 Cube | 8 | 4 | 4 |
| 2x2x2 Cube | 6 | 3 | 3 |
| Clock | 5 | 3 | 2 |
| Pyraminx | 4 | 2 | 2 |
| Square-1 | 4 | 2 | 2 |
| Skewb | 3 | 1 | 2 |
| 3x3x3 One-Handed | 2 | 1 | 1 |
| Megaminx | 2 | 1 | 1 |
| 5x5x5 Cube | 1 | 1 | 0 |
| 6x6x6 Cube | 1 | 1 | 0 |
| 3x3x3 Blindfolded | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| 4x4x4 Cube | - | 51.67 | - |
| 3x3x3 Cube | - | 11.70 | - |
| 2x2x2 Cube | - | 4.53 | - |
| Clock | - | 9.30 | - |
| Pyraminx | - | 8.80 | - |
| Square-1 | - | 20.03 | - |
| Skewb | - | 8.99 | - |
| 3x3x3 One-Handed | - | 37.50 | - |
| Megaminx | - | 2:25.33 | - |
| 5x5x5 Cube | - | 2:16.08 | - |
| 6x6x6 Cube | - | 5:47.51 | - |
| 3x3x3 Blindfolded | - | 8:16.61 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| 4x4x4 Cube | - | 55.48 | - |
| 3x3x3 Cube | - | 14.67 | - |
| 2x2x2 Cube | - | 5.97 | - |
| Clock | - | 12.06 | - |
| Pyraminx | - | 14.03 | - |
| Square-1 | - | 31.67 | - |
| Skewb | - | 11.52 | - |
| 3x3x3 One-Handed | - | 42.57 | - |
| Megaminx | - | 2:42.35 | - |
Cubers
He met 636 cubers from 24 countries/regions, 163 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 473 |
| 2 | 101 |
| 3 | 21 |
| 4 | 16 |
| 5 | 10 |
| 6 | 3 |
| 7 | 1 |
| 8 | 6 |
| 9 | 3 |
| 11 | 2 |
| All | 636 |
Regions
He competed in 1 country/region.