In the past year (2025), Rainer Fürstenfeld competed in 11 competitions and 77 rounds across 14 events, from Jan 24th to Dec 6th.
Solves/Attempts
He attempted 312 solves and completed 278.
| Event | Solves | Attempts |
| 3x3x3 Cube | 75 | 75 |
| 4x4x4 Cube | 65 | 67 |
| 5x5x5 Cube | 30 | 32 |
| Skewb | 20 | 20 |
| 3x3x3 One-Handed | 17 | 17 |
| 2x2x2 Cube | 15 | 15 |
| Clock | 15 | 17 |
| 3x3x3 Blindfolded | 14 | 35 |
| Pyraminx | 10 | 10 |
| 6x6x6 Cube | 9 | 9 |
| 7x7x7 Cube | 3 | 3 |
| 3x3x3 Fewest Moves | 3 | 3 |
| 4x4x4 Blindfolded | 1 | 7 |
| 5x5x5 Blindfolded | 1 | 2 |
Personal Bests
He broke his personal best 38 times across 12 events, including 21 singles and 17 averages.
| Event | Times | Single | Average |
| 4x4x4 Cube | 6 | 4 | 2 |
| 3x3x3 One-Handed | 6 | 3 | 3 |
| 5x5x5 Cube | 4 | 2 | 2 |
| 6x6x6 Cube | 4 | 2 | 2 |
| Clock | 4 | 2 | 2 |
| Skewb | 4 | 1 | 3 |
| Pyraminx | 3 | 2 | 1 |
| 3x3x3 Blindfolded | 2 | 2 | 0 |
| 3x3x3 Fewest Moves | 2 | 1 | 1 |
| 7x7x7 Cube | 1 | 0 | 1 |
| 4x4x4 Blindfolded | 1 | 1 | 0 |
| 5x5x5 Blindfolded | 1 | 1 | 0 |
Improvements of Single
| Event | ≤2024 | 2025 | Improvement |
| Skewb | 13.26 | 7.54 | 5.72 (75.86%) |
| 4x4x4 Blindfolded | 17:54.00 | 12:27.00 | 5:27.00 (43.78%) |
| 3x3x3 Blindfolded | 2:52.74 | 2:21.98 | 30.76 (21.67%) |
| Pyraminx | 13.81 | 12.03 | 1.78 (14.80%) |
| 6x6x6 Cube | 5:03.80 | 4:27.24 | 36.56 (13.68%) |
| Clock | 18.21 | 16.18 | 2.03 (12.55%) |
| 4x4x4 Cube | 1:11.18 | 1:03.57 | 7.61 (11.97%) |
| 5x5x5 Cube | 2:36.40 | 2:26.13 | 10.27 (7.03%) |
| 3x3x3 One-Handed | - | 39.03 | - |
| 3x3x3 Fewest Moves | - | 45 | - |
| 5x5x5 Blindfolded | - | 39:34.00 | - |
Improvements of Average
| Event | ≤2024 | 2025 | Improvement |
| Clock | 27.24 | 17.70 | 9.54 (53.90%) |
| Skewb | 16.17 | 12.62 | 3.55 (28.13%) |
| 5x5x5 Cube | 3:12.16 | 2:40.60 | 31.56 (19.65%) |
| Pyraminx | 18.02 | 15.57 | 2.45 (15.74%) |
| 6x6x6 Cube | 5:31.52 | 4:46.60 | 44.92 (15.67%) |
| 4x4x4 Cube | 1:25.95 | 1:16.05 | 9.90 (13.02%) |
| 3x3x3 One-Handed | - | 49.79 | - |
| 3x3x3 Fewest Moves | - | 49.00 | - |
| 7x7x7 Cube | - | 7:45.58 | - |
Cubers
He met 725 cubers from 39 countries/regions, 202 of whom competed with him more than once.
| Shared Competitions | Competitors |
| 1 | 523 |
| 2 | 147 |
| 3 | 35 |
| 4 | 14 |
| 5 | 2 |
| 6 | 2 |
| 7 | 2 |
| All | 725 |
Regions
He competed in 2 countries/regions.
| Region | Times |
| Germany | 9 |
| Netherlands | 2 |