People · Brazil
Roney Sterza Marczak Filho
3×3 · top 15.5% of 284,439 all-time · competing since August 2025 · 2025FILH08
Roney Sterza Marczak Filho has been competing for a year. His best event is the 3×3: a personal-best single of 12.47, set at Joinville Open by Mueller 2025, puts him in the top 15.5% of the 284,439 people who have ever been ranked in the event, and 826th in Brazil. Across 2 competitions since August 2025, he has put 68 official solves on the record across nine events. His 3×3 best has come down from 15.80 in August 2025 to 12.47, a 21% improvement. Roney has entered two competitions.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | Brazil | |
|---|---|---|---|---|---|
| 3×3 | 12.47 | 17.42 | top 15.5% | 826 / 9,644 | |
| 2×2 | 3.93 | 5.10 | top 25.6% | 918 / 5,137 | |
| Megaminx | 1:38.64 | 1:44.34 | top 33.8% | 274 / 1,062 | |
| Clock | 12.10 | 13.60 | top 35.4% | 223 / 723 | |
| 3×3 one-handed | 27.62 | 31.46 | top 40.9% | 634 / 1,992 | |
| 5×5 | 1:55.81 | 2:11.41 | top 46.6% | 294 / 845 | |
| 4×4 | 1:16.82 | — | early days — 2 solves | 802 / 1,855 | |
| Pyraminx | 10.60 | 12.96 | top 57.6% | 1,467 / 3,208 | |
| Skewb | 11.66 | 13.68 | top 64.3% | 840 / 1,463 |
Percentile against all competitors ever ranked in each event, a fairer measure than raw rank, because the pools differ by a factor of ten.
The line so far
Best single per competition, 3×3. Faster is higher — the axis is the right way up.
The story so far
- 8 Nov 2025First sub-15 3×3: 12.47 at Joinville Open by Mueller 2025.
- 8 Nov 2025Five personal bests in one day at Joinville Open by Mueller 2025.
- 23 Aug 2025First competition: Presidente Prudente Open 2025. A 15.80 3×3 single to start from.
Competitions
- Joinville Open by Mueller 2025 · 8 Nov 2025 — 5 personal bests set
- Presidente Prudente Open 2025 · 23 Aug 2025
Reading this page: a single is one solve's time · an average is the middle three of five solves, best and worst discarded · a PB is a personal best · a DNF (did not finish) is an attempt with no valid result: a popped piece, an unsolved face, an over-limit memorisation · top X% compares against everyone ever ranked in that event, which is fairer than raw rank because event pools differ tenfold.
The circuit
The people whose scorecards keep turning up next to his.
- Francisco Guesser Humenhuk — met in 10 rounds, finished ahead 6 times
- Pedro Henrique Guerra Pereira — met in 10 rounds, finished ahead twice
- Francisco de Melo Demaria — met in 10 rounds, finished ahead once
Next targets
- A sub-12 3×3 single — 39,535 people have one; it is 0.47 away.
- A sub-3 2×2 single — 26,570 people have one; it is 0.93 away.
Targets move as he improves.