People · United States
Alfonsus Rahardjo
3×3 · top 0.79% of 284,439 all-time · competing since June 2016 · 2016RAHA02
Alfonsus Rahardjo has been competing for 10 years. His best event is the 3×3: a personal-best single of 6.43, set at Cube Against Cancer Colorado 2026, puts him in the top 0.79% of the 284,439 people who have ever been ranked in the event, and 512th in the United States. Until May 2011, no official 3×3 solve in the world had been that fast. Across 37 competitions since June 2016, he has put 1,222 official solves on the record across 15 events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 93% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 15.56 in June 2016 to 6.43, a 59% improvement. Alfonsus has entered 37 competitions, more competitions than 99% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | United States | |
|---|---|---|---|---|---|
| 3×3 | 6.43 | 8.91 | top 0.79% | 512 / 59,724 | |
| 2×2 | 1.27 | 1.94 | top 1.3% | 521 / 40,951 | |
| Pyraminx | 2.86 | 6.32 | top 3.2% | 846 / 28,708 | |
| Square-1 | 10.84 | 15.16 | top 7.6% | 556 / 6,743 | |
| 4×4 | 36.08 | 38.80 | top 7.7% | 1,181 / 19,072 | |
| 3×3 one-handed | 15.74 | 21.84 | top 9.6% | 1,279 / 15,683 | |
| Skewb | 4.50 | 6.62 | top 14.5% | 2,254 / 18,907 | |
| 5×5 | 1:17.75 | 1:23.48 | top 17.4% | 1,349 / 9,401 | |
| Megaminx | 1:23.20 | 1:35.38 | top 23.9% | 1,654 / 7,841 | |
| 3×3 blindfolded | 1:49.92 | 3:11.29 | top 29.9% | 620 / 2,092 | |
| 6×6 | 3:12.93 | 3:23.33 | top 47.2% | 1,767 / 4,196 | |
| 3×3 Fewest Moves | 41 moves | — | top 51.8% | 1,101 / 2,040 | |
| 3×3 Multi-Blind | 3 of 3 cubes · 25:22 | — | early days — 2 solves | 426 / 731 | |
| 7×7 | 5:40.86 | — | early days — 1 solve | 1,879 / 3,184 | |
| Clock | 19.50 | 24.10 | top 63.2% | 5,366 / 8,927 |
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
- 3 May 2026Three personal bests in one day at Cube Against Cancer Colorado 2026.
- 10 Aug 2025Three personal bests in one day at Commerce City Cup 2025.
- 23 Mar 2025Three personal bests in one day at Penn Cube Day Spring 2025.
- 22 Feb 2025Three personal bests in one day at PA-retzel Mania Winter 2025.
- 16 Jun 2018Three personal bests in one day at New Hope Open Spring 2018.
- 12 May 2018Three personal bests in one day at Lower Moreland Spring 2018.
Competitions
- Rocky Mountain Championship 2026 · 21 Aug 2026 — 2 personal bests set
- Pikes Peak AM 2026 · 25 Jul 2026 — 1 personal best set
- Denver Mini 2026 · 16 May 2026 — 1 personal best set
- Cube Against Cancer Colorado 2026 · 3 May 2026 — 3 personal bests set
- Wyominx 2026 · 28 Mar 2026 — 2 personal bests set
- Oredigger Open CO 2026 · 8 Feb 2026 — 2 personal bests set
- DeNxNver 2026 · 31 Jan 2026 — 1 personal best set
- 3x3s in 303 Colorado 2025 · 6 Dec 2025 — 2 personal bests set
- Oredigger Fall CO 2025 · 22 Nov 2025 — 2 personal bests set
- Colorado Trifecta 2025 · 27 Sep 2025 — 1 personal best set
- CubingUSA Mid-Atlantic Championship 2025 · 30 Aug 2025 — 1 personal best set
- Commerce City Cup 2025 · 10 Aug 2025 — 3 personal bests set
- Penn Cube Day Spring 2025 · 23 Mar 2025 — 3 personal bests set
- New-Cumberland County 2025 · 8 Mar 2025
- PA-retzel Mania Winter 2025 · 22 Feb 2025 — 3 personal bests set
- Puzzles in Pottsville 2025 · 18 Jan 2025 — 1 personal best set
- Happy Valley Fall PA 2024 · 1 Dec 2024 — 1 personal best set
- Cubing in the Ocean County 2024 · 29 Jun 2024
- Happy Valley Spring 2024 · 30 Mar 2024
- Happy Valley Fall 2022 · 3 Dec 2022
- Happy Valley Spring 2022 · 26 Mar 2022 — 2 personal bests set
- CubingUSA Nationals 2019 · 1 Aug 2019 — 2 personal bests set
- George School Open 2019 · 11 May 2019
- Penn Cube Day Spring 2019 · 20 Apr 2019 — 2 personal bests set
- Lower Moreland Winter 2019 · 16 Mar 2019 — 2 personal bests set
- Penn Cube Day Fall 2018 · 8 Dec 2018
- Lower Moreland Fall 2018 · 10 Nov 2018 — 2 personal bests set
- First State 2018 · 14 Jul 2018 — 2 personal bests set
- New Hope Open Spring 2018 · 16 Jun 2018 — 3 personal bests set
- Lower Moreland Spring 2018 · 12 May 2018 — 3 personal bests set
- No Place For DNF Spring 2018 · 7 Apr 2018 — 4 personal bests set
- UPenn Cube Day Fall 2017 · 22 Oct 2017 — 2 personal bests set
- Slow N Steady Summer 2017 · 1 Jul 2017 — 3 personal bests set
- Severna Park Fall 2016 · 29 Oct 2016 — 2 personal bests set
- Princeton Fall 2016 · 22 Oct 2016 — 2 personal bests set
- Melrose Summer 2016 · 23 Jul 2016 — 1 personal best set
- Cube4Cam 2016 · 4 Jun 2016
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.
- Livia Kleiner — met in 118 rounds, finished ahead 13 times
- Sula Mareska — met in 89 rounds, finished ahead 50 times
- AJ Kamal — met in 88 rounds, finished ahead 5 times
Next targets
- A sub-6 3×3 single — 1,376 people have one; it is 0.43 away.
- A sub-1 2×2 single — 1,032 people have one; it is 0.27 away.
Targets move as he improves.