People · Japan
Kazuhito Okamoto (岡本一人)
3×3 · top 27.1% of 284,439 all-time · competing since March 2009 · 2009OKAM01
Kazuhito Okamoto (岡本一人) has been competing for 18 years. His best event is the 3×3: a personal-best single of 15.80, set at Kansai Mega Day 2025, puts him in the top 27.1% of the 284,439 people who have ever been ranked in the event, and 1,101st in Japan. Across 15 competitions since March 2009, he has put 112 official solves on the record across two events. Solve to solve, his 3×3 times vary about 10% around a typical one, steadier than 95% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 28.00 in March 2009 to 15.80, a 44% improvement. Kazuhito has entered 15 competitions, more competitions than 95% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | Japan | |
|---|---|---|---|---|---|
| 3×3 | 15.80 | 16.63 | top 27.1% | 1,101 / 3,329 | |
| 5×5 | 2:10.56 | — | early days — 2 solves | 288 / 420 |
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
- 27 Mar 2010First sub-20 3×3: 19.68 at Japan Open 2010.
- 28 Mar 2009First competition: Osaka Open 2009. A 28.00 3×3 single to start from.
Competitions
- Kansai Mega Day 2025 · 2 Nov 2025 — 1 personal best set
- Go x Go Kyoto 2023 · 12 Feb 2023 — 1 personal best set
- Kansai Summer 2019 · 1 Sep 2019 — 1 personal best set
- Kansai Open 2019 · 20 Apr 2019
- Kansai Open 2018 · 31 Mar 2018 — 2 personal bests set
- Kansai Open 2017 · 19 Mar 2017
- Kansai Open 2016 · 19 Mar 2016 — 1 personal best set
- Kansai Open 2015 · 28 Mar 2015 — 1 personal best set
- Kansai Open 2014 · 21 Mar 2014 — 1 personal best set
- Kansai Open 2013 · 23 Mar 2013 — 1 personal best set
- Kansai Open 2012 · 24 Mar 2012
- Japan Open 2011 · 30 Jul 2011 — 1 personal best set
- JRCA Kansai Spring 2010 · 29 May 2010
- Japan Open 2010 · 27 Mar 2010 — 1 personal best set
- Osaka Open 2009 · 28 Mar 2009
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.
- Takayuki Ookusa (大艸尊之) — met in 22 rounds, never finished ahead
- Sinpei Araki (荒木慎平) — met in 19 rounds, never finished ahead
- Ryuji Hamano (浜野竜二) — met in 18 rounds, finished ahead 5 times
Next targets
- A sub-15 3×3 single — 69,493 people have one; it is 0.80 away.
- A sub-2:00 5×5 single — 20,087 people have one; it is 10.56 away.
Targets move as he improves.