People · Japan
Ryo Kozawa (小澤諒)
3×3 blindfolded · top 8.6% of 12,178 all-time · competing since August 2012 · 2012KOZA01
Ryo Kozawa (小澤諒) has been competing for 14 years. His best event is the 3×3 blindfolded: a personal-best single of 45.96, set at Asian Championship 2014, puts him in the top 8.6% of the 12,178 people who have ever been ranked in the event, and 43rd in Japan. Until July 2009, no official 3×3 blindfolded solve in the world had been that fast. Across 17 competitions since August 2012, he has put 215 official solves on the record across nine events. Solve to solve, his 3×3 times vary about 17% around a typical one; 97% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 14.58 in August 2012 to 11.88, a 19% improvement. Ryo has entered 17 competitions, more competitions than 96% 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 blindfolded | 45.96 | — | top 8.6% | 43 / 282 | |
| 3×3 | 11.88 | 13.09 | top 13.5% | 573 / 3,329 | |
| 4×4 | 49.09 | 1:01.64 | top 23.6% | 239 / 667 | |
| 3×3 Multi-Blind | 7 of 8 cubes · 55:05 | — | early days — 3 solves | 60 / 128 | |
| 2×2 | 4.66 | 5.93 | top 35.0% | 437 / 1,021 | |
| 3×3 one-handed | 25.30 | 30.75 | top 35.0% | 283 / 529 | |
| Clock | 12.33 | 13.27 | top 36.6% | 135 / 263 | |
| Pyraminx | 10.19 | 17.84 | top 54.5% | 469 / 688 | |
| 3×3 Fewest Moves | 47 moves | — | early days — 1 solve | 165 / 201 |
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
- 12 Aug 2023Three personal bests in one day at Rubik's WCA World Championship 2023.
- 1 Nov 2014Four personal bests in one day at Asian Championship 2014.
- 12 Aug 2012First competition: Kanto Open 2012. A 14.58 3×3 single to start from.
Competitions
- Rubik's WCA World Championship 2023 · 12 Aug 2023 — 3 personal bests set
- Please Be Quiet Tokyo 2019 · 31 Mar 2019
- 3x3x3 HanMaDang 2017 · 18 Feb 2017 — 1 personal best set
- Asian Championship 2014 · 1 Nov 2014 — 4 personal bests set
- Kawasaki Spring 2014 · 8 Jun 2014
- Kansai Open 2014 · 21 Mar 2014 — 2 personal bests set
- Kanto Open 2014 · 22 Feb 2014 — 1 personal best set
- Hokuriku Eve Open 2013 · 21 Dec 2013 — 1 personal best set
- UT Open 2013 · 24 Nov 2013 — 1 personal best set
- Kawasaki Autumn 2013 · 15 Sep 2013 — 1 personal best set
- Tachikawa 3x3 Fest 2013 · 11 Aug 2013 — 2 personal bests set
- Japan Open 2013 · 1 Jun 2013
- Japan Contest Spring 2013 · 14 Apr 2013
- Rabbit And Turtle 2013 · 9 Mar 2013
- UT Open 2012 · 25 Nov 2012
- Japan Contest 2012 · 4 Nov 2012
- Kanto Open 2012 · 12 Aug 2012
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.
- Yuhei Takagi (高木佑平) — met in 47 rounds, finished ahead 9 times
- Shuto Ueno (上野柊斗) — met in 39 rounds, finished ahead 12 times
- Taku Yanai (矢内拓) — met in 36 rounds, finished ahead 10 times
Next targets
- A sub-40 3×3 blindfolded single — 826 people have one; it is 5.96 away.
- A sub-10 3×3 single — 21,172 people have one; it is 1.88 away.
Targets move as he improves.