People · China
Congkai Ruan (阮琮凯)
2×2 · top 3.7% of 186,767 all-time · competing since October 2016 · 2016RUAN01
Congkai Ruan (阮琮凯) has been competing for 10 years. His best event is the 2×2: a personal-best single of 1.83, set at Guangdong Open 2018, puts him in the top 3.7% of the 186,767 people who have ever been ranked in the event, and 497th in China. Until February 2008, no official 2×2 solve in the world had been that fast. Across 4 competitions since October 2016, he has put 90 official solves on the record across four events. Solve to solve, his 3×3 times vary about 17% around a typical one, an early reading from 8 counted rounds. His 2×2 best has come down from 5.59 in October 2016 to 1.83, a 67% improvement. Congkai has entered four competitions, more competitions than 78% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | China | |
|---|---|---|---|---|---|
| 2×2 | 1.83 | 3.85 | top 3.7% | 497 / 15,796 | |
| 3×3 | 9.89 | 11.51 | top 7.1% | 2,782 / 28,153 | |
| Pyraminx | 8.89 | 11.52 | top 43.9% | 4,682 / 10,224 | |
| Skewb | 13.27 | 15.51 | top 71.8% | 3,754 / 5,004 |
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, 2×2. Faster is higher — the axis is the right way up.
The story so far
- 30 Apr 2018First sub-10 3×3: 9.89 at Guangdong Open 2018.
- 4 Nov 2017Four personal bests in one day at Zhongshan Open 2017.
- 1 Oct 2016First competition: Asian Championship 2016. A 14.96 3×3 single to start from.
Competitions
- Guangdong Open 2018 · 30 Apr 2018 — 2 personal bests set
- GDSY Open 2018 · 24 Mar 2018 — 1 personal best set
- Zhongshan Open 2017 · 4 Nov 2017 — 4 personal bests set
- Asian Championship 2016 · 1 Oct 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.
- Lincheng Cai (蔡林成) — met in 15 rounds, finished ahead 8 times
- Kaiyi Li (李铠驿) — met in 15 rounds, finished ahead 3 times
- Zicong Weng (翁子聪) — met in 14 rounds, finished ahead 11 times
Next targets
- A sub-1 2×2 single — 1,032 people have one; it is 0.83 away.
- A sub-8 3×3 single — 7,931 people have one; it is 1.89 away.
Targets move as he improves.