People · China
Jiajian Xu (徐家健)
3×3 · top 11.8% of 284,439 all-time · competing since May 2012 · 2012XUJI01
Jiajian Xu (徐家健) has been competing for 14 years. His best event is the 3×3: a personal-best single of 11.40, set at Guangzhou HEMC Cubing Movement 2012, puts him in the top 11.8% of the 284,439 people who have ever been ranked in the event, and 4,637th in China. Across 9 competitions since May 2012, he has put 216 official solves on the record across seven events. Solve to solve, his 3×3 times vary about 12% around a typical one, steadier than 77% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 17.11 in May 2012 to 11.40, a 33% improvement. Jiajian has entered nine competitions, more competitions than 91% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | China | |
|---|---|---|---|---|---|
| 3×3 | 11.40 | 14.14 | top 11.8% | 4,637 / 28,153 | |
| 3×3 one-handed | 16.98 | 19.99 | top 12.5% | 1,228 / 5,922 | |
| 4×4 | 46.57 | 58.87 | top 20.3% | 2,183 / 5,926 | |
| 2×2 | 4.61 | 7.82 | top 34.4% | 5,891 / 15,796 | |
| 5×5 | 1:49.91 | 2:05.54 | top 42.5% | 1,883 / 2,816 | |
| Pyraminx | 12.55 | 13.84 | top 70.5% | 7,086 / 10,224 | |
| 3×3 Fewest Moves | 47 moves | — | early days — 1 solve | 837 / 1,058 |
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
- 26 May 2013Three personal bests in one day at Guangzhou SCAU Open 2013.
- 9 Dec 2012First sub-15 3×3: 13.20 at Guangzhou HEMC Cubing Movement 2012.
- 9 Dec 2012Seven personal bests in one day at Guangzhou HEMC Cubing Movement 2012.
- 18 Aug 2012Three personal bests in one day at Guangdong Open 2012.
- 27 May 2012First competition: Guangzhou SCAU 2012. A 17.83 3×3 single to start from.
Competitions
- Guangdong Open 2014 · 1 Oct 2014 — 1 personal best set
- Guangdong Open 2013 · 1 Oct 2013
- Guangzhou CCSA Championship 2013 · 22 Jul 2013 — 2 personal bests set
- Guangzhou SCAU Open 2013 · 26 May 2013 — 3 personal bests set
- Guangzhou Rubik's Cube Day 2013 · 1 May 2013 — 1 personal best set
- Guangzhou Fewest Moves 2012 · 30 Dec 2012 — 1 personal best set
- Guangzhou HEMC Cubing Movement 2012 · 9 Dec 2012 — 7 personal bests set
- Guangdong Open 2012 · 18 Aug 2012 — 3 personal bests set
- Guangzhou SCAU 2012 · 27 May 2012 — 1 personal best set
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.
- Weixing Zhang (张炜星) — met in 42 rounds, finished ahead twice
- Jiacheng Peng (彭家诚) — met in 37 rounds, finished ahead 18 times
- Xusheng Hong (洪旭升) — met in 34 rounds, finished ahead 25 times
Next targets
- A sub-10 3×3 single — 21,172 people have one; it is 1.40 away.
- A sub-15 3×3 one-handed single — 5,987 people have one; it is 1.98 away.
Targets move as he improves.