People · China
Sikai Xu (徐思凯)
3×3 · top 12.2% of 284,439 all-time · competing since July 2011 · 2011XUSI01
Sikai Xu (徐思凯) has been competing for 15 years. His best event is the 3×3: a personal-best single of 11.52, set at Heilongjiang Open 2015, puts him in the top 12.2% of the 284,439 people who have ever been ranked in the event, and 4,822nd in China. Across 6 competitions since July 2011, he has put 131 official solves on the record across nine events. Solve to solve, his 3×3 times vary about 17% around a typical one, an early reading from 7 counted rounds. His 3×3 best has come down from 22.58 in July 2011 to 11.52, a 49% improvement. Sikai has entered six competitions, more competitions than 86% 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 | 11.52 | 14.84 | top 12.2% | 4,822 / 28,153 | |
| 3×3 one-handed | 21.29 | 28.12 | top 24.0% | 2,373 / 5,922 | |
| 5×5 | 1:27.45 | 1:37.03 | top 25.3% | 1,174 / 2,816 | |
| 4×4 | 51.39 | 56.49 | top 26.4% | 2,792 / 5,926 | |
| 2×2 | 4.76 | 8.06 | top 36.3% | 6,254 / 15,796 | |
| Megaminx | 2:01.49 | 2:24.10 | top 46.5% | 1,250 / 1,678 | |
| 7×7 | 4:53.04 | 5:07.84 | early days — 3 solves | 863 / 1,261 | |
| 6×6 | 3:18.25 | 3:30.27 | early days — 3 solves | 945 / 1,349 | |
| Pyraminx | 13.25 | 14.13 | top 74.3% | 7,398 / 10,224 |
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
- 20 Dec 2015First sub-15 3×3: 14.21 at Heilongjiang Open 2015.
- 20 Dec 2015Four personal bests in one day at Heilongjiang Open 2015.
- 9 Aug 2014First sub-20 3×3: 15.13 at Cross-strait Cubing Exchange 2014.
- 9 Aug 2014Three personal bests in one day at Cross-strait Cubing Exchange 2014.
- 31 Jul 2011First competition: Guangzhou Summer Vacation 2011. A 22.58 3×3 single to start from.
Competitions
- Changchun Open 2016 · 3 Jul 2016 — 1 personal best set
- Heilongjiang Open 2015 · 20 Dec 2015 — 4 personal bests set
- Beijing Open 2015 · 24 Oct 2015 — 1 personal best set
- Shenyang Open 2014 · 14 Dec 2014 — 2 personal bests set
- Cross-strait Cubing Exchange 2014 · 9 Aug 2014 — 3 personal bests set
- Guangzhou Summer Vacation 2011 · 31 Jul 2011
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.
- Siyu Sun (孙思雨) — met in 17 rounds, finished ahead 3 times
- Sheng Cao (曹晟) — met in 16 rounds, never finished ahead
- Yongtao Sun (孙永涛) — met in 15 rounds, finished ahead 10 times
Next targets
- A sub-10 3×3 single — 21,172 people have one; it is 1.52 away.
- A sub-20 3×3 one-handed single — 15,081 people have one; it is 1.29 away.
Targets move as he improves.