People · China
Yexin Zhang (张业鑫)
Megaminx · top 5.7% of 34,786 all-time · competing since April 2013 · 2013ZHAN11
Yexin Zhang (张业鑫) has been competing for 13 years. His best event is the Megaminx: a personal-best single of 51.49, set at Wuhan Open 2021, puts him in the top 5.7% of the 34,786 people who have ever been ranked in the event, and 133rd in China. Until April 2010, no official Megaminx solve in the world had been that fast. Across 16 competitions since April 2013, he has put 472 official solves on the record across twelve events. Solve to solve, his 3×3 times vary about 10% around a typical one, steadier than 97% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 26.06 in April 2013 to 11.18, a 57% improvement. Yexin has entered 16 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 | China | |
|---|---|---|---|---|---|
| Megaminx | 51.49 | 58.86 | top 5.7% | 133 / 1,678 | |
| 4×4 | 36.71 | 43.37 | top 8.4% | 862 / 5,926 | |
| 3×3 | 11.18 | 11.69 | top 11.1% | 4,326 / 28,153 | |
| 2×2 | 3.04 | 4.95 | top 14.7% | 2,320 / 15,796 | |
| 3×3 one-handed | 19.34 | 24.12 | top 18.8% | 1,874 / 5,922 | |
| Skewb | 6.01 | 8.91 | top 25.8% | 1,600 / 5,004 | |
| 5×5 | 1:29.49 | 1:37.44 | top 26.8% | 1,243 / 2,816 | |
| Pyraminx | 6.88 | 8.10 | top 26.9% | 3,010 / 10,224 | |
| Clock | 15.68 | 18.04 | top 50.6% | 1,185 / 1,843 | |
| 7×7 | 5:18.31 | 5:35.05 | early days — 3 solves | 966 / 1,261 | |
| 6×6 | 3:35.56 | 3:45.48 | early days — 3 solves | 1,046 / 1,349 | |
| Square-1 | 45.18 | 51.38 | top 71.3% | 1,166 / 1,362 |
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.
- 5 Jun 2021Three personal bests in one day at Wuhan Open 2021.
- 25 Aug 2018Five personal bests in one day at Qianjiang Summer Open 2018.
- 28 Jul 2018Three personal bests in one day at Nanning Open 2018.
- 25 Nov 2017Four personal bests in one day at Jiaozuo Open 2017.
- 25 Mar 2017Three personal bests in one day at ZUA Open 2017.
Competitions
- Rubik's WCA World Championship 2023 · 12 Aug 2023 — 3 personal bests set
- Wuhan Open 2021 · 5 Jun 2021 — 3 personal bests set
- Xi'an New Year 2020 · 1 Jan 2020 — 1 personal best set
- Zhengzhou Open 2019 · 26 May 2019
- Anyang Open 2019 · 6 Apr 2019 — 1 personal best set
- Zhengzhou Open 2018 · 2 Dec 2018 — 1 personal best set
- Xuzhou Winter 2018 · 24 Nov 2018
- Qianjiang Summer Open 2018 · 25 Aug 2018 — 5 personal bests set
- Nanning Open 2018 · 28 Jul 2018 — 3 personal bests set
- Luoyang Spring 2018 · 15 Apr 2018 — 2 personal bests set
- Jiaozuo Open 2017 · 25 Nov 2017 — 4 personal bests set
- China Championship 2017 · 28 Jul 2017 — 2 personal bests set
- ZUA Open 2017 · 25 Mar 2017 — 3 personal bests set
- Asian Championship 2016 · 1 Oct 2016 — 5 personal bests set
- Chongqing Open 2014 · 9 Aug 2014 — 1 personal best set
- Zhengzhou Spring Open 2013 · 30 Apr 2013
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.
- Kaiyang Gao (高凯阳) — met in 51 rounds, finished ahead 10 times
- Xinyun Chen (陈新运) — met in 49 rounds, finished ahead 8 times
- Junze Zhao (赵俊泽) — met in 48 rounds, never finished ahead
Next targets
- A sub-50 Megaminx single — 1,776 people have one; it is 1.49 away.
- A sub-30 4×4 single — 2,388 people have one; it is 6.71 away.
Targets move as he improves.