People · China
Zerong Zheng (郑泽荣)
3×3 one-handed · top 1.8% of 73,695 all-time · competing since May 2015 · 2015ZHEN06
Zerong Zheng (郑泽荣) has been competing for 11 years. His best event is the 3×3 one-handed: a personal-best single of 10.99, set at Shaoxing Open 2019, puts him in the top 1.8% of the 73,695 people who have ever been ranked in the event, and 152nd in China. Until July 2011, no official 3×3 one-handed solve in the world had been that fast. Across 13 competitions since May 2015, he has put 741 official solves on the record across eleven events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 86% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 12.95 in May 2015 to 7.43, a 43% improvement. Zerong has entered 13 competitions, more competitions than 94% 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 one-handed | 10.99 | 13.04 | top 1.8% | 152 / 5,922 | |
| 3×3 | 7.43 | 9.23 | top 1.9% | 664 / 28,153 | |
| 2×2 | 1.95 | 2.61 | top 4.4% | 597 / 15,796 | |
| 4×4 | 33.96 | 40.53 | top 5.8% | 581 / 5,926 | |
| Skewb | 3.86 | 6.06 | top 10.0% | 588 / 5,004 | |
| Pyraminx | 4.73 | 6.36 | top 11.6% | 1,383 / 10,224 | |
| 5×5 | 1:19.14 | 1:25.45 | top 18.4% | 882 / 2,816 | |
| Megaminx | 1:16.14 | 1:26.91 | top 19.4% | 585 / 1,678 | |
| 6×6 | 3:10.14 | 3:22.11 | early days — 3 solves | 891 / 1,349 | |
| 3×3 blindfolded | 3:53.27 | — | early days — 1 solve | 913 / 1,183 | |
| Clock | 21.46 | — | early days — 1 solve | 1,491 / 1,843 |
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
- 21 Dec 2019Three personal bests in one day at Shaoxing Open 2019.
- 26 Jul 2019Four personal bests in one day at China Championship 2019.
- 24 Nov 2018Three personal bests in one day at Wuhu Open 2018.
- 17 Nov 2018Four personal bests in one day at Nanjing Autumn 2018.
- 5 Aug 2018Five personal bests in one day at Longyan Open 2018.
- 16 Oct 2016First sub-10 3×3: 9.58 at TKK Open 2016.
Competitions
- Xuzhou Zenith 2026 · 11 Apr 2026
- Shaoxing Open 2019 · 21 Dec 2019 — 3 personal bests set
- Shanghai Open 2019 · 19 Oct 2019
- China Championship 2019 · 26 Jul 2019 — 4 personal bests set
- Longyan Open 2019 · 21 Jul 2019 — 1 personal best set
- Shijiazhuang Open 2019 · 30 Jun 2019 — 2 personal bests set
- Hefei Spring 2019 · 23 Mar 2019 — 1 personal best set
- Wuhu Open 2018 · 24 Nov 2018 — 3 personal bests set
- Nanjing Autumn 2018 · 17 Nov 2018 — 4 personal bests set
- Longyan Open 2018 · 5 Aug 2018 — 5 personal bests set
- Zhangzhou Open 2018 · 14 Jul 2018 — 2 personal bests set
- TKK Open 2016 · 16 Oct 2016 — 4 personal bests set
- Fuzhou Open 2015 · 24 May 2015 — 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.
- Xingkai Yin (尹星凯) — met in 60 rounds, finished ahead 16 times
- Xuming Wang (王旭明) — met in 58 rounds, finished ahead 24 times
- Zhiyuan Ma (马之元) — met in 49 rounds, finished ahead 32 times
Next targets
- A sub-10 3×3 one-handed single — 779 people have one; it is 0.99 away.
- A sub-6 3×3 single — 1,376 people have one; it is 1.43 away.
Targets move as he improves.