People · China
Zidong Cheng (程紫东)
3×3 · top 22.2% of 288,433 all-time · competing since May 2016 · 2016CHEN45
Zidong Cheng (程紫东) has been competing for 10 years. Her best event is the 3×3: a personal-best single of 14.32, set at Cross-strait Cubing Exchange 2018, puts her in the top 22.2% of the 288,433 people who have ever been ranked in the event, and 8,642nd in China. Across 26 competitions since May 2016, she has put 257 official solves on the record across seven events. Solve to solve, her 3×3 times vary about 13% around a typical one, steadier than 59% of the 36,406 competitors with ten or more counted rounds. Her 3×3 best has come down from 26.18 in May 2016 to 14.32, a 45% improvement. Zidong has entered 26 competitions, more competitions than 98% 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 | 14.32 | 18.13 | top 22.2% | 8,642 / 28,499 | |
| 4×4 | 1:00.62 | 1:11.04 | top 37.2% | 3,707 / 5,999 | |
| Skewb | 8.16 | 10.49 | top 42.6% | 2,524 / 5,030 | |
| 3×3 one-handed | 42.01 | — | top 68.1% | 5,314 / 5,994 | |
| 5×5 | 2:44.43 | — | early days — 3 solves | 2,636 / 2,857 | |
| Pyraminx | 13.20 | 20.21 | top 74.0% | 7,420 / 10,269 | |
| Clock | 28.60 | — | early days — 1 solve | 1,726 / 1,887 |
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
- 6 Apr 2018First sub-15 3×3: 14.32 at Cross-strait Cubing Exchange 2018.
- 11 Dec 2016First sub-20 3×3: 19.35 at Weifang Winter 2016.
- 15 May 2016First competition: Weihai Open 2016. A 26.18 3×3 single to start from.
Competitions
- Hong Kong Cube Day 2019 · 26 Jan 2019
- Shantou Open 2018 · 28 Oct 2018 — 1 personal best set
- Shenzhen Open 2018 · 21 Jul 2018
- Huizhou Open 2018 · 1 Jul 2018
- Guilin Open 2018 · 10 Jun 2018 — 1 personal best set
- Zhongshan Children's Cube Day 2018 · 2 Jun 2018
- Guangdong Open 2018 · 30 Apr 2018
- Cross-strait Cubing Exchange 2018 · 6 Apr 2018 — 1 personal best set
- GDSY Open 2018 · 24 Mar 2018 — 1 personal best set
- Dongguan Open 2018 · 4 Mar 2018
- Yangjiang Open 2018 · 10 Feb 2018 — 2 personal bests set
- Big 'n Blind 2017 · 10 Dec 2017
- Shenzhen Open 2017 · 3 Dec 2017
- Zhongshan Open 2017 · 4 Nov 2017 — 1 personal best set
- China's 10th Anniversary Championship 2017 · 1 Oct 2017
- Beijing Open 2017 · 24 Jun 2017
- Fuzhou Open 2017 · 28 May 2017 — 1 personal best set
- Guangzhou SCUT 2017 · 22 Apr 2017
- Xi'an Cherry Blossom 2017 · 2 Apr 2017 — 1 personal best set
- GDSY Open 2017 · 26 Mar 2017
- Dongguan Open 2017 · 22 Jan 2017
- Xi'an New Year 2017 · 2 Jan 2017 — 2 personal bests set
- Weifang Winter 2016 · 11 Dec 2016 — 1 personal best set
- Asian Championship 2016 · 1 Oct 2016 — 1 personal best set
- Xi'an Open 2016 · 13 Aug 2016 — 1 personal best set
- Weihai Open 2016 · 15 May 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 her.
- Ming Zheng (郑鸣) — met in 49 rounds, finished ahead once
- Mok Man Kit (莫文傑) — met in 41 rounds, never finished ahead
- Lincheng Cai (蔡林成) — met in 38 rounds, never finished ahead
Next targets
- A sub-12 3×3 single — 40,277 people have one; it is 2.32 away.
- A sub-1:00 4×4 single — 31,087 people have one; it is 0.62 away.
Targets move as she improves.