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People → China → Zheng Chen (陈政)

People · China

Zheng Chen (陈政)

Pyraminx · top 1.5% of 129,321 all-time · competing since October 2012 · 2012CHEN41

Zheng Chen (陈政) has been competing for 14 years. His best event is the Pyraminx: a personal-best single of 2.19, set at Wuxi Open 2017, puts him in the top 1.5% of the 129,321 people who have ever been ranked in the event, and 165th in China. Until July 2011, no official Pyraminx solve in the world had been that fast. Across 36 competitions since October 2012, he has put 1,039 official solves on the record across eight events. Solve to solve, his 3×3 times vary about 15% around a typical one; 86% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. His Pyraminx best has come down from 10.55 in October 2012 to 2.19, a 79% improvement. Zheng has entered 36 competitions, more competitions than 99% of everyone who has ever competed.

Pyraminx
best event — top 1.5% of 129,321 all-time
2.19
signature single · Wuxi Open 2017
1,039
official solves on the record
15%
solve-to-solve spread · wider than 86% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingChina
Pyraminx2.193.92
top 1.5%165 / 10,224
3×310.1013.51
top 7.8%3,018 / 28,153
4×442.2749.99
top 14.8%1,602 / 5,926
2×23.245.13
top 17.1%2,747 / 15,796
3×3 one-handed24.4534.15
top 32.7%3,152 / 5,922
Clock11.6012.91
top 33.1%784 / 1,843
Skewb7.5311.81
top 37.7%2,255 / 5,004
Square-135.4040.31
top 59.1%1,005 / 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

Nanjing Autumn 2012: 10.55Nanjing Winter 2012: 10.21Nanjing Normal University 2013: 8.44Nanjing Autumn 2014: 4.36Nanjing Spring 2015: 4.43Wuxi Open 2015: 4.58Nanjing Autumn 2015: 4.57Suzhou Open 2016: 4.99Nanjing Autumn 2016: 3.19Shanghai Winter is Coming 2016: 3.25Zhenjiang Open 2016: 3.62Xi'an New Year 2017: 4.07Shanghai Spring 2017: 4.01Xi'an Cherry Blossom 2017: 3.00Nanjing Spring 2017: 2.79Shanghai Love In ECNU 2017: 2.93Beijing Open 2017: 4.30Changshu Open 2017: 3.34Wuxi Open 2017: 2.19Suzhou Open 2017: 2.91Hefei Open 2017: 2.82Nanjing Autumn 2017: 2.87Zhenjiang Open 2017: 3.14Kunshan Open 2018: 3.10Nanjing Spring 2018: 3.43Shanghai Love in ECNU 2018: 3.02Nanchang Dragon-boat Open 2018: 3.34Hefei Summer 2018: 2.84Suzhou Open 2018: 3.94Nanjing Autumn 2018: 3.55Hefei Spring 2019: 2.55Yancheng Spring 2019: 3.18China Championship 2019: 3.91Nanjing Autumn 2019: 3.07Wuxi Winter 2019: 3.88Nanchang Good Morning 2021: 3.622.1910.5527 Oct 20122 Jan 2021

Best single per competition, Pyraminx. Faster is higher — the axis is the right way up.

The story so far

Competitions

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.

Next targets

  • A sub-2 Pyraminx single — 1,476 people have one; it is 0.19 away.
  • A sub-10 3×3 single — 21,172 people have one; it is 0.10 away.

Targets move as he improves.