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People → China → Jinhao Zheng (郑金昊)

People · China

Jinhao Zheng (郑金昊)

Pyraminx · top 2.3% of 129,321 all-time · competing since April 2013 · 2013ZHEN02

Jinhao Zheng (郑金昊) has been competing for 13 years. His best event is the Pyraminx: a personal-best single of 2.55, set at Nanjing Autumn 2017, puts him in the top 2.3% of the 129,321 people who have ever been ranked in the event, and 277th in China. Until January 2011, no official Pyraminx solve in the world had been that fast. Across 37 competitions since April 2013, he has put 1,709 official solves on the record across 14 events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 92% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 17.75 in April 2013 to 8.36, a 53% improvement. Jinhao has entered 37 competitions, more competitions than 99% of everyone who has ever competed.

Pyraminx
best event — top 2.3% of 129,321 all-time
2.55
signature single · Nanjing Autumn 2017
1,709
official solves on the record
11%
solve-to-solve spread · steadier than 92% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingChina
Pyraminx2.554.41
top 2.3%277 / 10,224
3×38.3611.37
top 3.4%1,289 / 28,153
4×433.7239.66
top 5.6%558 / 5,926
2×22.473.84
top 8.6%1,267 / 15,796
5×51:11.931:17.64
top 13.0%636 / 2,816
7×73:18.383:29.22
top 15.8%327 / 1,261
Skewb4.736.42
top 16.2%998 / 5,004
3×3 one-handed18.6720.69
top 16.9%1,673 / 5,922
Square-115.9323.34
top 18.5%292 / 1,362
Megaminx1:18.391:35.58
top 20.7%623 / 1,678
6×62:26.932:35.50
top 24.0%525 / 1,349
Clock10.3111.92
top 26.7%612 / 1,843
3×3 Fewest Moves36 moves42.33
top 33.6%369 / 1,058
3×3 blindfolded4:28.50—
top 74.3%1,015 / 1,183

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 Normal University 2013: 17.75NUAA Open 2013: 16.97Hefei Open 2013: 15.13Wuxi Open 2013: 15.83Nanjing Spring 2014: 12.61Hefei Spring 2014: 12.75Zhejiang University Open 2014: 12.45Suzhou Open 2014: 12.94Chongqing Open 2014: 12.45Nanjing Autumn 2014: 9.53Hangzhou Winter Open 2014: 11.11AnHui University Open 2015: 11.70Xi'an Cherry Blossom 2015: 11.72Nanjing Spring 2015: 12.05China Championship 2015: 11.15Shanghai Spring 2016: 10.46Xi'an Cherry Blossom 2016: 11.19Nanjing Spring 2016: 11.34Shanghai Songjiang Open 2016: 11.75One Night in Beijing 2016: 12.17Suzhou Open 2016: 11.11Nanchang Open 2016: 11.97Hefei Open 2016: 11.10Jinhua Open 2016: 10.80Asian Championship 2016: 11.23Nanjing Autumn 2016: 10.44Wuhan Open 2016: 10.28Zhenjiang Open 2016: 10.56Nanjing Spring 2017: 11.30Yangzhou Open 2017: 11.64Nanjing Autumn 2017: 10.05Zhenjiang Open 2017: 11.45Nanjing Autumn 2018: 11.69SJTU Winter Open 2018: 9.63Nanjing Autumn 2019: 8.368.3617.756 Apr 20133 Nov 2019

Best single per competition, 3×3. 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 0.55 away.
  • A sub-8 3×3 single — 7,931 people have one; it is 0.36 away.

Targets move as he improves.