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People → China → Hao Chang (常皓)

People · China

Hao Chang (常皓)

Pyraminx · top 4.3% of 129,321 all-time · competing since November 2015 · 2015CHAN33

Hao Chang (常皓) has been competing for 11 years. Her best event is the Pyraminx: a personal-best single of 3.18, set at Inner Mongolia Winter 2018, puts her in the top 4.3% of the 129,321 people who have ever been ranked in the event, and 513th in China. Until February 2008, no official Pyraminx solve in the world had been that fast. Across 43 competitions since November 2015, she has put 646 official solves on the record across 13 events. Solve to solve, her 3×3 times vary about 13% around a typical one; 59% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. Her Pyraminx best has come down from 6.44 in October 2016 to 3.18, a 51% improvement. Hao has entered 43 competitions, more competitions than 99% of everyone who has ever competed.

Pyraminx
best event — top 4.3% of 129,321 all-time
3.18
signature single · Inner Mongolia Winter 2018
646
official solves on the record
13%
solve-to-solve spread · wider than 59% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingChina
Pyraminx3.184.94
top 4.3%513 / 10,224
Clock8.4210.35
top 17.2%380 / 1,843
Megaminx1:14.311:27.24
top 18.2%549 / 1,678
Skewb5.8311.85
top 24.4%1,515 / 5,004
5×51:28.821:48.64
top 26.3%1,222 / 2,816
3×315.8019.09
top 27.1%10,111 / 28,153
6×62:50.253:16.73
top 36.2%753 / 1,349
4×41:09.981:15.13
top 46.8%4,326 / 5,926
7×74:54.34—
top 49.0%869 / 1,261
Square-132.2636.11
top 53.7%921 / 1,362
2×26.328.57
top 54.2%9,194 / 15,796
3×3 Fewest Moves43 moves51.00
top 59.0%691 / 1,058
3×3 one-handed43.8652.06
top 70.3%5,355 / 5,922

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

Asian Championship 2016: 6.44Wuhan Open 2016: 5.38Nanchang Winter 2016: 5.45Anhui University Smart Open 2017: 4.53Xi'an Cherry Blossom 2017: 4.55Nanchang Spring 2017: 4.54Changsha Xiangmo 2017: 6.00China Championship 2017: 3.75Inner Mongolia Summer 2017: 3.67Hefei Open 2017: 3.56HUST Special Cubes Open 2017: 4.26Inner Mongolia Winter 2018: 3.18Hubei University Shahu Spring 2018: 5.43Nanchang Summer Is Coming 2018: 4.99HUST Open 2018: 5.22Beijing Summer 2018: 4.12Inner Mongolia Winter 2019: 7.33Wuhan Chuyun Spring 2019: 5.22Wuhu Open 2019: 4.49Xuzhou Spring 2019: 4.66Wuhan Open 2019: 4.05Hefei Winter Open 2023: 5.93Changsha Open 2023: 6.38Hangzhou Spring 2024: 5.62Nanchang Spring 2024: 6.59Xi'an Summer 2025: 6.543.187.331 Oct 201619 Jul 2025

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 her.

Next targets

  • A sub-3 Pyraminx single — 4,700 people have one; it is 0.18 away.
  • A sub-8 Clock single — 4,877 people have one; it is 0.42 away.

Targets move as she improves.