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People → China → Congjian Zhang (张丛健)

People · China

Congjian Zhang (张丛健)

Pyraminx · top 7.8% of 130,891 all-time · competing since December 2011 · 2011ZHAN56

Congjian Zhang (张丛健) has been competing for 15 years. His best event is the Pyraminx: a personal-best single of 4.03, set at China Championship 2018, puts him in the top 7.8% of the 130,891 people who have ever been ranked in the event, and 944th in China. Until February 2008, no official Pyraminx solve in the world had been that fast. Across 24 competitions since December 2011, he has put 779 official solves on the record across 13 events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 88% of the 36,406 competitors with ten or more counted rounds. His 3×3 best has come down from 20.16 in December 2011 to 10.39, a 48% improvement. Congjian has entered 24 competitions, more competitions than 97% of everyone who has ever competed.

Pyraminx
best event — top 7.8% of 130,891 all-time
4.03
signature single · China Championship 2018
779
official solves on the record
11%
solve-to-solve spread · steadier than 88% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingChina
Pyraminx4.035.83
top 7.8%944 / 10,269
3×310.3912.57
top 8.7%3,446 / 28,499
2×22.965.89
top 13.8%2,190 / 15,939
3×3 one-handed17.5621.16
top 14.0%1,416 / 5,994
4×449.7354.22
top 24.5%2,646 / 5,999
Square-119.4423.68
top 26.7%459 / 1,373
5×51:45.451:56.52
top 39.6%1,808 / 2,857
Clock16.0622.20
top 52.1%1,247 / 1,887
6×63:56.984:12.47
top 64.6%1,145 / 1,363
7×76:23.396:51.84
top 73.0%1,126 / 1,274
3×3 Fewest Moves48 moves50.33
top 74.3%878 / 1,071
Skewb15.9725.50
top 81.3%4,157 / 5,030
Megaminx3:23.943:49.74
top 82.0%1,625 / 1,693

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

Tianjin Open 2011: 20.16China Tourism Day 2012: 14.22Tianjin Open 2012: 15.30Beijing Winter 2012: 11.33Tianjin Winter 2012: 14.78TUT 2013: 13.57Nanjing Spring 2014: 11.72Xi'an Cherry Blossom 2014: 13.01Beijing Spring 2014: 13.26Hefei Spring 2014: 11.77Tianjin University Open 2014: 12.96Xining Summer Open 2016: 12.00Asian Championship 2016: 11.85Tianjin Open 2016: 11.60Tangshan Open 2017: 11.98Beijing Open 2018: 12.41Tianjin Summer Open 2018: 10.39Beijing Summer 2018: 12.87China Championship 2018: 10.84Beijing Winter 2018: 12.55Urumqi Open 2019: 13.08Xi'an Cherry Blossom 2025: 16.08Beijing Summer 2025: 12.4010.3920.1625 Dec 201117 May 2025

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-4 Pyraminx single — 10,050 people have one; it is 0.03 away.
  • A sub-10 3×3 single — 21,606 people have one; it is 0.39 away.

Targets move as he improves.