People · China
Zheng Cai (蔡铮)
3×3 · top 7.6% of 284,439 all-time · competing since March 2024 · 2024CAIZ01
Zheng Cai (蔡铮) has been competing for 2 years. His best event is the 3×3: a personal-best single of 10.04, set at Hangzhou Winter 2025, puts him in the top 7.6% of the 284,439 people who have ever been ranked in the event, and 2,954th in China. Until May 2007, no official 3×3 solve in the world had been that fast. Across 2 competitions since March 2024, he has put 25 official solves on the record across three events. His 3×3 best has come down from 11.56 in March 2024 to 10.04, a 13% improvement. Zheng has entered two competitions.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | China | |
|---|---|---|---|---|---|
| 3×3 | 10.04 | 12.72 | top 7.6% | 2,954 / 28,153 | |
| 4×4 | 51.36 | 53.28 | top 26.4% | 2,787 / 5,926 | |
| Pyraminx | 7.74 | 11.85 | top 34.0% | 3,739 / 10,224 |
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
- 2 Mar 2024First competition: Hangzhou Spring 2024. A 11.56 3×3 single to start from.
Competitions
- Hangzhou Winter 2025 · 29 Nov 2025 — 1 personal best set
- Hangzhou Spring 2024 · 2 Mar 2024
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.
- Yuetao Zhang (章悦涛) — met in 5 rounds, finished ahead 3 times
- Ziyi Xu (徐梓翼) — met in 5 rounds, finished ahead 3 times
- Zhe Wang (汪哲) — met in 5 rounds, finished ahead twice
Next targets
- A sub-10 3×3 single — 21,172 people have one; it is 0.04 away.
- A sub-50 4×4 single — 20,746 people have one; it is 1.36 away.
Targets move as he improves.