People · China
Chuanyin Ju (鞠传垠)
Pyraminx · top 2.1% of 129,321 all-time · competing since June 2024 · 2024JUCH01
Chuanyin Ju (鞠传垠) has been competing for 2 years. His best event is the Pyraminx: a personal-best single of 2.45, set at Linhai Newcomers 2025, puts him in the top 2.1% of the 129,321 people who have ever been ranked in the event, and 250th in China. Until January 2011, no official Pyraminx solve in the world had been that fast. Across 15 competitions since June 2024, he has put 359 official solves on the record across twelve events. Solve to solve, his 3×3 times vary about 14% around a typical one, an early reading from 6 counted rounds. His Skewb best has come down from 3.71 in July 2024 to 2.90, a 22% improvement. Chuanyin has entered 15 competitions, more competitions than 95% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | China | |
|---|---|---|---|---|---|
| Pyraminx | 2.45 | 4.49 | top 2.1% | 250 / 10,224 | |
| Clock | 4.97 | 5.78 | top 4.4% | 80 / 1,843 | |
| Skewb | 2.90 | 4.50 | top 4.5% | 246 / 5,004 | |
| 3×3 | 9.17 | 11.96 | top 5.3% | 2,020 / 28,153 | |
| Megaminx | 51.24 | 56.83 | top 5.6% | 129 / 1,678 | |
| Square-1 | 10.45 | 14.86 | top 6.9% | 97 / 1,362 | |
| 3×3 one-handed | 14.78 | 17.75 | top 7.7% | 740 / 5,922 | |
| 2×2 | 2.57 | 4.51 | top 9.6% | 1,445 / 15,796 | |
| 3×3 Fewest Moves | 33 moves | 36.67 | top 23.4% | 244 / 1,058 | |
| 4×4 | 52.61 | 56.22 | top 27.9% | 2,917 / 5,926 | |
| 5×5 | 1:49.09 | — | early days — 2 solves | 1,857 / 2,816 | |
| 6×6 | 3:16.23 | 3:21.14 | early days — 3 solves | 932 / 1,349 |
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, Skewb. Faster is higher — the axis is the right way up.
The story so far
- 21 Jun 2025Three personal bests in one day at Hong Kong Side Event Day 2025.
- 15 Mar 2025First sub-10 3×3: 9.17 at Linhai Newcomers 2025.
- 15 Mar 2025Seven personal bests in one day at Linhai Newcomers 2025.
- 8 Dec 2024Three personal bests in one day at Zhengzhou Open 2024.
- 1 Jun 2024First competition: FMC 2024.
Competitions
- Start of Summer Beijing 2026 · 1 May 2026 — 2 personal bests set
- Beijing Spring Open 2026 · 28 Mar 2026 — 1 personal best set
- Zhengzhou Zeal 2025 · 28 Dec 2025 — 2 personal bests set
- Zhengzhou Summer IV 2025 · 24 Aug 2025 — 1 personal best set
- FMC Asia 2025 · 27 Jul 2025
- Hong Kong Side Event Day 2025 · 21 Jun 2025 — 3 personal bests set
- Zhuhai Open 2025 · 15 Jun 2025 — 1 personal best set
- Nanchang Spring 2025 · 26 Apr 2025 — 1 personal best set
- Linhai Newcomers 2025 · 15 Mar 2025 — 7 personal bests set
- Zhengzhou Open 2024 · 8 Dec 2024 — 3 personal bests set
- Guilin Open 2024 · 20 Oct 2024 — 2 personal bests set
- Xi'an Open 2024 · 3 Aug 2024 — 2 personal bests set
- Chengdu Summer 2024 · 20 Jul 2024
- Dandong Yalu River Open 2024 · 29 Jun 2024 — 2 personal bests set
- FMC 2024 · 1 Jun 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.
- Zhiyuan Ma (马之元) — met in 40 rounds, finished ahead 8 times
- Ruimin Yan (颜瑞民) — met in 36 rounds, finished ahead 23 times
- Xiang Li (李响) — met in 33 rounds, finished ahead 29 times
Next targets
- A sub-2 Pyraminx single — 1,476 people have one; it is 0.45 away.
- A sub-4 Clock single — 741 people have one; it is 0.97 away.
Targets move as he improves.