People · China
Simeng Liu (刘思萌)
3×3 · top 9.4% of 284,439 all-time · competing since December 2017 · 2017LIUS18
Simeng Liu (刘思萌) has been competing for 9 years. Her best event is the 3×3: a personal-best single of 10.64, set at Harbin Open 2024, puts her in the top 9.4% of the 284,439 people who have ever been ranked in the event, and 3,672nd in China. Until August 2006, no official 3×3 solve in the world had been that fast. Across 10 competitions since December 2017, she has put 233 official solves on the record across seven events. Solve to solve, her 3×3 times vary about 12% around a typical one, steadier than 61% of the 35,811 competitors with ten or more counted rounds. Her 3×3 best has come down from 18.73 in December 2017 to 10.64, a 43% improvement. Simeng has entered ten competitions, more competitions than 92% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | China | |
|---|---|---|---|---|---|
| 3×3 | 10.64 | 11.83 | top 9.4% | 3,672 / 28,153 | |
| 4×4 | 42.87 | 48.82 | top 15.6% | 1,689 / 5,926 | |
| Skewb | 4.77 | 8.28 | top 16.4% | 1,015 / 5,004 | |
| 2×2 | 3.21 | 5.63 | top 16.7% | 2,684 / 15,796 | |
| Pyraminx | 6.23 | 8.26 | top 21.7% | 2,481 / 10,224 | |
| 3×3 one-handed | 24.59 | 28.00 | top 33.1% | 3,181 / 5,922 | |
| 3×3 Fewest Moves | 43 moves | 50.67 | top 59.0% | 691 / 1,058 |
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
- 27 Oct 2024Three personal bests in one day at Harbin Open 2024.
- 22 Dec 2018Five personal bests in one day at Mudanjiang Open 2018.
- 5 Aug 2018Six personal bests in one day at Shenyang Summer 2018.
- 9 Jun 2018First sub-15 3×3: 14.64 at Harbin Open 2018.
- 9 Jun 2018Five personal bests in one day at Harbin Open 2018.
- 17 Dec 2017First competition: Heilongjiang Colleges Open 2017. A 18.73 3×3 single to start from.
Competitions
- Harbin Open 2025 · 20 Jul 2025
- Harbin Open 2024 · 27 Oct 2024 — 3 personal bests set
- Harbin Open 2019 · 22 Dec 2019 — 1 personal best set
- Mudanjiang Open 2018 · 22 Dec 2018 — 5 personal bests set
- Shenyang Summer 2018 · 5 Aug 2018 — 6 personal bests set
- Cross-strait FMC 2018 · 4 Aug 2018
- Changchun Open 2018 · 18 Jun 2018 — 1 personal best set
- Harbin Open 2018 · 9 Jun 2018 — 5 personal bests set
- Beijing Open 2018 · 30 Apr 2018 — 2 personal bests set
- Heilongjiang Colleges Open 2017 · 17 Dec 2017
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.
- Sheng Cao (曹晟) — met in 44 rounds, never finished ahead
- Hao Li (李昊) — met in 29 rounds, finished ahead 15 times
- Jianyu Wang (王健宇) — met in 27 rounds, finished ahead 11 times
Next targets
- A sub-10 3×3 single — 21,172 people have one; it is 0.64 away.
- A sub-40 4×4 single — 10,180 people have one; it is 2.87 away.
Targets move as she improves.