People · United States
Jason Cheng (鄭聿成)
2×2 · top 7.4% of 186,767 all-time · competing since August 2012 · 2012CHEN24
Jason Cheng (鄭聿成) has been competing for 14 years. His best event is the 2×2: a personal-best single of 2.34, set at Mingdao Cube Carnival 2014, puts him in the top 7.4% of the 186,767 people who have ever been ranked in the event, and 2,922nd in the United States. Until February 2008, no official 2×2 solve in the world had been that fast. Across 4 competitions since August 2012, he has put 98 official solves on the record across six events. Solve to solve, his 3×3 times vary about 15% around a typical one, an early reading from 5 counted rounds. His 2×2 best has come down from 6.08 in August 2012 to 2.34, a 62% improvement. Jason has entered four competitions, more competitions than 78% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | United States | |
|---|---|---|---|---|---|
| 2×2 | 2.34 | 6.43 | top 7.4% | 2,922 / 40,951 | |
| Pyraminx | 5.89 | 9.36 | top 19.2% | 5,110 / 28,708 | |
| 3×3 | 17.78 | 20.80 | top 33.4% | 18,568 / 59,724 | |
| 3×3 one-handed | 30.56 | 42.84 | top 47.9% | 6,536 / 15,683 | |
| Square-1 | 45.55 | 54.88 | top 71.7% | 4,713 / 6,743 | |
| 4×4 | 1:47.55 | — | early days — 3 solves | 13,740 / 19,072 |
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, 2×2. Faster is higher — the axis is the right way up.
The story so far
- 15 Jun 2014Four personal bests in one day at Mingdao Cube Carnival 2014.
- 5 Oct 2013Three personal bests in one day at Cubetcha 2013.
- 3 Aug 2012First competition: United States National Championships 2012. A 17.78 3×3 single to start from.
Competitions
- Mingdao Cube Carnival 2014 · 15 Jun 2014 — 4 personal bests set
- Cubetcha 2013 · 5 Oct 2013 — 3 personal bests set
- Cubetcha 2012 · 6 Oct 2012
- United States National Championships 2012 · 3 Aug 2012
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.
- Erik Cheng (鄭聿軒) — met in 22 rounds, finished ahead 7 times
- Christopher Olson — met in 13 rounds, never finished ahead
- Waris Ali — met in 12 rounds, never finished ahead
Next targets
- A sub-2 2×2 single — 8,848 people have one; it is 0.34 away.
- A sub-5 Pyraminx single — 17,019 people have one; it is 0.89 away.
Targets move as he improves.