People · Chinese Taipei
Yu-Cheng Chang (張育誠)
2×2 · top 10.3% of 186,767 all-time · competing since August 2012 · 2012CHAN12
Yu-Cheng Chang (張育誠) has been competing for 14 years. His best event is the 2×2: a personal-best single of 2.64, set at Cross-strait Cubing Exchange 2019, puts him in the top 10.3% of the 186,767 people who have ever been ranked in the event, and 286th in Chinese Taipei. Across 18 competitions since August 2012, he has put 404 official solves on the record across seven events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 88% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 22.86 in August 2012 to 11.12, a 51% improvement. He has entered 18 competitions, more competitions than 96% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | Chinese Taipei | |
|---|---|---|---|---|---|
| 2×2 | 2.64 | 5.03 | top 10.3% | 286 / 1,669 | |
| 3×3 | 11.12 | 14.04 | top 10.9% | 661 / 4,213 | |
| 4×4 | 40.86 | 53.92 | top 13.1% | 290 / 1,078 | |
| 5×5 | 1:17.33 | 1:29.33 | top 17.1% | 229 / 639 | |
| Megaminx | 1:28.44 | 1:38.01 | top 27.2% | 160 / 362 | |
| 7×7 | 5:14.10 | — | top 55.2% | 182 / 252 | |
| 6×6 | 3:36.44 | — | top 57.3% | 219 / 292 |
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
- 12 Oct 2019Three personal bests in one day at Cross-strait Cubing Exchange 2019.
- 26 Jan 2019Three personal bests in one day at Taipei Peace Open 2019.
- 29 Oct 2016First sub-20 3×3: 15.50 at Taiwan Championship 2016.
- 29 Oct 2016First sub-15 3×3: 14.21 at Taiwan Championship 2016.
- 25 Aug 2012First competition: Taiwan Summer Open 2012. A 22.86 3×3 single to start from.
Competitions
- Zhuyuangang Open 2020 · 29 Feb 2020 — 2 personal bests set
- Taiwan Championship 2019 · 13 Dec 2019 — 1 personal best set
- Kaohsiung Autumn Open 2019 · 16 Nov 2019 — 1 personal best set
- Lanyang Open 2019 · 26 Oct 2019 — 2 personal bests set
- Cross-strait Cubing Exchange 2019 · 12 Oct 2019 — 3 personal bests set
- Dream One Cube Open 2019 · 15 Sep 2019 — 1 personal best set
- Maru Cube Day 2019 · 6 Jul 2019 — 1 personal best set
- Chien Kuo Cubing Party 2019 · 26 May 2019 — 2 personal bests set
- Zhuyuangang Open 2019 · 16 Mar 2019 — 1 personal best set
- Taichung Cubing Open 2019 · 16 Feb 2019 — 1 personal best set
- Taipei Peace Open 2019 · 26 Jan 2019 — 3 personal bests set
- Taiwan Championship 2018 · 15 Dec 2018 — 2 personal bests set
- Taipei Winter Open 2018 · 18 Nov 2018 — 1 personal best set
- Kaohsiung Autumn Open 2018 · 7 Oct 2018 — 2 personal bests set
- WCA Asian Championship 2018 · 17 Aug 2018
- Taipei Open 2017 · 11 Feb 2017 — 1 personal best set
- Taiwan Championship 2016 · 29 Oct 2016 — 2 personal bests set
- Taiwan Summer Open 2012 · 25 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.
- Chao-Che Chung (鍾肇哲) — met in 98 rounds, finished ahead once
- Chia-Leo Lin (林珈樂) — met in 87 rounds, finished ahead 14 times
- Ho Hsieh (謝合) — met in 82 rounds, never finished ahead
Next targets
- A sub-2 2×2 single — 8,848 people have one; it is 0.64 away.
- A sub-10 3×3 single — 21,172 people have one; it is 1.12 away.
Targets move as he improves.