People · Dominican Republic
Chardan Jose Valdez Sierra
3×3 one-handed · top 2.3% of 73,695 all-time · competing since December 2013 · 2013SIER01
Chardan Jose Valdez Sierra has been competing for 13 years. His best event is the 3×3 one-handed: a personal-best single of 11.40, set at Santo Domingo Summer 2016, puts him in the top 2.3% of the 73,695 people who have ever been ranked in the event, and 3rd in the Dominican Republic. Until August 2010, no official 3×3 one-handed solve in the world had been that fast. Across 13 competitions since December 2013, he has put 498 official solves on the record across seven events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 93% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 10.03 in December 2013 to 7.73, a 23% improvement. Chardan has entered 13 competitions, more competitions than 94% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | Dominican Republic | |
|---|---|---|---|---|---|
| 3×3 one-handed | 11.40 | 14.62 | top 2.3% | 3 / 151 | |
| 3×3 | 7.73 | 9.77 | top 2.3% | 9 / 588 | |
| 2×2 | 1.94 | 3.84 | top 4.4% | 5 / 312 | |
| Pyraminx | 5.37 | 8.98 | top 15.5% | 23 / 192 | |
| 4×4 | 43.26 | 48.59 | top 16.1% | 21 / 136 | |
| 5×5 | 1:28.15 | 1:46.41 | top 25.8% | 16 / 74 | |
| 3×3 Fewest Moves | 34 moves | — | early days — 3 solves | 3 / 25 |
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
- 13 Aug 2016Three personal bests in one day at Santo Domingo Summer 2016.
- 26 Mar 2016Three personal bests in one day at Republica Dominicana Spring 2016.
- 16 Jan 2016Three personal bests in one day at De Cabeza en 360 2016.
- 15 Aug 2015Three personal bests in one day at Verano Cubero 2015.
- 11 Oct 2014Three personal bests in one day at Back to 360 2014.
- 19 Jul 2014Four personal bests in one day at Galerias 360 Open 2014.
Competitions
- Santo Domingo Summer 2019 · 20 Jun 2019
- A Cubear Con Puzzlemania 2019 · 12 Jan 2019
- Speedcubing RD 2018 · 6 Oct 2018 — 1 personal best set
- Santo Domingo Fall 2016 · 8 Oct 2016 — 1 personal best set
- Santo Domingo Summer 2016 · 13 Aug 2016 — 3 personal bests set
- Republica Dominicana Spring 2016 · 26 Mar 2016 — 3 personal bests set
- De Cabeza en 360 2016 · 16 Jan 2016 — 3 personal bests set
- Verano Cubero 2015 · 15 Aug 2015 — 3 personal bests set
- Santo Domingo Spring 2015 · 2 May 2015 — 1 personal best set
- Back to 360 2014 · 11 Oct 2014 — 3 personal bests set
- Galerias 360 Open 2014 · 19 Jul 2014 — 4 personal bests set
- Santo Domingo Spring 2014 · 23 Mar 2014 — 3 personal bests set
- Republica Dominicana Open 2013 · 8 Dec 2013 — 1 personal best set
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.
- Mark Alexander Benítez Kernogo — met in 50 rounds, finished ahead 49 times
- Sumi Lee — met in 49 rounds, finished ahead 49 times
- Nestor Sanchez — met in 49 rounds, finished ahead 49 times
Next targets
- A sub-10 3×3 one-handed single — 779 people have one; it is 1.40 away.
- A sub-6 3×3 single — 1,376 people have one; it is 1.73 away.
Targets move as he improves.