People · China
Dongdong Qu (曲冬冬)
3×3 · top 2.5% of 284,439 all-time · competing since November 2008 · 2008QUDO01
Dongdong Qu (曲冬冬) has been competing for 18 years. His best event is the 3×3: a personal-best single of 7.86, set at TUT 2013, puts him in the top 2.5% of the 284,439 people who have ever been ranked in the event, and 922nd in China. Until July 2008, no official 3×3 solve in the world had been that fast. Across 49 competitions since November 2008, he has put 651 official solves on the record across three events. Solve to solve, his 3×3 times vary about 12% around a typical one, steadier than 78% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 20.58 in November 2008 to 7.86, a 62% improvement. Dongdong has entered 49 competitions, more competitions than 99% 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 | 7.86 | 11.31 | top 2.5% | 922 / 28,153 | |
| 3×3 one-handed | 27.96 | 44.91 | top 41.9% | 3,814 / 5,922 | |
| 2×2 | 7.50 | 10.70 | top 64.3% | 10,709 / 15,796 |
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 May 2013First sub-10 3×3: 9.86 at BUAA Open 2013.
- 2 May 2009First sub-15 3×3: 12.61 at Beijing Metropolis Open 2009.
- 21 Feb 2009First sub-20 3×3: 16.34 at Beijing Spring Open 2009.
- 21 Feb 2009Three personal bests in one day at Beijing Spring Open 2009.
- 2 Nov 2008First competition: Beijing Fall Open 2008. A 20.58 3×3 single to start from.
Competitions
- Fushun Open 2018 · 28 Jan 2018
- Chongqing Open 2017 · 30 Dec 2017
- Shijiazhuang Open 2017 · 26 Nov 2017
- China Championship 2017 · 28 Jul 2017
- Beijing Open 2017 · 24 Jun 2017
- Weihai Open 2017 · 30 Apr 2017
- Xi'an New Year 2017 · 2 Jan 2017
- Shenyang Winter 2016 · 11 Dec 2016
- Wuhan Open 2016 · 6 Nov 2016
- Asian Championship 2016 · 1 Oct 2016
- Hefei Open 2016 · 15 Jul 2016
- One Night in Beijing 2016 · 28 May 2016
- Weihai Open 2016 · 15 May 2016
- Tianjin Winter Open 2015 · 5 Dec 2015
- Beijing Open 2015 · 24 Oct 2015
- Xining Summer Open 2015 · 8 Aug 2015
- Qinhuangdao Open 2015 · 16 May 2015
- Tianjin University Open 2015 · 26 Apr 2015
- Beijing Summer Open 2014 · 6 Jul 2014
- Tianjin University Open 2014 · 7 Jun 2014
- Shandong Spring Open 2014 · 13 Apr 2014
- LanZhou Winter 2014 · 18 Feb 2014
- Xining Winter Open 2014 · 16 Feb 2014
- TUT 2013 · 17 Nov 2013 — 1 personal best set
- Dalian Open 2013 · 27 Oct 2013 — 1 personal best set
- Taiyuan Open 2013 · 19 Oct 2013
- Beijing Summer 2013 · 10 Aug 2013
- World Rubik's Cube Championship 2013 · 26 Jul 2013
- BUAA Open 2013 · 12 May 2013 — 1 personal best set
- Tianjin Winter 2012 · 23 Dec 2012
- Beijing Winter 2012 · 24 Nov 2012 — 1 personal best set
- Beijing Summer 2012 · 12 Aug 2012
- China Tourism Day 2012 · 19 May 2012 — 1 personal best set
- Tianjin Open 2011 · 25 Dec 2011 — 1 personal best set
- Human Rights Day 2011 · 10 Dec 2011
- Zhengzhou Autumn 2011 · 20 Nov 2011 — 1 personal best set
- World Rubik's Cube Championship 2011 · 14 Oct 2011
- Xi'an Spring 2011 · 6 Mar 2011 — 1 personal best set
- XinXiang Spring Festival Open 2011 · 13 Feb 2011 — 1 personal best set
- Tianjin Open 2010 · 21 Nov 2010
- Beijing Mangshan National Forest Park Open 2010 · 28 Aug 2010
- Inner Mongolia 2010 · 24 Jul 2010
- Taiyuan 2010 · 30 May 2010 — 2 personal bests set
- Alpha Cube BUAA Open 2010 · 9 May 2010
- Beijing Winter 2009 · 20 Dec 2009
- Beijing Summer Open 2009 · 16 Aug 2009
- Beijing Metropolis Open 2009 · 2 May 2009 — 1 personal best set
- Beijing Spring Open 2009 · 21 Feb 2009 — 3 personal bests set
- Beijing Fall Open 2008 · 2 Nov 2008
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.
- Hongye Sun (孙虹烨) — met in 54 rounds, finished ahead 30 times
- Yuxuan Wang (王宇轩) — met in 52 rounds, finished ahead 25 times
- Baiqiang Dong (董百强) — met in 50 rounds, finished ahead 42 times
Next targets
- A sub-6 3×3 single — 1,376 people have one; it is 1.86 away.
- A sub-25 3×3 one-handed single — 25,198 people have one; it is 2.96 away.
Targets move as he improves.