People · China
Haixu Zhang (张海旭)
3×3 · top 1.7% of 284,439 all-time · competing since October 2008 · 2008ZHAN06
Haixu Zhang (张海旭) has been competing for 18 years. His best event is the 3×3: a personal-best single of 7.31, set at Guangzhou Rubik's Cube Days 2016, puts him in the top 1.7% of the 284,439 people who have ever been ranked in the event, and 607th in China. Until July 2008, no official 3×3 solve in the world had been that fast. Across 13 competitions since October 2008, he has put 466 official solves on the record across nine events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 89% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 13.13 in October 2008 to 7.31, a 44% improvement. Haixu 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 | China | |
|---|---|---|---|---|---|
| 3×3 | 7.31 | 9.11 | top 1.7% | 607 / 28,153 | |
| 4×4 | 29.33 | 32.93 | top 2.4% | 235 / 5,926 | |
| 5×5 | 55.92 | 1:04.20 | top 3.7% | 172 / 2,816 | |
| 2×2 | 2.34 | 3.55 | top 7.4% | 1,059 / 15,796 | |
| 3×3 one-handed | 18.47 | 20.17 | top 16.3% | 1,614 / 5,922 | |
| 7×7 | 4:16.18 | 4:37.70 | top 36.5% | 702 / 1,261 | |
| Megaminx | 1:54.16 | 2:00.88 | early days — 3 solves | 1,197 / 1,678 | |
| Pyraminx | 11.16 | 15.45 | top 61.7% | 6,315 / 10,224 | |
| Square-1 | 45.22 | 59.59 | top 71.3% | 1,167 / 1,362 |
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
- 8 May 2016Four personal bests in one day at Xiamen Open 2016.
- 15 Dec 2013Three personal bests in one day at Fuzhou Open 2013.
- 3 Nov 2013Three personal bests in one day at Wenzhou Open 2013.
- 5 Aug 2012First sub-10 3×3: 8.03 at Guiyang Open 2012.
- 5 Aug 2012Four personal bests in one day at Guiyang Open 2012.
- 1 Oct 2009Four personal bests in one day at Guangdong Open 2009.
Competitions
- Zhuhai Open 2017 · 29 May 2017
- Fuzhou Open 2016 · 5 Jun 2016 — 1 personal best set
- Xiamen Open 2016 · 8 May 2016 — 4 personal bests set
- Guangzhou Rubik's Cube Days 2016 · 5 Mar 2016 — 1 personal best set
- Fuzhou Open 2013 · 15 Dec 2013 — 3 personal bests set
- Wenzhou Open 2013 · 3 Nov 2013 — 3 personal bests set
- Guiyang Open 2012 · 5 Aug 2012 — 4 personal bests set
- Guangdong Open 2010 · 3 Oct 2010 — 2 personal bests set
- Guangzhou Big Cubes Competition 2010 · 11 Jul 2010 — 1 personal best set
- Guangdong Open 2009 · 1 Oct 2009 — 4 personal bests set
- Shenzhen Summer Open 2009 · 22 Aug 2009 — 4 personal bests set
- Beijing Summer Open 2009 · 16 Aug 2009 — 3 personal bests set
- Guangdong Open 2008 · 1 Oct 2008 — 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.
- Kailong Li (李开隆) — met in 48 rounds, finished ahead 35 times
- Ming Zheng (郑鸣) — met in 42 rounds, finished ahead 40 times
- Lee Poon Kit (李本杰) — met in 35 rounds, finished ahead 34 times
Next targets
- A sub-6 3×3 single — 1,376 people have one; it is 1.31 away.
- A sub-25 4×4 single — 588 people have one; it is 4.33 away.
Targets move as he improves.