People · China
Haijie Zhang (张海杰)
3×3 one-handed · top 8.6% of 73,695 all-time · competing since July 2013 · 2013ZHAN27
Haijie Zhang (张海杰) has been competing for 13 years. His best event is the 3×3 one-handed: a personal-best single of 15.22, set at Guangzhou New Year's Cube Day 2015, puts him in the top 8.6% of the 73,695 people who have ever been ranked in the event, and 817th in China. Until May 2008, no official 3×3 one-handed solve in the world had been that fast. Across 12 competitions since July 2013, he has put 282 official solves on the record across eleven 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 13.31 in July 2013 to 10.77, a 19% improvement. Haijie has entered twelve 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 one-handed | 15.22 | 19.65 | top 8.6% | 817 / 5,922 | |
| 3×3 | 10.77 | 12.80 | top 9.8% | 3,817 / 28,153 | |
| 2×2 | 2.95 | 4.17 | top 13.7% | 2,125 / 15,796 | |
| 4×4 | 47.10 | 51.31 | top 20.9% | 2,257 / 5,926 | |
| Skewb | 5.82 | 9.89 | top 24.4% | 1,510 / 5,004 | |
| 5×5 | 1:29.43 | 1:39.57 | top 26.8% | 1,238 / 2,816 | |
| Pyraminx | 7.92 | 9.79 | top 35.5% | 3,873 / 10,224 | |
| 3×3 Fewest Moves | 40 moves | — | early days — 1 solve | 560 / 1,058 | |
| 6×6 | 3:29.21 | 3:37.62 | top 54.3% | 1,006 / 1,349 | |
| 7×7 | 5:36.20 | — | top 61.5% | 1,018 / 1,261 | |
| Megaminx | 3:40.28 | — | top 86.0% | 1,625 / 1,678 |
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
- 1 Oct 2014Three personal bests in one day at Guangdong Open 2014.
- 12 Jan 2014Three personal bests in one day at Guangzhou Small Cubes 2014.
- 1 Dec 2013Four personal bests in one day at Guangzhou Big Cubes 2013.
- 22 Jul 2013First competition: Guangzhou CCSA Championship 2013. A 13.31 3×3 single to start from.
Competitions
- China Championship 2015 · 2 Oct 2015 — 1 personal best set
- Guangzhou SYSU Open 2015 · 6 Jun 2015 — 1 personal best set
- Cube of Prime Numbers 2015 · 2 May 2015 — 1 personal best set
- Guangzhou New Year's Cube Day 2015 · 1 Jan 2015 — 2 personal bests set
- Guangdong Open 2014 · 1 Oct 2014 — 3 personal bests set
- Tianjin University Open 2014 · 7 Jun 2014 — 1 personal best set
- Guangzhou Wushan Open 2014 · 18 May 2014 — 1 personal best set
- Guangzhou Cube Splashing Day 2014 · 20 Apr 2014 — 2 personal bests set
- Guangzhou Small Cubes 2014 · 12 Jan 2014 — 3 personal bests set
- Guangzhou Big Cubes 2013 · 1 Dec 2013 — 4 personal bests set
- Guangdong Open 2013 · 1 Oct 2013 — 2 personal bests set
- Guangzhou CCSA Championship 2013 · 22 Jul 2013
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.
- Jiacheng Peng (彭家诚) — met in 49 rounds, finished ahead 12 times
- Weixing Zhang (张炜星) — met in 42 rounds, finished ahead 3 times
- Kailong Li (李开隆) — met in 39 rounds, finished ahead twice
Next targets
- A sub-15 3×3 one-handed single — 5,987 people have one; it is 0.22 away.
- A sub-10 3×3 single — 21,172 people have one; it is 0.77 away.
Targets move as he improves.