People · China
Kai Ma (马开)
3×3 · top 7.8% of 284,439 all-time · competing since November 2015 · 2015MAKA01
Kai Ma (马开) has been competing for 11 years. His best event is the 3×3: a personal-best single of 10.11, set at Zibo Open 2019, puts him in the top 7.8% of the 284,439 people who have ever been ranked in the event, and 3,034th in China. Until May 2007, no official 3×3 solve in the world had been that fast. Across 20 competitions since November 2015, he has put 606 official solves on the record across twelve events. Solve to solve, his 3×3 times vary about 13% around a typical one, steadier than 59% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 15.58 in November 2015 to 10.11, a 35% improvement. Kai has entered 20 competitions, more competitions than 97% 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 | 10.11 | 11.91 | top 7.8% | 3,034 / 28,153 | |
| Pyraminx | 4.37 | 6.01 | top 9.6% | 1,133 / 10,224 | |
| 2×2 | 2.60 | 4.03 | top 9.9% | 1,495 / 15,796 | |
| Skewb | 4.14 | 7.00 | top 11.9% | 702 / 5,004 | |
| 4×4 | 40.94 | 48.23 | top 13.2% | 1,430 / 5,926 | |
| Megaminx | 1:22.24 | 1:29.32 | top 23.3% | 705 / 1,678 | |
| 3×3 one-handed | 21.75 | 24.63 | top 25.3% | 2,489 / 5,922 | |
| 5×5 | 1:36.67 | 1:43.02 | top 32.8% | 1,483 / 2,816 | |
| Clock | 12.54 | 15.02 | top 37.6% | 898 / 1,843 | |
| 6×6 | 3:43.17 | 3:57.32 | early days — 3 solves | 1,077 / 1,349 | |
| 7×7 | 6:00.37 | 6:18.54 | early days — 3 solves | 1,082 / 1,261 | |
| 3×3 blindfolded | 5:05.59 | — | early days — 1 solve | 1,088 / 1,183 |
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
- 21 Jul 2019Three personal bests in one day at Heze Open 2019.
- 6 Apr 2019Three personal bests in one day at Anyang Open 2019.
- 31 Mar 2019Four personal bests in one day at Qingdao Spring 2019.
- 5 Jun 2016Three personal bests in one day at Taiyuan Open 2016.
- 20 Mar 2016First sub-15 3×3: 14.89 at Qingdao Open 2016.
- 20 Mar 2016Five personal bests in one day at Qingdao Open 2016.
Competitions
- Zibo Open 2024 · 19 May 2024
- Luoyang Spring 2024 · 10 Mar 2024
- Beijing Spring AM 2021 · 4 Apr 2021
- Zibo Open 2019 · 17 Nov 2019 — 1 personal best set
- Shandong Open 2019 · 4 Oct 2019
- Xinxiang Open 2019 · 22 Sep 2019 — 2 personal bests set
- Heze Open 2019 · 21 Jul 2019 — 3 personal bests set
- Xuzhou Spring 2019 · 1 May 2019
- Anyang Open 2019 · 6 Apr 2019 — 3 personal bests set
- Qingdao Spring 2019 · 31 Mar 2019 — 4 personal bests set
- Xuzhou Winter 2018 · 24 Nov 2018
- Xuzhou Open 2018 · 17 Jun 2018 — 2 personal bests set
- Jinan Open 2017 · 18 Nov 2017 — 1 personal best set
- Yangzhou Open 2017 · 20 Aug 2017
- China Championship 2017 · 28 Jul 2017 — 1 personal best set
- ZUA Open 2017 · 25 Mar 2017 — 2 personal bests set
- Linyi Open 2016 · 7 Aug 2016 — 2 personal bests set
- Taiyuan Open 2016 · 5 Jun 2016 — 3 personal bests set
- Qingdao Open 2016 · 20 Mar 2016 — 5 personal bests set
- Zibo Open 2015 · 15 Nov 2015 — 2 personal bests 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.
- Haibo Sui (隋海波) — met in 64 rounds, finished ahead 8 times
- Chenghao Guo (国成浩) — met in 49 rounds, finished ahead 30 times
- Yilin Miao (苗宜琳) — met in 43 rounds, finished ahead 28 times
Next targets
- A sub-10 3×3 single — 21,172 people have one; it is 0.11 away.
- A sub-4 Pyraminx single — 9,892 people have one; it is 0.37 away.
Targets move as he improves.