People · Republic of Korea
Chi-Uk Park
3×3 · top 1.9% of 284,439 all-time · competing since October 2015 · 2015PARK15
Chi-Uk Park has been competing for 11 years. His best event is the 3×3: a personal-best single of 7.42, set at We Laugh Pohanghang 2025, puts him in the top 1.9% of the 284,439 people who have ever been ranked in the event, and 112th in Republic of Korea. Until July 2008, no official 3×3 solve in the world had been that fast. Across 11 competitions since October 2015, he has put 207 official solves on the record across eight events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 84% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 19.88 in October 2015 to 7.42, a 63% improvement. He has entered eleven competitions, more competitions than 93% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | Republic of Korea | |
|---|---|---|---|---|---|
| 3×3 | 7.42 | 8.37 | top 1.9% | 112 / 4,352 | |
| Pyraminx | 3.26 | 4.18 | top 4.5% | 77 / 1,271 | |
| 3×3 one-handed | 15.98 | 17.96 | top 10.2% | 153 / 966 | |
| 4×4 | 47.05 | 50.62 | top 20.9% | 373 / 1,308 | |
| 2×2 | 3.77 | 4.45 | top 23.6% | 713 / 2,319 | |
| 5×5 | 1:49.70 | 1:58.45 | top 42.4% | 360 / 716 | |
| Megaminx | 2:24.55 | 2:45.68 | top 58.6% | 352 / 524 | |
| Clock | 18.90 | — | early days — 3 solves | 390 / 536 |
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
- 20 Jul 2024Three personal bests in one day at Ansan Summer 2024.
- 28 Oct 2017Three personal bests in one day at CWR Fall 2017.
- 6 May 2017First sub-10 3×3: 9.71 at Korean Spring Picnic 2017.
- 12 Aug 2016Four personal bests in one day at Korean Championship 2016.
- 22 May 2016Three personal bests in one day at Cube Is Good 2016.
- 13 Feb 2016First sub-15 3×3: 14.04 at Valentine in Daegu 2016.
Competitions
- We Laugh Pohanghang 2025 · 14 Sep 2025 — 1 personal best set
- Happy Suseong 2025 · 18 Jan 2025
- Ansan Summer 2024 · 20 Jul 2024 — 3 personal bests set
- Daegu Autumn Open 2019 · 13 Oct 2019 — 2 personal bests set
- Cutory Autumn Open 2018 · 17 Nov 2018
- CWR Fall 2017 · 28 Oct 2017 — 3 personal bests set
- Korean Spring Picnic 2017 · 6 May 2017 — 1 personal best set
- Korean Championship 2016 · 12 Aug 2016 — 4 personal bests set
- Cube Is Good 2016 · 22 May 2016 — 3 personal bests set
- Valentine in Daegu 2016 · 13 Feb 2016 — 2 personal bests set
- Korean KAIST Style 2015 · 9 Oct 2015
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.
- JaeYoung Chun (천재영) — met in 31 rounds, finished ahead 27 times
- Minseo Gu (구민서) — met in 31 rounds, finished ahead 7 times
- Jong-Ho Jeong (정종호) — met in 30 rounds, finished ahead 3 times
Next targets
- A sub-6 3×3 single — 1,376 people have one; it is 1.42 away.
- A sub-3 Pyraminx single — 4,700 people have one; it is 0.26 away.
Targets move as he improves.