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The Middle Three
People → Republic of Korea → Jihyun Choi (최지현)

People · Republic of Korea

Jihyun Choi (최지현)

4×4 · top 0.7% of 85,040 all-time · competing since February 2019 · 2019CHOI10

Jihyun Choi (최지현) has been competing for 8 years. Her best event is the 4×4: a personal-best single of 24.92, set at Korean Championship 2025, puts her in the top 0.7% of the 85,040 people who have ever been ranked in the event, and 18th in Republic of Korea. Until January 2014, no official 4×4 solve in the world had been that fast. Across 42 competitions since February 2019, she has put 1,228 official solves on the record across twelve events. Solve to solve, her 3×3 times vary about 13% around a typical one; 59% of the 36,406 competitors with ten or more counted rounds hold a tighter spread. Her 3×3 best has come down from 14.78 in February 2019 to 6.63, a 55% improvement. Jihyun has entered 42 competitions, more competitions than 99% of everyone who has ever competed.

4×4
best event — top 0.7% of 85,040 all-time
24.92
signature single · Korean Championship 2025
1,228
official solves on the record
13%
solve-to-solve spread · wider than 59% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingRepublic of Korea
4×424.9228.76
top 0.7%18 / 1,316
3×36.637.91
top 0.97%68 / 4,390
5×556.821:01.24
top 4.1%48 / 725
3×3 one-handed13.0414.01
top 4.5%58 / 981
2×22.003.49
top 4.8%130 / 2,334
Megaminx52.971:04.33
top 6.5%50 / 526
Clock7.4310.25
top 12.6%87 / 541
6×62:05.882:11.97
top 13.7%69 / 335
Skewb4.498.82
top 14.4%156 / 874
Pyraminx5.648.80
top 17.4%281 / 1,294
7×73:31.083:38.22
top 20.2%78 / 256
3×3 Fewest Moves40 moves44.00
top 48.5%90 / 173

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

Seoul Winter 2019: 14.78Play Cube X4 2019: 12.63Cubing Operating System Summer 2019: 11.24Cube Camp in Wonju 2019: 11.58Korean Championship 2019: 10.40Daegu Autumn Open 2019: 11.98Cubing Korea 2019: 9.50ByeolLae Open 2020: 10.18Korean Championship Mini 2021: 10.40Korean Spring 2022: 8.88Korean Championship 2022: 8.42KAIST Fall 2022: 8.10Anyang Haseyo 2024: 8.45Busan Spring 2024: 7.98Prime Cubing Day Seoul 2024: 8.32Philippine Championship 2024: 8.15Korean Championship 2024: 7.32Rubik's WCA Asian Championship 2024: 8.36Hamchang Winter 2024: 7.58Taiwan Championship 2024: 8.37Happy Suseong 2025: 8.28Anyang Haseyo 2025: 8.23Korea Newcomers PM 2025: 8.87Daejeon Spring 2025: 8.12Rubik's WCA World Championship 2025: 7.76Cube Camp in Suan Phueng 2025: 7.98Korea Open 2025: 8.47We Laugh Pohanghang 2025: 7.57Okcheon Autumn Breeze 2025: 8.00Uhseo Osong 2025: 6.89Taiwan Championship 2025: 8.14Korean Championship 2025: 7.68Seoul Winter 2026: 7.85Ansan Favorites 2026: 7.77Cube Camp in Jeju 2026: 7.40Anyang Haseyo 2026: 8.17Uhseo Osong 2026: 6.63Korea Open 2026: 7.996.6314.7823 Feb 201915 Aug 2026

Best single per competition, 3×3. Faster is higher — the axis is the right way up.

The story so far

Competitions

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 her.

Next targets

  • A sub-20 4×4 single — 46 people have one; it is 4.92 away.
  • A sub-6 3×3 single — 1,419 people have one; it is 0.63 away.

Targets move as she improves.