Sunday 6 September 2026 Rebuilt nightly from the WCA's official results · export of 6 September 2026 · About
The Middle Three
People → Republic of Korea → EunChan Jung (정은찬)

People · Republic of Korea

EunChan Jung (정은찬)

3×3 · top 13.1% of 284,439 all-time · competing since July 2017 · 2017JUNG06

EunChan Jung (정은찬) has been competing for 9 years. His best event is the 3×3: a personal-best single of 11.78, set at Anyang Haseyo 2025, puts him in the top 13.1% of the 284,439 people who have ever been ranked in the event, and 745th in Republic of Korea. Across 39 competitions since July 2017, he has put 707 official solves on the record across twelve events. Solve to solve, his 3×3 times vary about 13% around a typical one, steadier than 52% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 22.51 in July 2017 to 11.78, a 48% improvement. EunChan has entered 39 competitions, more competitions than 99% of everyone who has ever competed.

3×3
best event — top 13.1% of 284,439 all-time
11.78
signature single · Anyang Haseyo 2025
707
official solves on the record
13%
solve-to-solve spread · steadier than 52% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingRepublic of Korea
3×311.7813.94
top 13.1%745 / 4,352
4×442.1249.97
top 14.7%281 / 1,308
5×51:34.021:47.44
top 30.7%269 / 716
2×24.585.85
top 34.0%1,012 / 2,319
Pyraminx8.6712.96
top 42.0%623 / 1,271
3×3 one-handed34.1537.38
top 55.7%659 / 966
Megaminx2:19.112:37.18
top 55.9%341 / 524
Clock22.0929.66
top 70.3%437 / 536
6×64:25.044:31.44
top 73.2%261 / 329
Skewb13.7325.46
top 73.7%673 / 854
3×3 blindfolded6:06.22—
early days — 2 solves198 / 217
7×78:08.858:55.53
top 89.3%248 / 254

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

Korean Championship 2017: 22.51Korean CWR Style 2017: 17.99Cutory Autumn Open 2018: 17.27Korea Winter 2019: 15.59Cutory Blossom 2019: 15.02Daegu Autumn Open 2019: 17.04Seoul Summer 2022: 16.93Daegu Hot Autumn 2022: 16.91Cubing SimCheong Open 2022: 14.24Daegu Hot Spring 2023: 14.01Rubik's WCA World Championship 2023: 12.03Hamchang Open 2023: 11.99Seoul Open 2024: 14.30Daegu Cold Winter 2024: 12.06Anyang Haseyo 2024: 14.22Busan Spring 2024: 14.45Korea Qualifier - Daegu C 2024: 12.56Ansan Summer 2024: 13.46Korean Championship 2024: 14.39Brown Fall Seongnam 2024: 12.98Hamchang Winter 2024: 14.18Seoul Winter 2024: 12.88Happy Suseong 2025: 15.86Anyang Haseyo 2025: 11.78Korea Newcomers AM 2025: 12.36Daejeon Spring 2025: 12.02Suwon Summer 2025: 14.05Korea Open 2025: 13.48We Laugh Pohanghang 2025: 13.15Okcheon Autumn Breeze 2025: 14.33Uhseo Osong 2025: 13.09Seoul Winter 2026: 12.19Cube Camp in Jeju 2026: 13.50Hamoye Jinju 2026: 12.98Uhseo Osong 2026: 11.88Seoul Summer 2026: 14.28Korea Open 2026: 12.9911.7822.5128 Jul 201715 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 his.

Next targets

  • A sub-10 3×3 single — 21,172 people have one; it is 1.78 away.
  • A sub-40 4×4 single — 10,180 people have one; it is 2.12 away.

Targets move as he improves.