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The Middle Three
People → Republic of Korea → Seo Jin Yang (양서진)

People · Republic of Korea

Seo Jin Yang (양서진)

Pyraminx · top 0.058% of 130,891 all-time · competing since October 2023 · 2023YANG73

Seo Jin Yang (양서진) has been competing for 3 years. His best event is the Pyraminx: a personal-best single of 1.06, set at Korean Championship 2025, puts him in the top 0.058% of the 130,891 people who have ever been ranked in the event, and 2nd in Republic of Korea. Until June 2018, no official Pyraminx solve in the world had been that fast. Across 18 competitions since October 2023, he has put 890 official solves on the record across 13 events. Solve to solve, his 3×3 times vary about 14% around a typical one; 67% of the 36,406 competitors with ten or more counted rounds hold a tighter spread. His Pyraminx best has come down from 3.12 in December 2023 to 1.06, a 66% improvement. Seo has entered 18 competitions, more competitions than 96% of everyone who has ever competed.

Pyraminx
best event — top 0.058% of 130,891 all-time
1.06
signature single · Korean Championship 2025
890
official solves on the record
14%
solve-to-solve spread · wider than 67% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingRepublic of Korea
Pyraminx1.061.80
top 0.058%2 / 1,294
3×36.298.30
top 0.69%49 / 4,390
2×21.181.67
top 0.99%24 / 2,334
4×426.0334.55
top 1.0%25 / 1,316
Clock3.193.67
top 1.0%8 / 541
Skewb1.883.94
top 1.1%12 / 874
3×3 one-handed10.9813.66
top 1.8%23 / 981
Square-17.1611.75
top 2.0%10 / 383
5×51:08.311:20.99
top 10.5%113 / 725
Megaminx1:10.811:19.48
top 16.1%113 / 526
3×3 blindfolded2:42.06—
early days — 3 solves117 / 222
7×74:54.165:31.68
top 49.1%158 / 256
6×63:29.513:41.08
top 54.6%213 / 335

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 2023: 3.12Busan Spring 2024: 1.47Korean Championship 2024: 1.24Daegu Autumn 2024: 1.45Korea Newcomers AM 2025: 1.60Please Minx Korea 2025: 1.15Suwon Summer 2025: 1.95Korea Open 2025: 1.59Okcheon Autumn Breeze 2025: 1.75Korean Championship 2025: 1.06Cube Camp in Jeju 2026: 1.56Hamoye Jinju 2026: 1.45Korea Open 2026: 1.15Ansan Autumn 2026: 1.311.063.1215 Dec 202319 Sep 2026

Best single per competition, Pyraminx. 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-1 Pyraminx single — 49 people have one; it is 0.06 away.
  • A sub-6 3×3 single — 1,419 people have one; it is 0.29 away.

Targets move as he improves.