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The Middle Three
People → Japan → Yusuke Kosaka (髙阪優輔)

People · Japan

Yusuke Kosaka (髙阪優輔)

3×3 Fewest Moves · top 3.0% of 12,294 all-time · competing since April 2019 · 2019KOSA01

Yusuke Kosaka (髙阪優輔) has been competing for 7 years. His best event is the 3×3 Fewest Moves: a personal-best single of 23 moves, set at Tokyo FMC Spring 2026, puts him in the top 3.0% of the 12,294 people who have ever been ranked in the event, and 21st in Japan. Across 47 competitions since April 2019, he has put 200 official solves on the record across 13 events. Solve to solve, his 3×3 times vary about 17% around a typical one; 96% of the 35,811 competitors with ten or more counted rounds hold a tighter spread. His 3×3 best has come down from 25.92 in April 2019 to 11.48, a 56% improvement. Yusuke has entered 47 competitions, more competitions than 99% of everyone who has ever competed.

3×3 Fewest Moves
best event — top 3.0% of 12,294 all-time
23 moves
signature single · Tokyo FMC Spring 2026
200
official solves on the record
17%
solve-to-solve spread · wider than 96% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingJapan
3×3 Fewest Moves23 moves25.67
top 3.0%21 / 201
3×311.4814.35
top 12.1%520 / 3,329
2×22.865.47
top 12.7%171 / 1,021
3×3 one-handed20.2422.41
top 21.1%177 / 529
3×3 blindfolded1:29.462:16.54
top 22.9%104 / 282
Skewb6.748.29
top 31.6%161 / 338
Clock12.1116.13
top 35.5%130 / 263
Megaminx1:42.521:53.93
top 36.2%184 / 313
4×41:00.431:14.74
top 36.9%363 / 667
3×3 Multi-Blind4 of 4 cubes · 35:15—
top 44.2%72 / 128
Pyraminx9.4112.61
top 48.3%431 / 688
Square-131.5833.92
top 52.4%160 / 245
6×64:47.045:03.28
early days — 3 solves180 / 209

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

Tribox Open Spring 2019: 25.92Ayase Autumn 2019: 19.46Hiroshima Open 2019: 18.36Ayase 2020: 20.07Kanazawa Open 2020: 21.62Ota Summer 2022: 15.30Yoga Summer A 2022: 12.49Ayase Autumn A 2022: 15.52Tokyo Challenge Winter C 2023: 12.30Tokyo Challenge VII 2023: 13.95Kanto Winter 2026: 11.48Kanto Summer 2026: 11.5711.4825.9228 Apr 201929 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 1.48 away.
  • A sub-2 2×2 single — 8,848 people have one; it is 0.86 away.

Targets move as he improves.