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People · Japan

Shunei Miyauchi (宮内俊英)

Megaminx · top 1.7% of 34,786 all-time · competing since July 2017 · 2017MIYA07

Shunei Miyauchi (宮内俊英) has been competing for 9 years. His best event is the Megaminx: a personal-best single of 40.52, set at Kansai Mega Day 2025, puts him in the top 1.7% of the 34,786 people who have ever been ranked in the event, and 13th in Japan. Until August 2014, no official Megaminx solve in the world had been that fast. Across 48 competitions since July 2017, he has put 526 official solves on the record across 16 events. Solve to solve, his 3×3 times vary about 13% around a typical one, steadier than 58% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 17.81 in July 2017 to 9.31, a 48% improvement. Shunei has entered 48 competitions, more competitions than 99% of everyone who has ever competed.

Megaminx
best event — top 1.7% of 34,786 all-time
40.52
signature single · Kansai Mega Day 2025
526
official solves on the record
13%
solve-to-solve spread · steadier than 58% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingJapan
Megaminx40.5246.21
top 1.7%13 / 313
3×3 Fewest Moves22 moves24.00
top 2.2%16 / 201
3×39.3112.60
top 5.6%235 / 3,329
2×22.293.98
top 7.0%92 / 1,021
Square-117.8022.76
top 22.9%88 / 245
3×3 blindfolded1:30.212:37.66
top 23.1%106 / 282
4×449.7255.63
top 24.4%253 / 667
Pyraminx7.0610.89
top 28.4%297 / 688
3×3 one-handed25.1237.60
top 34.5%280 / 529
Clock12.1414.47
top 35.6%133 / 263
Skewb7.7711.85
top 39.5%195 / 338
5×51:49.562:08.69
top 42.3%233 / 420
3×3 Multi-Blind3 of 3 cubes · 23:45—
top 54.4%85 / 128
6×63:36.873:51.42
top 57.5%138 / 209
7×76:16.606:59.57
top 71.4%148 / 188
4×4 blindfolded15:37.0017:50.00
early days — 3 solves61 / 81

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

Tokyo Pyraminx Open 2017: 17.81Yokohama 2017: 16.41Japan Open 2017: 17.06Minatomirai 2022: 14.12Yoga Summer B 2022: 14.27Ayase Autumn B 2022: 13.19Hiroshima Spring 2023: 12.66Ayase Summer 2023: 12.32Tokyo Challenge VII 2023: 11.65Taiwan Championship 2023: 12.75Hiroshima Winter 2024: 13.61Katano Milky Way 2024: 13.40Rubik's WCA Asian Championship 2024: 13.82Shonan PM 2024: 12.24Tokyo Spring AM 2025: 12.79Luzon Multi-Mega Madness 2025: 10.76Tokyo Summer 2025: 12.03Tokai Summer 2025: 11.17Kanto Summer PM 2025: 9.31Kanto Autumn PM 2025: 11.02Kansai Mega Day 2025: 11.96Tokyo Winter 2025: 11.61Tokyo Spring 2026: 10.60Kanto Spring 2026: 12.67Hiroshima Spring 2026: 12.70Japan Championship 2026: 12.50Kansai Mega Day 2026: 11.69Kanto Summer 2026: 12.339.3117.8129 Jul 201729 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-40 Megaminx single — 557 people have one; it is 0.52 away.
  • A sub-8 3×3 single — 7,931 people have one; it is 1.31 away.

Targets move as he improves.