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The Middle Three
People → Japan → Akifumi Sasaki (佐々木彰史)

People · Japan

Akifumi Sasaki (佐々木彰史)

3×3 · top 5.1% of 284,439 all-time · competing since May 2017 · 2017SASA03

Akifumi Sasaki (佐々木彰史) has been competing for 9 years. His best event is the 3×3: a personal-best single of 9.11, set at Japan Championship 2026, puts him in the top 5.1% of the 284,439 people who have ever been ranked in the event, and 211th in Japan. Until May 2008, no official 3×3 solve in the world had been that fast. Across 23 competitions since May 2017, he has put 403 official solves on the record across 17 events. Solve to solve, his 3×3 times vary about 12% around a typical one, steadier than 69% of the 35,811 competitors with ten or more counted rounds. His 3×3 best has come down from 52.58 in May 2017 to 9.11, an 83% improvement. Akifumi has entered 23 competitions, more competitions than 97% of everyone who has ever competed.

3×3
best event — top 5.1% of 284,439 all-time
9.11
signature single · Japan Championship 2026
403
official solves on the record
12%
solve-to-solve spread · steadier than 69% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingJapan
3×39.1110.17
top 5.1%211 / 3,329
3×3 Fewest Moves26 moves38.67
top 6.2%33 / 201
3×3 blindfolded38.531:07.53
top 6.4%32 / 282
3×3 one-handed14.5518.39
top 7.2%72 / 529
4×4 blindfolded3:23.81—
top 10.3%9 / 81
2×23.064.47
top 14.9%200 / 1,021
4×443.4751.42
top 16.4%165 / 667
Square-117.9022.26
top 23.1%90 / 245
5×51:24.921:32.54
top 23.2%138 / 420
Megaminx1:24.621:30.23
top 24.7%143 / 313
Skewb6.2611.39
top 27.8%140 / 338
Clock11.0111.95
top 30.2%113 / 263
3×3 Multi-Blind9 of 12 cubes · 45:57—
top 31.9%55 / 128
Pyraminx7.808.36
top 34.5%346 / 688
7×74:28.644:57.30
top 40.6%87 / 188
6×63:24.193:52.38
top 52.4%127 / 209
5×5 blindfolded18:16.00—
top 53.5%26 / 50

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

Meguro 2017: 52.58Cal Poly SLO Spring 2022: 10.43San Diego Spring 2022: 13.18A Bruin Cube Day 2022: 9.87Bay Area Speedcubin' 32 LIVE - SSF 2022: 10.48Irvine Summer 2022: 11.44WCC Western Championship 2022: 10.24Marshall Cubing Spring 2023: 9.31Rubik's WCA World Championship 2023: 10.21Tokyo Challenge VIII 2023: 9.90UCSD Winter 2023: 10.44Tokyo Spring AM 2025: 9.36Japan Championship 2026: 9.119.1152.585 May 201718 Jul 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-8 3×3 single — 7,931 people have one; it is 1.11 away.
  • A sub-30 3×3 blindfolded single — 501 people have one; it is 8.53 away.

Targets move as he improves.