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The Middle Three
People → Japan → Takeru Iguchi (井口丈瑠)

People · Japan

Takeru Iguchi (井口丈瑠)

3×3 · top 0.59% of 288,433 all-time · competing since February 2023 · 2023IGUC01

Takeru Iguchi (井口丈瑠) has been competing for 4 years. His best event is the 3×3: a personal-best single of 6.16, set at Katano Spring 2026, puts him in the top 0.59% of the 288,433 people who have ever been ranked in the event, and 28th in Japan. Until June 2011, no official 3×3 solve in the world had been that fast. Across 24 competitions since February 2023, he has put 487 official solves on the record across twelve events. Solve to solve, his 3×3 times vary about 11% around a typical one, steadier than 89% of the 36,406 competitors with ten or more counted rounds. His 3×3 best has come down from 9.46 in February 2023 to 6.16, a 35% improvement. Takeru has entered 24 competitions, more competitions than 97% of everyone who has ever competed.

3×3
best event — top 0.59% of 288,433 all-time
6.16
signature single · Katano Spring 2026
487
official solves on the record
11%
solve-to-solve spread · steadier than 89% of the field

Standing, event by event

vs everyone ever ranked
EventPB singlePB averageAll-time standingJapan
3×36.167.41
top 0.59%28 / 3,360
2×21.162.06
top 0.93%7 / 1,026
4×425.7529.04
top 0.93%14 / 679
5×546.5651.33
top 0.96%8 / 426
7×72:10.242:21.45
top 1.2%3 / 188
6×61:28.061:31.17
top 1.6%4 / 209
3×3 one-handed12.3114.24
top 3.5%43 / 539
Megaminx51.8555.21
top 6.0%42 / 313
Square-113.1517.87
top 12.3%49 / 251
Pyraminx4.946.79
top 12.8%158 / 691
Skewb5.737.76
top 23.8%130 / 354
Clock15.7317.61
top 50.8%181 / 268

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

Go x Go Kyoto 2023: 9.46Hiroshima Spring 2023: 10.76Kanazawa Challenge Spring PM 2023: 9.61Ayase Summer 2023: 9.20Otsu Biwako Autumn 2023: 9.99Hiroshima Winter 2024: 7.51Kanazawa 2024: 6.63Katano Milky Way 2024: 7.62Tokai Open PM 2024: 7.48Tokai Spring 2025: 6.49Kansai Odd and BLD 2025: 7.05Tokyo Summer 2025: 7.82Tokai Summer 2025: 7.17Katano Summer 2025: 7.49Shimonoseki 2025: 6.92Katano Spring 2026: 6.16Otsu Biwako Spring 2026: 7.63Japan Championship 2026: 7.38Otsu Biwako Autumn 2026: 6.316.1610.7612 Feb 202320 Sep 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-6 3×3 single — 1,419 people have one; it is 0.16 away.
  • A sub-1 2×2 single — 1,050 people have one; it is 0.16 away.

Targets move as he improves.