People · Japan
Shinji Jidai (地代信史)
3×3 · top 13.5% of 284,439 all-time · competing since April 2025 · 2025JIDA01
Shinji Jidai (地代信史) has been competing for a year. His best event is the 3×3: a personal-best single of 11.87, set at Katano Summer 2025, puts him in the top 13.5% of the 284,439 people who have ever been ranked in the event, and 571st in Japan. Across 4 competitions since April 2025, he has put 28 official solves on the record across two events. Solve to solve, his 3×3 times vary about 13% around a typical one, an early reading from 5 counted rounds. That figure sets aside his 2 DNFs. Shinji has entered four competitions, more competitions than 78% of everyone who has ever competed.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | Japan | |
|---|---|---|---|---|---|
| 3×3 | 11.87 | 15.57 | top 13.5% | 571 / 3,329 | |
| 2×2 | 8.09 | 14.40 | top 68.4% | 774 / 1,021 |
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
Best single per competition, 3×3. Faster is higher — the axis is the right way up.
The story so far
- 12 Apr 2025First competition: Tokai Spring 2025. A 13.05 3×3 single to start from.
Competitions
- Kansai Mega Day 2026 · 1 Aug 2026
- Katano Summer 2025 · 15 Sep 2025 — 1 personal best set
- Kansai Odd and BLD 2025 · 15 Jun 2025
- Tokai Spring 2025 · 12 Apr 2025
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.
- Yuichi Hamada (濵田祐一) — met in 6 rounds, finished ahead 4 times
- Takayuki Tanaka (田中隆喜) — met in 6 rounds, never finished ahead
- Kantaro Sakamoto (坂本貫太郎) — met in 6 rounds, never finished ahead
Next targets
- A sub-10 3×3 single — 21,172 people have one; it is 1.87 away.
- A sub-8 2×2 single — 126,624 people have one; it is 0.09 away.
Targets move as he improves.