People · Japan
Hisako Koba (古場寿子)
3×3 · top 97.8% of 284,439 all-time · competing since November 2011 · 2011KOBA01
Hisako Koba (古場寿子) has been competing for 15 years. Her best event is the 3×3: a personal-best single of 1:27.88, set at Asian Championship 2014, puts her in the top 97.8% of the 284,439 people who have ever been ranked in the event, and 3,212th in Japan. Across 2 competitions since November 2011, she has put 7 official solves on the record across one event. Her 3×3 best has come down from 2:04.58 in November 2011 to 1:27.88, a 29% improvement. Hisako has entered two competitions.
Standing, event by event
vs everyone ever ranked| Event | PB single | PB average | All-time standing | Japan | |
|---|---|---|---|---|---|
| 3×3 | 1:27.88 | 1:36.78 | top 97.8% | 3,212 / 3,329 |
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
- 27 Nov 2011First competition: UT Open 2011. A 2:04.58 3×3 single to start from.
Competitions
- Asian Championship 2014 · 1 Nov 2014 — 1 personal best set
- UT Open 2011 · 27 Nov 2011
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.
Next targets
- A sub-1:00 3×3 single — 260,367 people have one; it is 27.88 away.
Targets move as she improves.