Fumiki Koseki (古関章記) — 3x3x3 One-Handed (WCA) results & prs
Results & PRs for Fumiki Koseki (古関章記)'s official 3x3x3 One-Handed (WCA) results: every round on record, measured against their own personal bests and their peers.
Results & PRs for Fumiki Koseki (古関章記)'s official 3x3x3 One-Handed (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
Every number on this screen is Fumiki Koseki (古関章記)'s 3x3x3 One-Handed (WCA) results only — no other competitor or event is mixed in.
Fumiki Koseki (古関章記) has no 3x3x3 One-Handed rating yet. Ratings are seeded from WCA world rankings and then move with every club challenge. See the 3x3x3 One-Handed board
Results & PRs
PBs, PR progression and PR pace
Fumiki Koseki (古関章記)'s 3x3x3 One-Handed PB average is 28.80, set at Shonan PM 2024, after 17 PRs in this event — and typically competes within 14% of the PB average held walking in.
PB singlelower is better
22.29
Tokyo Summer 2025
PB averagelower is better
28.80
Shonan PM 2024
Total event PRs
17
Single vs average PRs
7 / 10
single PRs / average PRs
Avg days between PRslower is better
445
Longest gap
1554d
2014-11-01 → 2019-02-02
How close to peak?lower is better
114.1%
53% of comps within 10% of PB pace
Recent PR pace
0 / 12mo
2 in the 12 months before
PR progression over time
How close to peak?
100% means solving exactly at PB-average pace — almost nobody lives there. Green is within 10% of PB or better; the dashed line at 110% is this cuber's own typical pace.