Yasunari Kumekawa (粂川泰成) — 3x3x3 One-Handed (WCA) results & prs
Results & PRs for Yasunari Kumekawa (粂川泰成)'s official 3x3x3 One-Handed (WCA) results: every round on record, measured against their own personal bests and their peers.
Results & PRs for Yasunari Kumekawa (粂川泰成)'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 Yasunari Kumekawa (粂川泰成)'s 3x3x3 One-Handed (WCA) results only — no other competitor or event is mixed in.
Yasunari Kumekawa (粂川泰成) 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
Yasunari Kumekawa (粂川泰成)'s 3x3x3 One-Handed PB average is 21.35, set at Shonan PM 2024, after 5 PRs in this event — and typically competes within 6% of the PB average held walking in.
PB singlelower is better
19.07
Katano Spring 2026
PB averagelower is better
21.35
Shonan PM 2024
Total event PRs
5
Single vs average PRs
3 / 2
single PRs / average PRs
Avg days between PRslower is better
455
Longest gap
469d
2024-12-07 → 2026-03-21
How close to peak?lower is better
106.1%
67% of comps within 10% of PB pace
Recent PR pace
1 / 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 104% is this cuber's own typical pace.