Yasunari Kumekawa (粂川泰成) — Square-1 (WCA) results & prs
Results & PRs for Yasunari Kumekawa (粂川泰成)'s official Square-1 (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
Yasunari Kumekawa (粂川泰成) — Square-1 (WCA)
Every number on this screen is Yasunari Kumekawa (粂川泰成)'s Square-1 (WCA) results only — no other competitor or event is mixed in.
Yasunari Kumekawa (粂川泰成) has no Square-1 rating yet. Ratings are seeded from WCA world rankings and then move with every club challenge. See the Square-1 board
Results & PRs
Yasunari Kumekawa (粂川泰成) · Square-1 (WCA)
PBs, PR progression and PR pace
Yasunari Kumekawa (粂川泰成)'s Square-1 PB average is 7.59, set at Japan Championship 2026, after 11 PRs in this event — and typically competes within 14% of the PB average held walking in.
PB singlelower is better
6.48
Ota Spring 2025
PB averagelower is better
7.59
Japan Championship 2026
Total event PRs
11
Single vs average PRs
4 / 7
single PRs / average PRs
Avg days between PRslower is better
206
Longest gap
288d
2023-09-23 → 2024-07-07
How close to peak?lower is better
113.6%
43% of comps within 10% of PB pace
Recent PR pace
2 / 12mo
5 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 116% is this cuber's own typical pace.