Jia Song (宋佳) — Square-1 (WCA) results & prs
Results & PRs for Jia Song (宋佳)'s official Square-1 (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
Jia Song (宋佳) — Square-1 (WCA)
Every number on this screen is Jia Song (宋佳)'s Square-1 (WCA) results only — no other competitor or event is mixed in.
Jia Song (宋佳) 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
Jia Song (宋佳) · Square-1 (WCA)
PBs, PR progression and PR pace
Jia Song (宋佳)'s Square-1 PB average is 20.34, set at Phitsanulok Chill Big & Sides 2026, after 6 PRs in this event — and typically competes within 0% of the PB average held walking in.
PB singlelower is better
18.17
Jiajiang Open 2026
PB averagelower is better
20.34
Phitsanulok Chill Big & Sides 2026
Total event PRs
6
Single vs average PRs
4 / 2
single PRs / average PRs
Avg days between PRslower is better
245
Longest gap
287d
2025-04-26 → 2026-02-07
How close to peak?lower is better
99.6%
100% of comps within 10% of PB pace
Recent PR pace
3 / 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 107% is this cuber's own typical pace.