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Results & PRs for Yan Zheng (郑岩)'s official Square-1 (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
Every number on this screen is Yan Zheng (郑岩)'s Square-1 (WCA) results only — no other competitor or event is mixed in.
Yan Zheng (郑岩) 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
PBs, PR progression and PR pace
Yan Zheng (郑岩)'s Square-1 PB average is 43.21, set at Inner Mongolia Winter 2018, after 5 PRs in this event — and typically competes within 0% of the PB average held walking in.
PB singlelower is better
30.47
Changchun Open 2018
PB averagelower is better
43.21
Inner Mongolia Winter 2018
Total event PRs
5
Single vs average PRs
3 / 2
single PRs / average PRs
Avg days between PRslower is better
337
Longest gap
539d
2016-08-13 → 2018-02-03
How close to peak?lower is better
97.3%
100% of comps within 10% of PB pace
Recent PR pace
0 / 12mo
0 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 94% is this cuber's own typical pace.