David-Nuo Cheng — Clock (WCA) results & prs
Results & PRs for David-Nuo Cheng's official Clock (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
David-Nuo Cheng — Clock (WCA)
Every number on this screen is David-Nuo Cheng's Clock (WCA) results only — no other competitor or event is mixed in.
David-Nuo Cheng has no Clock rating yet. Ratings are seeded from WCA world rankings and then move with every club challenge. See the Clock board
Results & PRs
David-Nuo Cheng · Clock (WCA)
PBs, PR progression and PR pace
David-Nuo Cheng's Clock PB average is 17.55, set at Waterloo Fall 2025, after 5 PRs in this event — and typically competes within 0% of the PB average held walking in.
PB singlelower is better
13.95
Western Ontario Winter 2025
PB averagelower is better
17.55
Waterloo Fall 2025
Total event PRs
5
Single vs average PRs
2 / 3
single PRs / average PRs
Avg days between PRslower is better
168
Longest gap
251d
2025-03-23 → 2025-11-29
How close to peak?lower is better
99.9%
60% of comps within 10% of PB pace
Recent PR pace
1 / 12mo
4 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 105% is this cuber's own typical pace.