Yu-Chia Chang (張祐嘉) — 3x3x3 Cube (WCA) results & prs
Results & PRs for Yu-Chia Chang (張祐嘉)'s official 3x3x3 Cube (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
Yu-Chia Chang (張祐嘉) — 3x3x3 Cube (WCA)
Every number on this screen is Yu-Chia Chang (張祐嘉)'s 3x3x3 Cube (WCA) results only — no other competitor or event is mixed in.
Yu-Chia Chang (張祐嘉) has no 3x3x3 Cube rating yet. Ratings are seeded from WCA world rankings and then move with every club challenge. See the 3x3x3 Cube board
Results & PRs
Yu-Chia Chang (張祐嘉) · 3x3x3 Cube (WCA)
PBs, PR progression and PR pace
Yu-Chia Chang (張祐嘉)'s 3x3x3 Cube PB average is 7.06, set at Maru Cube Day Taiwan 2026, after 15 PRs in this event — and typically competes within 2% of the PB average held walking in.
PB singlelower is better
5.95
Shin Kong Cube Open - Taichung 2026
PB averagelower is better
7.06
Maru Cube Day Taiwan 2026
Total event PRs
15
Single vs average PRs
7 / 8
single PRs / average PRs
Avg days between PRslower is better
318
Longest gap
1631d
2019-09-15 → 2024-03-03
How close to peak?lower is better
102.2%
73% of comps within 10% of PB pace
Recent PR pace
5 / 12mo
1 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 103% is this cuber's own typical pace.