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Results & PRs for Shibo Zhang (张世博)'s official 2x2x2 Cube (WCA) results: every round on record, measured against their own personal bests and their peers.
Competitor event analysis
Every number on this screen is Shibo Zhang (张世博)'s 2x2x2 Cube (WCA) results only — no other competitor or event is mixed in.
Shibo Zhang (张世博) has no 2x2x2 Cube rating yet. Ratings are seeded from WCA world rankings and then move with every club challenge. See the 2x2x2 Cube board
Results & PRs
PBs, PR progression and PR pace
Shibo Zhang (张世博)'s 2x2x2 Cube PB average is 2.21, set at Xi'an Autumn 2025, after 14 PRs in this event — and typically competes within 16% of the PB average held walking in.
PB singlelower is better
1.42
Xi'an Cherry Blossom 2025
PB averagelower is better
2.21
Xi'an Autumn 2025
Total event PRs
14
Single vs average PRs
7 / 7
single PRs / average PRs
Avg days between PRslower is better
379
Longest gap
1319d
2020-01-01 → 2023-08-12
How close to peak?lower is better
116.0%
36% of comps within 10% of PB pace
Recent PR pace
1 / 12mo
3 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 115% is this cuber's own typical pace.