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We're pulling Xiaohan Sun (孙效涵)'s photo from the official WCA records. It usually takes a few seconds — reload to see the finished page.
Primary report
How each competitor's rank moved over time, from the event-sourced ranking log.
Ranking history
Structured side-by-side comparison across performance, rankings and competition profile — Skewb (WCA) · single
Lower is better for times and rankings; higher is better for counts. Rankings come from the event-sourced ranking log, results from the WCA mirror.