This page is still filling in
We're pulling Guoping Ren (任国平)'s photo from the official WCA records. It usually takes a few seconds — reload to see the finished page.
Guoping Ren (任国平) — 4x4x4 Cube (WCA) national ranking (single) history
Primary report
Ranking History
How each competitor's rank moved over time, from the event-sourced ranking log.