Global body regulating twisty-puzzle competitions since 2004
Lian Yunzhi has become the only female speedcuber to average under 4.5 seconds, achieving 4.52 and 4.27-second averages at competitions in Wuhan and Guangzhou, according to CCTV. She has trained two to three hours daily, mastering over 1,300 algorithms. Her early results started from age four.