Global governing body for twisty-puzzle competitions
Six-year-old Lian Yunzhi has broken the women’s 3x3 Rubik’s Cube world record twice this month, with averages of 4.52 seconds and 4.27 seconds at competitions in Wuhan and Guangzhou, respectively. She is the first female speedcuber to average under 4.5 seconds, and training has included more than 1,300 solving formulas and daily practice.