#rubik-cube

1,300 formulas, 2-3 hours of practice and just 4.27 seconds: How 6-year-old Lian Yunzhi broke Rubik’s Cube world record twice in 3 days

Six-year-old Chinese speedcuber Lian Yunzhi has twice broken the women’s 3x3x3 Rubik’s Cube average world record within days. She first posted a 4.52-second average in Wuhan before improving to 4.27 seconds in Guangzhou, where her fastest individual solve was…