LONDON - Kazakhstan's Zulfiya Chinshanlo set a world record in the clean and jerk as she powered to Olympic gold in the women's -53kg class on Sunday. The two-time world champion, 19, snatched 95kg and then registered a best of 131kg in the clean and jerk for a combined total of 226kg. Asian champion Hsu Shu-Ching of Taiwan took silver with a total of 219kg (96, 123), on countback from Moldova's Cristina Iovu, who took bronze with 219kg (99, 120). The Chinese team, looking to repeat their Beijing Games form, made a bad tactical blunder, Zhou Jun failing to register a mark in the snatch after opting to compete in the 'B' group.