**_Winsome Lynne Frederick is stalked by an obsessed man on the ugly side of London_** A famous young figure skater in London (Frederick) marries an older guy (John Leyton), but soon discerns she’s being stalked by some grim tall man (Jack Watson). Stephanie Beacham is on hand as a friend while John Fraser plays a psychiatrist. “Schizo” (1976) is a British slasher that predates both "Halloween" and Lynn-Holly Johnson’s “Ice Castles” by two years. I mention the latter because of the skating element, which is only prominent in the opening. People mistakenly think the slasher started with…