Blue Rose Cen (Ire) (Churchill {Ire}), the joint-top-rated 3-year-old filly in Europe last year and a Group 1 winner in both of her seasons to race, has been moved from the stable of Christopher Head to that of his fellow Chantilly trainer Maurizio Guarnieri. The news was first reported by Jour de Galop. Blue Rose Cen races in the colours of her breeder Leopoldo Fernandez Pujals of Yeguada Centurion, who, along with Head, also had the second-top-rated horse in Europe last year in Big Rock (Ire) (Rock Of Gibraltar {Ire})....