AACHEN, Germany, July 14–Isabell Werth rode Warum Nicht FRH to a convincing victory in the Grand Prix CDI at the World Equestrian Festival CHIO Wednesday night, after a violent storm interrupted competition for two hours…

Anja Plönzke of Germany is atop the latest Nurnberger World Dressage Masters Rider Rankings after the first two of five CDI5* events on the 2010-11 lineup in which Nurnberger Versicherungsgruppe awards €25,000 (US$31,800) to the winner…