High Quality Content by WIKIPEDIA articles! The 2011 GP Car and Home World Cup of Curling was held from November 2 to 6 at the Essar Centre in Sault Ste. Marie, Ontario. It was the first Grand Slam event of the 2011–12 curling season and the eleventh time the tournament has been held. The purse for the event was CAD$100,000. Glenn Howard won his fifth World Cup of Curling and his ninth Grand Slam title overall after he and his team defeated John Epping in the final with a score of 6–4.