 Complete the following phrase:  The 2007 World Cup was part of the cycle for the World Chess Championship 2010. Gata Kamsky, as the winner of this tournament, played an eight-game match against Veselin Topalov in 2008, for the right to be the challenger for the World Chess Championship 2010. Ultimately Topalov won the match and will face World Champion Viswanathan Ad, who successfully defended his title against former champion Vladimir Kramnik at the 