There were plans for him to play a fourteen-game match against Kasparov in Yalta in September 2003 , the winner of which would go on to play the winner of a match between Kramnik and PÃ ter LÃ kÃ as part of the so-called `` Prague Agreement '' to reunify the World Chess Championship ( from 1993 until 2006 there were two world chess championships ) . There were plans for him to play a fourteen-game match against Kasparov in Yalta in September 2003 , the winner of which would go on to play the winner of a match between Vladimir Kramnik and PÃ ter LÃ kÃ as part of the so-called `` Prague Agreement '' to reunify the World Chess Championship ( from 1993 until 2006 there were two world chess championships ) .