Sven Magnus Øen Carlsen is a Norwegian chess grandmaster who is the current World Chess Champion, World Rapid Chess Champion, and World Blitz Chess Champion. Carlsen first reached the top of the FIDE world rankings in 2010, and trails only Garry Kasparov in time spent as the highest rated player in the world. Meet the reigning World Chess Champion, Carlsen, who's the youngest player to ever be ranked number one. He was personally coached by chess icon Garry Kasparov until 2010. So far, he's won 7 chess Oscars and has been regarded as "the genius who'll only get better." Many chess players of all different levels do have high IQs of over 100 score. Some of our greatest chess players in history for example Garry Kasparov and Magnus Carlsen have IQs well over 140 score.