Complex sentence: Lee Chang-ho (이창호; 李昌鎬), (born July 29,1975) 9-dan, is a Korean professional Go player, and is widely considered to be the current best player in the world.
Split into simpler sentences: Lee Chang-ho (born July 29,1975) is a Korean professional Go player of 9-dan rank. He is widely considered to be the current best player in the world.