Complex sentence: He was a member of the English team competing in the 37th Chess Olympiad and prematurely left the Olympiad after allegedly assaulting Armenian Grandmaster Levon Aronian over the Australian Woman International Master Arianne Caoili at one of the evening social events.
Split into simpler sentences: He was a member of the English team competing in the 37th Chess Olympiad. He prematurely left the Olympiad after allegedly assaulting Armenian Grandmaster Levon Aronian over the Australian Woman International Master Arianne Caoili at one of the evening social events.