 Day first played for Canada in the Chess Olympiad in 1968 on the first reserve board (+3,=1,-8) at Lugano, his first of 13 appearances, which is a Canadian record.Day played board three for Canada (scoring +7,=1,-2) on the bronze medal team at the World Students' Chess Olympiad, Mayagüez 1971.He graduated from Carleton University in 1972 with a degree in English Literature, worked for the magazine "Chess Canada" for a time, and then became a professional player.