Education
In 1951 he graduated from Võru secondary school, and then studied at Moscow State University of Economics, Statistics, and Informatics.
In 1951 he graduated from Võru secondary school, and then studied at Moscow State University of Economics, Statistics, and Informatics.
In 1950, while still at school, Gunnar Uusi competed in his first Estonian championship, finishing in equal fourth place. During his studies he actively participated in several chess competitions. In 1953 he represented Moscow at the Union of the Soviet Socialist Republics team championship and finished in fifth place at the Union of the Soviet Socialist Republics Chess Championship semi-final in Vilnius.
In 1954 he finished equal sixth in the Moscow Chess Championship and was awarded the title of Master of Sport.
After completing his studies in 1956 he returned to Estonia and worked in a Tartu agricultural machinery plant as an economist, later becoming a director (1966-1972). In the 1957 Estonian Chess Championship Uusi finished in third place.
Three times he finished second, in 1960, 1961, and 1972. In his later years he worked at the Tartu chess club
One of Uusi"s last tournaments was the International Paul Keres Memorial in 1981.
Tartu now regularly hosts the Gunnar Uusi memorial tournament for young chess players.