Campomanes, a studied political science ( graduated from Georgetown University 1954), 1950 national champion in chess and played 1956-1966 in five Chess Olympiads. His best historical Elo rating of 2408, he reached in December 1964.
Later he became a functionary, first in the Philippine Chess Federation, then in the World Chess Federation FIDE. In 1982 he was elected as the first non-European to its president and held that office until 1995. At the 66th FIDE Congress in November 1995 in Paris he was accused of irregularities in the finances, and chose him from.
During his tenure the controversial demolition of the first competition for the World Chess Championship 1984 between Anatoly Karpov and Garry Kasparov fell on 15 February 1985 and initiated by Kasparov and Nigel Short in 1993 splitting the Professional Chess Association ( PCA) of the FIDE.
1990/91 to Campomanes drew in a car accident in Uganda to a severe whiplash and had some time to wear a neck collar. In the accident of the car controlling President of the Chess Federation of Uganda, Paul Bitarabeho came, killed.