Divinsky served for 15 years, from 1959–1974, as editor of the magazine "Canadian Chess Chat", and contributed occasionally to other Canadian chess magazines. He played an important role in chess organization in Canada from the 1950s. He first served as Canada's representative to FIDE (the World Chess Federation), from 1987–1994, and served again in this post in 2007. During both terms, he served as a member of the FIDE General Assembly, since Canada is a zone of FIDE. He is a member of the Canadian Chess Hall of Fame, served as President of the Chess Federation of Canada in 1954, and was a Life Governor of the CFC.