Question: Pedro Rubén Brieger (born 5 November 1955, Buenos Aires, Argentina) is an Argentine journalist and sociologist, he worked in different newspapers like which newspaper published in Buenos Aires, Argentina?
Sentence (from "Raúl Sanguineti"): In 1980 he won the Konex Award as one of the 5 best chess players of the decade in his country.
Relevant evidence: No