 Quinteros was awarded the International Master (IM) title in 1970, and the GM title in 1973.He won the Konex Award in 1980 as one of the five best chess players of the decade in his country, and the Platinum Konex Award in 1990 as the most important chess player of the decade.Quinteros is married to a former Filipino model whom he met at the 1976 Manila Interzonal.