Raúl Carlos Sanguineti was an Argentine chess Grandmaster. He won the Argentine Chess Championship seven times, in 1956, 1957, 1962, 1965, 1968, 1973 and 1974. Raúl Sanguineti played for Argentina in seven Chess Olympiads. He won two individual gold medals at Moscow 1956 and Varna 1962, and two team bronze medals at Munich 1958 and Varna 1962. In total, he represented his country in seven Olympiads with an aggregate of over 70 per cent. He played in the World Chess Championship Interzonals at Portorož 1958 and Biel 1976. Important tournament victories included São Paulo 1957, Bariloche 1960, Buenos Aires 1963, Punte del Este 1964, Buenos Aires Open 1968, Fortaleza Zonal 1975, Mar del Plata 1976, Buenos Aires 1977, and Santos Lugares 1977. During his competitive career, which ran from 1954 to 1977, he very rarely finished in the bottom half of the tournament table. In 1980 he won the Konex Award as one of the 5 best chess players of the decade in his country.

Paraná is the capital city of the Argentine province Entre Ríos, located on the eastern shore of the Paraná River, opposite the city of Santa Fe, capital of the neighbouring Santa Fe Province. The city has a population of 247,863.