Juan Manuel Fuentes was born in Jerez de la Frontera and died in Alicante.
He began his chess career winning the Seville championship in 1930, continued his entire chess career in Madrid, won the old Castilla chess championship five times in 1936 was tied with Vicente Almirall Castell in the first position, 1942, 1944, 1951 and 1952.
He won the 1942 Barcelona National Tournament, which gave him the right to challenge the champion Ramón Rey Ardid. He lost the match being runner-up of Spain, in 1942. He was again runner-up in 1947 behind the international master Antonio Medina García.
In the International Tournament of Madrid in 1943, he was in second place behind Paul Keres, the so-called "champion without a crown".
Juan Manuel Fuentes collaborated in the monthly magazine specialized in chess El ajedrez español, in its first period and in the second epoch of El ajedrez español. He wrote in collaboration with Julio Ganzo, the following book on chess:
La vida de Arturito Pomar, editorial Ajedrez Español, ISBN, Madrid, year 1946.
Wikipedia article: Juan Manuel Fuentes (ajedrecista)