Raúl Sanguineti is an Argentine chess Grandmaster (GM) and International Arbiter (IA) of chess. Born on January 3, 1933, he was awarded the title of GM and IA by FIDE. Among Sanguineti's most impactful achievements in chess are his participation in six Chess Olympiads, his role in the Argentine chess team's first gold medal in the 1958 Munich Olympiad, and his first-place results in the Argentina Chess Championship, Mar del Plata, and Buenos Aires tournaments. He's also widely recognized for his work as an arbiter in prominent tournaments, including the 1978 World Chess Championship.
Sanguineti has authored multiple chess books, where he further cements his expertise in classical and modern game strategies. His books include a collection of articles aimed at refining a player's middle game, and a study of Boris Spassky's style of play, especially during his match with Bobby Fischer.
Raúl Sanguineti is notable not only for his performances and authorship but also for his contributions as a teacher of chess. He has instructed and mentored renowned chess players such as Sergio Slipak. Additionally, he's offered mentorship outside of Argentina through his participation in chess camps.
Throughout his career, Sanguineti has demonstrated profound contributions to chess, both in Argentina and globally. His influence embraces varied aspects of the game; including active competition, game analysis, teaching, and arbitrating.