Raaphi (Raaphy, Rafi, Raphael, Rafael) Joseph Arie Persitz (26 July 1934 – 4 February 2009) was an English–Israeli–Swiss chess master, financial analyst, financial journalist, and chess writer.
In 1954 he won his individual game in the Oxford-Cambridge match in the morning, playing very quickly in order to be able to travel by train to Swindon (some 75 miles away) in time to play top board for his county (Oxfordshire) against Gloucestershire in the afternoon.
He was paired against a former British champion, Conel Hugh O'Donel Alexander, and managed to win this game as well.
[1] Persitz played three times for England in the World Student Team Chess Championship.
In 1961, he tied for 7-8th in Netanya (Moshe Czerniak, Milan Matulović and Petar Trifunović won).