Career
He has also been a professional poker player, been called "one of Britain"s foremost poker players" and "one of the best two or three players in England", and written several books on the topic. career Reuben has officiated at and/or organised a number of high-level chess events held in Britain and elsewhere, including the world chess championship, and was chief organiser of British Championship Congresses for a number of years. He was the chairman of the British Federation from 1996 to 1999, and is currently Marketing Director of the English Federation. He holds the FIDE International Arbiter and International Organizer titles.
Reuben is a FIDE candidate master.
During the 1993 World Championship Match between Kasparov and Short, he provided some of the live commentary for the audience at the Savoy theatre. Stewart Reuben vs Robert James Fischer, New York blitz 1963, English Opening: Anglo-Indian Defense (A16), ½–½ Stewart Reuben vs David Bronstein, London Menchik-mem 1994, English Opening: Agincourt Defense (A13), ½–½.