Since the early 1970s, he has made many TV appearances for the BBC, usually in the role of expert commentator and analyst on world title matches, including Fischer-Spassky '72, Karpov-Korchnoi '78, Kasparov-Short '93 and Kasparov-Anand '95. He twice won the BBC Master Game competition before taking over from Leonard Barden as its resident expert. During the 1980s he presented the BBC series "Play Chess". In recent years he has diversified into a number of creative areas, running competitions in creative thinking for "The Independent" newspaper and the Mind Sports Olympiad. He writes the off-beat Beachcomber column for the "Daily Express" and has written books on chess, mathematics, humour and trivia. He has also been a regular guest on the BBC Radio 4 and occasional TV programme, "Puzzle Panel" and appeared in Series 8 of "The Museum of Curiosity" also on Radio 4.