ИКЧФ
He represented Oxford University at over-the-board chess. He later represented Great Britain at correspondence chess. He placed fifth in the first International Correspondence Chess Federation (ICCF) World Championship tournament (1950–1953), and inflicted the only defeat on the eventual champion, Australian Cecil Purdy. From that result, scoring (+6 =4 -3), he earned the title of International Master of correspondence chess (IMC), in 1953.