International Correspondence Chess Federation
Webb took up correspondence chess in the early 1980s, and all but gave up over-the-board play for a long time. He gained the International Correspondence Chess Grandmaster title in 1983 and scored a number of impressive results. In the 14th World Correspondence Chess Championship, won by Tõnu Õim, Webb finished fifth of the 15 participants with 8.5/14. His final International Correspondence Chess Federation Elo rating was 2609.