Complex sentence: By October 1983, East was ITV's executive producer for Snooker; he failed, in negotiations with the WPBSA, to wrestle coverage of the World Snooker Championship from the BBC.
Split into simpler sentences: By October 1983, East was ITV's executive producer for Snooker. He failed, in negotiations with the WPBSA, to wrestle coverage of the World Snooker Championship from the BBC.