When Fran Dunphy left Penn to become Temple's new coach, Lafayette coach Fran O'Hanlon resisted overtures from Penn and stayed in Easton. But the ripple effect of John Chaney's retirement still has hit Lafayette. Chaney's former top assistant at Temple, Dan Leibovitz, moved on to become the new head coach at Hartford and yesterday, two of O'Hanlon's top assistants, John Gallagher and Elliott Broadnax, to his staff there.