<prompt> Qedela umusho olandelayo: UJohn Grantley Cooper owazalwa ngo-14 Meyi 1954 ungumdlali we-Welsh chess International Master IM 1984, onqobe izikhathi eziyishumi ze-Welsh Chess Championship 1976, 1977, 1978, 1984, 1985, 1992, 1993, 1994, 1995, 1996, onqobe kabili indondo yesiliva ye-Olympiad Chess 1976,  <response>: Ngo-1984 futhi 