<prompt> John Grantley Cooper born 14 May 1954 shima Welsh chess International Master IM 1984, sau mewunzәn Welsh Chess Championship lan kǝnasartǝna 1976, 1977, 1978, 1984, 1985, 1992, 1993, 1994, 1995, 1996, sau indi lan Chess Olympiad lan kam fal lan medal arzabe kǝnasartǝna 1976,  <response>: 1984 lan faidatain. 