<prompt> Pedzisa mutsara unotevera: Akamirira Costa Rica paOlympia yeChess inoverengeka, kusanganisira  <response>: 1988 scoring 611 padanda 4, 1990 8.513 padanda 3, 2002 711 padanda 2, 2014 49 padanda 3 uye 2016 610 padanda 1. 