<prompt> Kalima dǝga tǝmzǝyin: Donovan van den Heever dǝ kǝlele saa 1981 bikke chessbe lardǝ South Africabe wo. Suro saa 2014 lan, shiye kazadala chessbe lardǝ South Africa be dǝa kǝnasartǝ, kuru shiye wakilzǝ South Africa be dǝa wakilzǝna suro Olympiad chessbe dǝlan, suronzan 2006, 2010,  <response>: Saa 2014, 2016 kuru 2018. 