<prompt> Qedela umusho olandelayo: USosonko wadlalela iqembu laseNetherlands kuma-Olympiad Chess izikhathi eziyishumi nanye, ngo-1974-84, nango-1988-96. Wathola izindondo ezimbili: igolide e-  <response>: I-Haifa 1976, ithusi eNice 1974, nezimedali ezimbili zeqembu: isiliva e-Haifa 1976, nethusi eThessaloniki 1988. 