<prompt> Qedela umusho olandelayo: Wathola isihloko sakhe se-International Master ngo-1974, futhi wakhushulelwa esikhundleni sokuba yi-Grandmaster ngo-1976. Wadlalela iqembu laseMelika emidlalweni emihlanu elandelanayo yama-Olympic. Waqala eNice ngo-1974, wabe esedlala eHaifa ngo-1976,  <response>: IBuenos Aires ngo-1978, iValletta ngo-1980, neLucerne ngo-1982. 