<prompt> Qedela le nkulumo elandelayo: Ujtumen wayinqoba kathathu i-Mongolian Chess Championship, ngo-1972, 1978 nango-1986. Wadlalela iMongolia amahlandla ayisithupha kuma-Olympics e-Chess 1964-1974. Wathola indondo yegolide yomuntu ngamunye ebhodini lesibili 11 1 5 eTel Aviv 1964 nesiliva ebhodini lesibili 12 3 3 eTel Aviv  <response>: I-Siegen ngo-1970. 