<prompt> Qedela lo musho olandelayo: UPfeiffer wanqoba izikhathi eziyisithupha eNtshonalanga Jalimane kuma-Olympics e-Chess 1950-1960, futhi wanqoba izindondo ezimbili zethusi eqenjini nasebangeni lomuntu ngamunye  <response>: I-Olympia yesi-9 Ye-Chess eDubrovnik ngo-1950. 