<prompt> Qedela umusho olandelayo: USteiner wayeyilungu lamaqembu e-United States Chess Federation athunyelwa phesheya eMidlalweni Yama-Olympic Yesheshi ngo-1956  <response>: IHague ngo-1928, iHamburg ngo-1930, iPrague ngo-1931 neDubrovnik ngo-1950. Njengoba ayengumpetha wase-U.S. wayekaputeni weqembu lika-1950. 