Dee ihe na-aga n'ihu maka paragraf a - Ernst Andreas Rojahn (13 August 1909 <unk> 24 July 1977) bụ onye egwuregwu chess Norwegian, ugboro abụọ Norwegian Chess Championship onye mmeri (1945, 1958), Chess Olympiad onye mmeri ọlaedo nrite (1939
) N'ihi ya,