Dee ihe na-esote paragraf a - N'afọ na-esote, na 2015 IIHF World Junior Championship
, Demko bụ onye na-eche nche na-amalite, na-amalite na 7 nke egwuregwu 8. N'agbanyeghi na ndi otu a kpochapụrụ na Quarterfinals, Demko kwụsịrị nke atọ na asọmpi ahụ n'etiti ndị na-eche nche na 1.74 GAA na.938 pasent na-azọpụta.