Hartvig Nielsen (1 April 1908 â 31 January 1997) was a Danish chess player and Danish Chess Championship medalist (1941).
From the late 1930s to the late 1950s, Hartvig Nielsen was one of the leading Danish chess players. He won a silver medal in the Danish Chess Championships in 1941.
Hartvig Nielsen played for Denmark in the unofficial Chess Olympiad:
Hartvig Nielsen played for Denmark in the Chess Olympiad: