Samuel Benediktus Kolthoff was a member of the chess club 'Assen'. He was a well known chess player in the North of the Netherlands. In 1942 he was rounded up during a raid.
L.G. Eggink en W.A.T. Schelfhout Partij verloren
Gedenkboek ter herinnering aan de schakers in Nederland, die tijdens de bezetting heengingen (Amsterdam 1947)
This person is commemorated on a memorial in Assen. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.
Biography