In 1937, Heinz Erwin van Mindeno became a junior member of the Vereenigd Amsterdamsch Schaak Genootschap (the Amsterdam chess association) and managed to attain the title of 'first-class' player (the national level just below that of master).
Partij verloren Gedenkboek ter herinnering aan de schakers die in Nederland tijdens de bezetting heengingen. Eggink en Schelfhout, Amsterdam, 1947, p. 204
Heinz Erwin van Mindeno, an office clerk, was a son of merchant Jacques van Mindeno and Felicia Selly Hirsch. He was married at Westerbork transit camp on 19 April 1943. His wife survived the war.
Record of marriage certificates of the Westerbork municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen
In an attempt to gain postponement from deportation, Heinz van Mindeno married in camp Westerbork. His bride survived the war, despite being deported.
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