IBM chess tournament opened by minister Vrolijk, he looks at the results with Laszlo Szabo (left) and Jan Hein Donner Date: 19 July 1965 Keywords: Results, chess, Tournaments Personname: Donner, Jan Hein, Szabo, Laszlo, Vrolijk, Maarten Institution name: IBM
Size: 2365px × 2960px
Photo credit: © BNA Photographic / Alamy / Afripics
License: Licensed
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