Josef Kupper (10 March 1932 — 5 June 2017) was a Swiss chess International Master (IM) (1955), three-time Swiss Chess Championship winner (1954, 1957, 1962) and Chess Olympiad individual silver medal winner (1954).
Born |
10 March 1932 Lucerne, Switzerland
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Died |
5 June 2017 (aged 85) Zürich, Switzerland
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Zodiac | Pisces |
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