Dueball played a play, which was maintained in the family, since its childhood Go, since Dueballs grandfather Dr. Felix Dueball this play in the 30's in Germany popularized. Dueball, which became several times Go-vice--European champion, spent a half year in Japan in the 60's around itself the Go-play to dedicate to be able. It reached the 5. Dan.
He found somewhat late to chess. Only in the 60's it began to make attentive on itself: 1966 it won the Dähne cup (the German cup single championship) by a victory over Dr. Dr. Ulrich year. At this time it was already in the citizen of Berlin chess club Wilmersdorf active and beside Rudolf Teschner there the best player. It had the most flowering section of its international career at the beginning of the 70's, when it succeeded to it to achieve the title of international masters. Its more largely individual-follow was the divided first place in the international tournament of Reggio Emilia 1973/74. As Mannschaftsportler he came on 72 employments in the German national team, and. A. on the chess Olympiads in Skopje 1972 (9 points from 13 portions) and Nice 1974 (10.5 points from 16 portions). After its removal 1978 after Solingen it became member of the Solinger SG 1868, with which it became 1980, 1981, 1987 and 1988 German crew master and 1991 the European Cup won. Dueballs of contributions for the development of the opening theory were paid attention and estimated also to large master level. It was well-known for its excellent memory.
Beside chess and Go he played also Bridge on high level. With its club in Leverkusen Dueball became also German crew master in the Bridge. Up to its death by impact accumulation 2002 he was a programmer in the city administration Solingen. Dueball, which studied physics in its youth, published an essay in the 60's to the astronomy: To the problem of the period length of UZ Draconis, in: Berlin working group for variable stars, S. 109-111, Berlin 1964.
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|SHORT DESCRIPTION||German chess - and Bridgespieler|
|DATE OF BIRTH||17. April 1943|
|PLACE OF BIRTH||Berlin|
|DYING DATE||15. October 2002|