Ulf Andersson vs Juergen Dueball
FRG-ch International West Berlin FRG 1971.??.??
Modern Defense: Pterodactyl Variation 1-0

Francisco Javier Sanz Alonso vs Juergen Dueball
Olympiad Final-A Nice FRA round 7 1974.06.21
Dutch Defense: Krause Variation 1/2-1/2