Sieghart Dittmann vs Albert Fenech
Leipzig ol (Men) qual-A Leipzig GDR round 1 1960.10.17
King’s Indian Defense: Averbakh Variation 1-0

Sieghart Dittmann vs Wolfgang Uhlmann
Erfurt Erfurt GDR round 4 1955.09.??
King’s Indian Defense: Fianchetto Variation, Panno Variation 1/2-1/2

Sieghart Dittmann vs Jonathan Penrose
13th olm qual. group 3 Munich FRG round 8 1958.10.08
Modern Defense: Averbakh System 1/2-1/2

Ingi Randver Johannsson vs Sieghart Dittmann
Moscow ol (Men) fin-B Moscow URS round 1 1956.09.10
King’s Indian Defense: Fianchetto Variation, Delayed Fianchetto 1-0

Borge Andersen vs Sieghart Dittmann
Dresden it Dresden GDR round 2 1956.02.27
Ruy Lopez: Morphy Defense, Chigorin Defense, Panov System 1/2-1/2