Lazaros Vizantiadis vs Boris Spassky
Siegen ol (Men) qual-A Siegen FRG round 6 1970.09.10
Queen’s Gambit Accepted 0-1

Bruce M Amos vs Lazaros Vizantiadis
Reykjavik Reykjavik ISL round 2 1970.01.15
Caro-Kann Defense: Two Knights Attack, Mindeno Variation 1-0

Lazaros Vizantiadis vs Ragnar Harald Hoen
Siegen ol (Men) fin-C Siegen FRG round 2 1970.09.15
Blackmar-Diemer Gambit: Netherlands Variation 1/2-1/2