Gudmundur Sigurjonsson vs Gunnar Gunnarsson
Reykjavik Reykjavik ISL round 13 1976.??.??
Sicilian Defense: Sozin Attack, Fischer Variation 1-0

Ludek Pachman vs Gunnar Gunnarsson
Vrnjacka Banja Zonal Vrnjacka Banja YUG round 17 1967.??.??
English Opening: Anglo-Grünfeld Defense 1-0