Miguel Cuellar Gacharna vs Jon Kristinsson
Chess Olympiad Final-B Skopje YUG round 1 1972.09.27
King’s Indian Defense 1/2-1/2

Fernando Visier Segovia vs Jon Kristinsson
Chess Olympiad Final-B Lugano SUI round 2 1968.10.26
Nimzo-Indian Defense: Normal Variation, Gligoric System, Bernstein Defense 1/2-1/2

Andrzej Filipowicz vs Jon Kristinsson
Varna Olympiad qual-3 Varna BUL round 8 1962.09.25
Sicilian Defense: Najdorf Variation 1/2-1/2

Ylvi Pustina vs Jon Kristinsson
Skopje Olympiad Final-B Skopje YUG round 5 1972.10.01
King’s Indian Defense: Sämisch Variation, Panno Main Line 1/2-1/2