Berge Ostenstad vs Helgi Olafsson
Espoo Zonal Espoo FIN round 12 1989.07.??
Grünfeld Defense: Exchange Variation 1/2-1/2

Berge Ostenstad vs Ilhan Onat
Thessaloniki Olympiad Thessaloniki GRE round 4 1984.11.22
Slav Defense: Alapin Variation 1-0

Berge Ostenstad vs Jonathan D Tisdall
Oslo Oslo NOR 1988.??.??
Queen’s Indian Defense: Buerger Variation 0-1

Margeir Petursson vs Berge Ostenstad
Peer Gynt Gausdal NOR 1988.??.??
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 0-1

Eric Lobron vs Berge Ostenstad
EUR-chT (Men) 9th Haifa ISR round 2 1989.11.??
Queen’s Gambit Declined: Exchange Variation 1-0

Nikita Vitiugov vs Berge Ostenstad
European Club Cup Rogaska Slatina SLO round 1.4 2011.09.25
Neo-Grünfeld Defense 1/2-1/2

Oystein Hole vs Berge Ostenstad
Ch Norway, Gausdal (Norway) Gausdal NOR round 3 1999.07.04
Colle System: Rhamphorhynchus Variation 0-1

Berge Ostenstad vs Banjuab Jiravorasuk
Novi Sad ol (Men) Novi Sad YUG round 2 1990.11.18
English Opening: Agincourt Defense 1-0

Berge Ostenstad vs Valery A Chekhov
Peer Gynt Gausdal NOR round 5 1991.07.??
Modern Defense: Averbakh System 0-1

Berge Ostenstad vs Veijo Maki
EUR-chT (Men) 9th Haifa ISR round 3 1989.11.??
Grünfeld Defense: Counterthrust Variation 1-0