Atle Groenn vs Roar Elseth
TCh-NOR Final Langesund NOR round 3 2001.05.25
Queen’s Gambit Declined: Tarrasch Defense, Stoltz Variation 1/2-1/2

Atle Groenn vs Stig Tjomsland
Ch Norway, Gausdal (Norway) Gausdal NOR round 3 1999.07.04
Neo-Grünfeld Defense: Delayed Exchange Variation 1/2-1/2

Atle Groenn vs Mads Vestby-Ellingsen
Norwegian Championship Sarpsborg NOR round 6.9 2018.07.11
English Opening: Agincourt Defense, Keres Defense 1-0

Johannes Haug vs Atle Groenn
Norwegian Championship Sarpsborg NOR round 7.6 2018.07.12
Czech Defense 1-0

Atle Groenn vs Leif Erlend Johannessen
OSS GM Oslo NOR round 5 2002.01.16
Queen’s Gambit Declined: Barmen Variation 1-0

Espen Lie vs Atle Groenn
Norwegian Championship Molde NOR round 1 2004.07.03
Dutch Defense: Krause Variation 0-1

Berge Ostenstad vs Atle Groenn
Ch Norway, Gausdal (Norway) Gausdal NOR round 2 1999.07.04
English Rat: Pounds Gambit 1-0

Atle Groenn vs Thomas Ernst
Arnold Cup Gausdal round 2 1991.??.??
Colle System: Rhamphorhynchus Variation 0-1

Carl Fredrik Ekeberg vs Atle Groenn
Norwegian Championship Sandnes NOR round 1 2005.07.02
Dutch Defense: Classical Variation 1/2-1/2

Vasilios Kotronias vs Atle Groenn
Gausdal International Gausdal NOR round 1 1991.08.??
Sicilian Defense: Boleslavsky Variation 1-0