Gudmundur Kjartansson vs Alexander Moiseenko
European Individual Chess Championship Minsk BLR round 1.24 2017.05.30
English Opening: Drill Variation 0-1

Gudmundur Kjartansson vs Alexey Slavin
Big Slick Tournament London ENG round 5 2009.07.01
English Opening: Symmetrical Variation 1/2-1/2

Gudmundur Kjartansson vs Victor Mikhalevski
36th ECC Open 2021 Struga MKD round 6.6 2021.09.23
English Opening: Anglo-Indian Defense 1/2-1/2

Gudmundur Kjartansson vs Richard Almond
Hastings 2005/06 Hastings ENG round 6 2006.01.02
Scandinavian Defense 1-0

Gudmundur Kjartansson vs Daniel Naroditsky
Reykjavik Open Reykjavik ISL round 6.8 2015.03.14
Queen’s Gambit Declined: Ragozin Defense 0-1

Vidar Taksrud vs Gudmundur Kjartansson
Xtracon Open Helsingor DEN round 2.90 2019.07.21
Amazon Attack 0-1

John N Sugden vs Gudmundur Kjartansson
Hastings 2009/10 Hastings ENG round 1 2009.12.28
Ruy Lopez: Closed, Delayed Exchange 1/2-1/2

Gudmundur Kjartansson vs Sergei Zhigalko
European Team Championship Batumi GEO round 8.14 2019.11.01
Döry Defense 1/2-1/2

Gudmundur Kjartansson vs Francesco Antognini
SUI-ISL U20 Olten round 2 2001.08.24
King’s Indian Defense: Four Pawns Attack 0-1

Gudmundur Kjartansson vs Mikhail Al Antipov
21st Czech GM Open Pardubice CZE round 7 2010.07.29
Slav Defense: Quiet Variation, Amsterdam Variation 0-1