Samuel Reshevsky vs Helgi Olafsson
New York International Open New York, NY USA round 4 1984.04.27
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 1/2-1/2

Helgi Olafsson vs Garry Kasparov
Reykjavik TV rapid Reykjavik ISL round 3 1995.03.26
Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation 0-1

Helgi Olafsson vs Ivan Cheparinov
World Blitz Championship Berlin GER round 1.39 2015.10.13
Grünfeld Defense: Exchange Variation 1-0

Helgi Olafsson vs Markus Ragger
European Team Championship Reykjavik ISL round 5.17 2015.11.17
Grünfeld Defense: Counterthrust Variation 0-1

Jon Loftur Arnason vs Helgi Olafsson
Reykjavik Reykjavik ISL round 10 1992.03.12
Sicilian Defense: Scheveningen Variation 1/2-1/2

Helgi Olafsson vs David Olafsson
Reykjavik Open Reykjavik ISL round 1 1988.02.23
King’s Indian Defense: Exchange Variation 1-0

Lev Polugaevsky vs Helgi Olafsson
Akureyri Akureyri ISL round 7 1988.03.16
English Opening: Agincourt Defense 1-0

Varuzhan Eduardovich Akobian vs Helgi Olafsson
Pro Chess League chess.com INT round 7 2018.02.24
Nimzo-Indian Defense: Classical Variation 1-0

Helgi Olafsson vs Magnus Carlsen
Reykjavik Rapid (intro) Reykjavik ISL round 2 2004.03.17
Grünfeld Defense 1/2-1/2

Helgi Olafsson vs Heikki Westerinen
Espoo Zonal Espoo FIN round 4 1989.07.??
Queen’s Gambit Accepted: Alekhine Defense, Borisenko-Furman Variation 1-0