Bu Xiangzhi vs Helgi Ass Gretarsson
Reykjavik op19 Reykjavik ISL round 6 2000.04.10
Slav Defense: Alapin Variation 1-0

Surya Shekhar Ganguly vs Helgi Ass Gretarsson
Bled Olympiad Bled SLO round 14 2002.11.10
Ruy Lopez: Morphy Defense, Modern Steinitz Defense 0-1

Helgi Ass Gretarsson vs Stuart C Conquest
17th Lloyds Bank Masters Open London ENG round 7 1993.08.27
Blackmar-Diemer Gambit: Netherlands Variation 0-1

Arnar Thorsteinsson vs Helgi Ass Gretarsson
Reykjavik Open Reykjavik ISL round 6 1990.03.23
Pirc Defense: Austrian Attack 1/2-1/2

Rokas Klabis vs Helgi Ass Gretarsson
23rd European Teams Terme Catez SLO round 3.17 2021.11.14
Italian Game: Giuoco Piano 1-0

Helgi Ass Gretarsson vs Gabriel Sargissian
Bled Olympiad Bled SLO round 2 2002.10.27
Nimzo-Indian Defense: Three Knights Variation, Duchamp Variation 1-0

Loek van Wely vs Helgi Ass Gretarsson
Pro Chess League chess.com INT round 9 2018.03.07
Indian Defense: Medusa Gambit 1/2-1/2

Helgi Ass Gretarsson vs Askell Orn Karason
Reykjavik Open Reykjavik ISL round 7 1990.03.24
Colle System: Rhamphorhynchus Variation 1/2-1/2

Alexey Shirov vs Helgi Ass Gretarsson
Hrokurinn Reykjavik ISL round 4 2003.02.21
Slav Defense: Quiet Variation, Amsterdam Variation 1-0

Emil Davidovich Sutovsky vs Helgi Ass Gretarsson
Wch U16 Bratislava SVK round 11 1993.07.??
Italian Game: Bird’s Attack 1/2-1/2