|Full name||Helgi Dagbjartur Áss Grétarsson|
|Born||18 February 1977 (age 42)|
|FIDE rating||2444 (March 2019)|
|Peak rating||2563 (July 2000)|
Helgi played for the Icelandic national team in the Chess Olympiad in 1994, 1996, 1998 and 2002. He tied for first place with Carsten Høi, Erling Mortensen, Nikolaj Borge and Lars Schandorff at the Politiken Cup 1997 tournament in Copenhagen. In this event, he won the prize for the best Nordic junior. The following year, he competed in the FIDE World Chess Championship in Groningen. Helgi knocked out Miguel Illescas in the first round, then in round 2 he was eliminated from the competition after losing to Artur Yusupov. He won the Icelandic Open 2018, scoring 8½/10. He is the No. 9 ranked Icelandic player as of June 2018.
- da Nóbrega, Adaucto Wanderley. "Matinhos 1994 - 33° Campeonato Mundial Juvenil". BrasilBase. Retrieved 2017-07-08.
- Helgi Áss Grétarsson team chess record at Olimpbase.org
- "The Week in Chess 141". theweekinchess.com. Retrieved 2017-07-08.
- Icelandic Open 2018 ChessResults
- Staff writer(s) (June 2018). "Federations Ranking – Iceland". FIDE.
- Helgi Ass Gretarsson rating card at FIDE
- Helgi Ass Gretarsson player profile and games at Chessgames.com
- Helgi Ass Gretarsson chess games at 365chess.com
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