Titles decided by play-off matches due to equal scores in the main tournament are noted.
In order to play for the most prestigious title of national chess champion, a player must meet at least one of the following criteria: In general, an even number of participants is sought in the championship section to prevent byes from occurring.
To be eligible for a championship title, a player must either be a Norwegian citizen or have been a resident of Norway for the past year.
In addition, winners of the individual circuit championships and the champion of Northern Norway are automatically qualified for play in the Master class, regardless of rating.
When the tournament is arranged as a Monrad, a modified Buchholz system is used, where the first tiebreak is the sum of a player's opponents' scores, except the two weakest.
[38] Prior to 2014 the Championship, Junior, Cadet and Senior sections, a tied score resulted in a play-off for the title within 60 days after the end of the main tournament.