[Battle]

Viking Battle

The Viking Battle was fought in 2013 and 2014 between the teams for the International Mathematical Olympiad from Denmark, Finland, Norway and Sweden during their joint preparation for the olympiad, the IMO-Camp. In 2015 the team from Iceland joined the battle. It has an individual and a group part, each with an exam lasting four and a half hours. The number of problems in each part is three and sixteen, respectively.