Rivalry Winter Blast is an online European Dota 2 tournament hosted by Moon Studio.
Format
Group Stage:
Teams are split into two round robin groups with Best-of-Two matches. The top two teams from each group advance to the upper side of the playoffs bracket. The third- and fourth placed teams are seeded into the lower bracket. The bottom team is eliminated.
Playoffs:
Double elimination bracket with Best-of-Three matches leading up to a Best-of-Five grand finals.