Lichess Premier League

The Lichess Premier League is an individual chess league consisted of divisions.
The A, B1 and B2 divisions follow a round robin format. Groups are consisted of 10 people and everybody plays against each other. Each week new pairings are released and players have to play 6 games of 3+2 against each other. At the end of each season players will promote or demote to a division depending on the result they had last season.
The C division follows a swiss format with no limit to players. Everything else regarding amount of games and time control stays the same. The swiss division will have 9 rounds.