Main tournament rules:

1. All games are played on the platform https://boardgamearena.com/

2. In each league, players must play against every other player in their league
3. 1 round is played every week (or 1-2 rounds for the Major League)

4. Players play with each other in Best of Three formats (up to 2 wins) in Real-Time mode

5. In case of a tie within one duel, the player who started second wins
6. If a player runs out of time, they automatically lose the current duel, but not the entire game
7. According to the results of 9 rounds (11 rounds for the Major League), the two best players move to a higher league, the two weakest move to a lower league
8. Prizes are provided for the winners of each league

 

More details in the Google Docs file - Rules button