This is the last sentence for the game.
1. Establish a rule to use two different types of tires.
2. If a participant is inactive, then he does not take part in the race.
3. Manual advancement in groups. Give all these rules to the host of the league. The right to create a league must be very expensive, not like it is now.
4. Create a rule for the league host. For inappropriate behavior, take away the right to manage the league. The league can be deleted or transferred to another member of this league.