2 Dirty_Player:
great game ;) !
And Kamikaze talked a long time ago about what he plays for... There was a choice: play for the race rating or for the official rating - Vitaly chose the second.
2Catch
You are right! You just need to introduce a penalty for a missed game. Then the problem solves itself! For example, if you miss a game, you get -10% (you can adjust the number!)