This rating is accurate for those who have already played many games (as a measure). In principle, I agree, but how will it aggregate games from all tournaments? After all, it may be that one person participated in one tournament, and another in three, then the results will be unfair, hence the question: will there be a rating aging system?
2) This rating is based on games, only tournament games.
After all, it may be that one person participated in one tournament, and another in three, then the results will be unfair.