Well, I work in the aerospace field and work alot. I don't play much on weekends and will timeout if vacation is not noted. I am quite new to chess and am sorry but have too many games to try and keep track of not to accept the timeout. That is why there is an option to inform of vacation.
Tournament Entry Rating is calculated by the formula (CurrentRating + HighestRating) / 2. The entry rating will never drop to more than 100 points below your Highest Rating.
Rated stats are updated within 24 hours of the last completed rated game.