If I don't move in our game, it's not because I've forgotten. It's because I can't. Sending me a reminder is not likely to make me move faster, but it might relieve your frustration slightly. Do as you please.
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.