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.
Old Irish: Buanbach: A board game, from buan - good or constant as in constant capture. Fidchell: "wood intelligence." Often translated as chess. We have little idea how either was played, except with pieces on a board.