Fide Chess Rating Calculator

This app will be very much useful while youre in a Chess TournamentThis app has two kinds of Rating CalculationsRating change CalculatorInitial Rating CalculatorRating change Calculator If you are already a rated player and facing another rated player in a tournament, the result of your game will affect your rating. Itll be either increased or decreased and sometimes no change. You can calculate how much exact rating will be affected in your current rating with this calculator.A note on K-Val:It is the development coefficient.K = 40 for a player new to the rating list until he has completed events with at least 30 gamesK = 20 as long as a players rating remains under 2400K = 10 once a players published rating has reached 2400 and remains at that level subsequently, even if the rating drops below 2400K = 40 for all players until their 18th birthday, as long as their rating remains under 2300K = 20 for RAPID and BLITZ ratings for all players.Initial Rating Calculator If you dont have a rating and you played against a certain number of rated players and scored some points, then youll get the rating. That exact rating can be calculated using this Initial Rating Calculator. For this, you just need to provide the average rating of the rated players, the number of games played and the total points scored