Fide Rating Change Calculator

All fields are optional, except “Your current rating”.
You may leave some fields blank, say, input only the ratings for Opponent 1 & Opponent 4, but leave the Opp 2 & 3 input fields blank.

Your current rating : K value:















* FIDE 400-point-rule is used in the calculation.
E.g. : Player A with 2200 rating (k=20),  Player B  with 1400 rating (k=40), where 400-point-rule which be applied in favour of Player A.
1. If A wins, A earns 1.6 (+1.6) rating, not +0. B losses 0 (-0) rating.
2. If B wins, B earns 40 rating. A minus 18.4 (-18.4), not -20.