Rapid: Individual Calculations April 2016
 Roshdy, Mohamed  Total change: 13.60  Rating chartPersonal card
 Yacht Chess Rapid Cairo EGY 2016-03-14
RcRownchangeKK*chgGame
 1634 1771 2.00 2 0.68 20 13.60 
  Abdel Maksoud, Ahmed 1793 EGY1.0010.532010.60 
  Mohamed Zaki, Hanan 1475 EGY1.0010.15203.00 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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