Individual Calculations September 2018
 Moustafa, Asser  Total change: 22.40  Rating chartPersonal card
 Egyptian Ch. Open 2018 Final Cairo EGY 2018-08-07
RcRownchangeKK*chgGame
 1914 1610 1.00 3 0.56 40 22.40 
  Fatehy, Hazem 1895 EGY0.001-0.1640-6.40 
  Shehata Mohamed, Ayman 1895 EGY0.5010.344013.60 
  Tawfeik, Ahmed Gamal 1951 EGY0.5010.384015.20 

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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