Rapid: Individual Calculations September 2021
 Ashraf, Abanob  Total change: 30.00  Rating chartPersonal card
 BARQ EL EZZ 10 th INTERNATIONAL OPEN TOURNAMENT Dakahlia EGY 2021-07-30
RcRownchangeKK*chgGame
 1866 1670 2.50 4 1.50 20 30.00 
  Refaat, Ismail 1849 EGY0.5010.23204.60 
  Gad, Waleed 1910 EGY1.0010.802016.00 
  Elkahky, Khaled Gooda 1914 EGY0.001-0.2020-4.00 
  Zein, Ahmed 1792 EGY1.0010.672013.40 

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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