Individual Calculations September 2017
 Sawers, Kerlus  Total change: 20.00  Rating chartPersonal card
 Alexandria Open 2017 Alexandria EGY 2017-08-02
RcRownchangeKK*chgGame
 1950 1674 1.00 3 0.50 40 20.00 
  Shehata, Abdel Hady 1990 EGY0.001-0.1340-5.20 
  Mousa, Medhat 1884 EGY1.0010.774030.80 
  Elamrawy, Mohamed 1977 EGY0.001-0.1440-5.60 

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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