Individual Calculations January 2020
 Elmahroky, Ahmed  Total change: -12.00  Rating chartPersonal card
 Golden Cleopatra 2019 Cairo EGY 2019-12-02
RcRownchangeKK*chgGame
 1777 1565 1.50 7 -0.30 40 -12.00 
  Moatamid, Yasser 1862 EGY0.001-0.1540-6.00 
  Salah, Joseph 1931 EGY0.001-0.1040-4.00 
  Yaseir, Kalbash Daleel 1933 SUD0.001-0.1040-4.00 
  Anwar, Ramadan 1771 EGY0.5010.264010.40 
  Hamed, Amro Mohamed 1737 EGY0.001-0.2740-10.80 
  Tawfeik, Ahmed Gamal 1895 EGY0.001-0.1240-4.80 
  Elhasafy, Tarek 1307 EGY1.0010.18407.20 

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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