Individual Calculations April 2020
 Ibrahim, Mohamed  Total change: 0.60  Rating chartPersonal card
 League EGY Open 2019-2020 8-10 Many Cities EGY 2020-02-09
RcRownchangeKK*chgGame
 1998 2134 2.00 3 0.03 20 0.60 
  Hamed, Amro Mohamed 1775 EGY0.501-0.4020-8.00 
  Elhalwagy, Islam 2052 EGY0.501-0.1120-2.20 
  Yasseen, Aly m2166 EGY1.0010.542010.80 

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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