Individual Calculations April 2020
 Elhalwagy, Islam  Total change: -5.40  Rating chartPersonal card
 League EGY Open 2019-2020 8-10 Many Cities EGY 2020-02-09
RcRownchangeKK*chgGame
 2108 2052 1.00 3 -0.27 20 -5.40 
  Saber, Ibrahim 2147 EGY0.5010.13202.60 
  Ibrahim, Mohamed 2134 EGY0.5010.11202.20 
  Helmy, Amro 2042 EGY0.001-0.5120-10.20 

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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