Individual Calculations February 2022
 Fatehi, Ahmed  Total change: 6.60  Rating chartPersonal card
 Egyptian League 2021/2022 Group A 5-8 Many Cities EGY 2022-01-14
RcRownchangeKK*chgGame
 2081 2111 2.50 4 0.33 20 6.60 
  Eltenawy, Refaat 1997 EGY0.501-0.1620-3.20 
  Gaber, Waleid 2109 EGY0.5010.00200.00 
  Hussein, Hany 1979 EGY1.0010.32206.40 
  Naby, Saiid A. 2240 EGY0.5010.17203.40 

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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