Individual Calculations February 2022
 Rayan, Waleed  Total change: -3.20  Rating chartPersonal card
 Egyptian League 2021/2022 Group A 5-8 Many Cities EGY 2022-01-14
RcRownchangeKK*chgGame
 1960 1986 1.50 3 -0.08 40 -3.20 
  Shams Eldin, Ahmed 1766 EGY1.0010.22408.80 
  Elbaz, Ahmed 2081 EGY0.5010.13405.20 
  Abdel Fadil, Mohamed 2033 EGY0.001-0.4340-17.20 

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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