Individual Calculations May 2019
 Abdel Razik, Ahmed  Total change: -11.20  Rating chartPersonal card
 Egyptian League Final 2018/2019 Round 15-17 Many Cities EGY 2019-04-05
RcRownchangeKK*chgGame
 2105 2125 0.50 2 -0.56 20 -11.20 
  Nasr, Ahmed 2011 EGY0.001-0.6620-13.20 
  Mansour, Salah 2198 EGY0.5010.10202.00 

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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