Individual Calculations September 2018
 Hanafy, Khaled  Total change: 7.40  Rating chartPersonal card
 Egyptian Ch. Open 2018 Final Cairo EGY 2018-08-07
RcRownchangeKK*chgGame
 1891 1650 1.00 3 0.37 20 7.40 
  Nagdy, Wael 1939 EGY0.001-0.1620-3.20 
  Mahmoud Elsayed, Bahaa 1775 EGY1.0010.672013.40 
  Hafez, Mahmoud 1958 EGY0.001-0.1420-2.80 

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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