Individual Calculations November 2021
 Osman, Islam  Total change: 67.60  Rating chartPersonal card
 El Khayari Matrouh Open 2021 Marsa Matrouh EGY 2021-10-08
RcRownchangeKK*chgGame
 1878 1796 5.00 8 1.69 40 67.60 
  Yehya, Sameh 2079 EGY1.0010.844033.60 
  Allam, Emad Hamdy 2159 EGY0.5010.404016.00 
  Ahmed, Tamer 2060 EGY0.001-0.1840-7.20 
  Eldesoky, Hatem f2196  * EGY0.001-0.0840-3.20 
  Wael Sabry, Mina 1512 EGY1.0010.16406.40 
  Fahim, Ashraf 1547 EGY1.0010.19407.60 
  Hossam Mohamed, Ahmed 1548 EGY0.501-0.3140-12.40 
  Hashem, Sayed 1920 EGY1.0010.674026.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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