Individual Calculations April 2019
 Masoud, Mohamed Helmy  Total change: -11.60  Rating chartPersonal card
 Zagazig Open 2019 zagazig EGY 2019-03-02
RcRownchangeKK*chgGame
 1868 1885 2.50 6 -0.58 20 -11.60 
  Lotfy, Abdel Rahman 2089 EGY0.001-0.2420-4.80 
  Alyeldin, Mohamed 1599 EGY1.0010.16203.20 
  Sayed, Hany 2123 EGY0.5010.30206.00 
  Tork, Mohamed 2047 EGY0.001-0.2920-5.80 
  Tamer, Mohamed f1775 EGY0.501-0.1520-3.00 
  Saber, Barakat 1575 EGY0.501-0.3620-7.20 

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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