Individual Calculations April 2009
 Zayan, Osama  Total change: 7.80  Rating chartPersonal card
 11th Mahalla Open Mahalla EGY 2009-01-30
RcRownchangeKK*chgGame
 2188 2167 3.00 4 1.11 15 16.65 
  Sadek, Sameh 2302 EGY0.5010.18152.70 
  Eldesoky, Hatem 2254 EGY0.5010.12151.80 
  Mahany, Mahmoud 2069 EGY1.0010.37155.55 
  Raslan, Moustafa 2127 EGY1.0010.44156.60 

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)
 
 1st Elsead Club Cairo EGY 2009-02-15
RcRownchangeKK*chgGame
 2162 2167 3.50 8 -0.59 15 -8.85 
  Frhat, Ali m2408 EGY0.001-0.2015-3.00 
  Mona, Khaled wg2016 EGY1.0010.30154.50 
  El Ghazali, Youssef M. m2367 EGY0.001-0.2415-3.60 
  Adel, Hyssam 2089 EGY0.001-0.6115-9.15 
  Kamel, Nabil 2119 EGY1.0010.43156.45 
  Hussein, Ismail 1986 EGY1.0010.26153.90 
  Ibrahim, Hatim 2299 EGY0.001-0.3215-4.80 
  Nagy, Ashraf 2009 EGY0.501-0.2115-3.15 

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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