Individual Calculations October 2008
 Abo Zekry, Mohamed  Total change: 0.15  Rating chartPersonal card
 Egypt Chess Championship 2008 ( Final) Cairo EGY 2008-07-30
RcRownchangeKK*chgGame
 2210 2211 4.50 9 0.01 15 0.15 
  Naby, Saiid A. 2342 EGY0.001-0.3215-4.80 
  Amin, Ashraf 2331 EGY0.5010.16152.40 
  Elsayed, Moustafa 2242 EGY0.001-0.4615-6.90 
  Mona, Khaled wg2007 EGY0.501-0.2615-3.90 
  Hesham, Abdelrahman 2071 EGY1.0010.31154.65 
  Imam, Ashraf 2115 EGY1.0010.37155.55 
  Sameeh, Hany f2281 EGY1.0010.60159.00 
  Abou El Zein, Eid Mahmoud m2298 EGY0.001-0.3815-5.70 
  Zayan, Osama 2203 EGY0.501-0.0115-0.15 

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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