Individual Calculations January 2010
 Eldesoky, Hatem  Total change: 0.75  Rating chartPersonal card
 Egyptian Cup 2009 2nd Part Many Cities EGY 2009-10-02
RcRownchangeKK*chgGame
 2231 2211 1.00 2 0.05 15 0.75 
  Saber, Ibrahim 2233 EGY0.5010.03150.45 
  Nyazi, Nehad 2228 EGY0.5010.02150.30 

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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