Individual Calculations January 2012
 Refaat, Ibrahim  Total change: 6.15  Rating chartPersonal card
 Egyptian Championship 2011 Cairo EGY 2011-11-13
RcRownchangeKK*chgGame
 2196 1967 1.50 5 0.41 15 6.15 
  Salem, Zahed 2246 EGY0.001-0.1615-2.40 
  Saleh, Fatehy 2160 EGY0.5010.25153.75 
  Metwally, Ahmed 2152 EGY1.0010.741511.10 
  Aly Ibrahim, Alaa 2129 EGY0.001-0.2915-4.35 
  El Ghazali, Youssef M m2295 EGY0.001-0.1315-1.95 

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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