Individual Calculations January 2010
 Saiid, Ibrahim  Total change: 11.25  Rating chartPersonal card
 Egyptian Masters 2009 Cairo EGY 2009-11-15
RcRownchangeKK*chgGame
 2227 2064 2.50 6 0.75 15 11.25 
  Ibrahim, Hatim 2328 EGY1.0010.821512.30 
  Kamel, Mahmoud 2164 EGY0.5010.14152.10 
  Amin, Ashraf 2336 EGY0.001-0.1715-2.55 
  Zayan, Osama 2217 EGY1.0010.701510.50 
  Abdel Fadil, Mohamed 2205 EGY0.001-0.3115-4.65 
  Salah, Ahmed As 2111 EGY0.001-0.4315-6.45 

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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