Individual Calculations January 2009
 Al-Ghasra, Ali  Total change: -4.35  Rating chartPersonal card
 4th Gulf Teams Ch. 2008 Dubai UAE 2008-10-08
RcRownchangeKK*chgGame
 2190 2137 1.00 3 -0.29 15 -4.35 
  Al-Tamimi, Hamad 2285 QAT0.001-0.3015-4.50 
  Al-Hageri, Badr 2154 KUW1.0010.52157.80 
  Yahya, Mohamed Saleh f2131 UAE0.001-0.5115-7.65 

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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