Individual Calculations July 2009
 Sultan, Ibrahim  Total change: -19.75  Rating chartPersonal card
 11th Dubai Open 2009 Dubai UAE 2009-04-26
RcRownchangeKK*chgGame
 2079 1834 0.50 6 -0.79 25 -19.75 
  Lejlic, Samir m2184 SWE0.001-0.1125-2.75 
  De Peyer, Nick J 2179 ENG0.001-0.1125-2.75 
  Mehdi, Samer 2099 IRI0.001-0.1825-4.50 
  Isgandarova, Khayala wm2184 AZE0.001-0.1125-2.75 
  Poleschikov, Alexey 1919 RUS0.001-0.3825-9.50 
  Chandana, Priya Reddy 1910 IND0.5010.10252.50 

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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