Individual Calculations January 2009
 Kosov, Sergey  Total change: 21.75  Rating chartPersonal card
 PriFR Chmp. 2008 Boys-18 Penza RUS 2008-11-03
RcRownchangeKK*chgGame
 2081 1825 2.50 8 0.87 25 21.75 
  Burger, Konstantin 2175 RUS0.001-0.1125-2.75 
  Nelyubin, Grigory 2065 RUS0.5010.30257.50 
  Alyautdinov, Rushan 2175 RUS1.0010.892522.25 
  Gazizov, Iljas 2175 RUS0.001-0.1125-2.75 
  Borisovsky, Viktor 2049 RUS0.001-0.2225-5.50 
  Dimukhametov, Artur f2175 RUS0.001-0.1125-2.75 
  Ishbuldin, Marsel 2047 RUS0.001-0.2225-5.50 
  Budruev, Mikhail 1787 RUS1.0010.452511.25 

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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