Individual Calculations January 2009
 Potapov, Yuri  Total change: 42.50  Rating chartPersonal card
 Lipetsk region 2008 SF open Lipetsk RUS 2008-10-18
RcRownchangeKK*chgGame
 1889 1565 2.50 6 1.70 25 42.50 
  Dulin, Anatoliy 1915 RUS1.0010.892522.25 
  Ryakhovskiy, Alexander 1915 RUS0.5010.39259.75 
  Chesnokov, Vladimir 1915 RUS0.5010.39259.75 
  Filin, Alexander 1915 RUS0.001-0.1125-2.75 
  Ruchkin, Ivan 1915 RUS0.001-0.1125-2.75 
  Popova, Anna 1761 RUS0.5010.25256.25 

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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