Individual Calculations July 2008
 Kogan, Alexander A.  Total change: 7.50  Rating chartPersonal card
 Chelyabinsk region Chmp. 2008 open Chelyabinsk RUS 2008-03-01
RcRownchangeKK*chgGame
 2159 2174 5.00 9 0.30 25 7.50 
  Kupavyh, Viacheslav 2169 RUS0.001-0.5125-12.75 
  Perezolov, Gerald 2132 RUS1.0010.442511.00 
  Sevastyanov, Michail 2161 RUS1.0010.482512.00 
  Suslova, Alena wf2165 RUS0.501-0.0125-0.25 
  Mokin, Nikolai f2321 RUS0.001-0.3025-7.50 
  Bolbat, M 2151 KAZ0.501-0.0325-0.75 
  Chernyshev, Sergej 2134 RUS0.001-0.5625-14.00 
  Tsapov, Igor 2162 RUS1.0010.482512.00 
  Oreshkin, Artem 2035 RUS1.0010.31257.75 

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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