Individual Calculations July 2009
 Kochetkov, Sergey  Total change: -40.50  Rating chartPersonal card
 Zhukovsky April 2009 B open Zhukovsky RUS 2009-04-25
RcRownchangeKK*chgGame
 1722 1658 0.50 5 -1.62 25 -40.50 
  Kaverin, Lev 1913 RUS0.001-0.1925-4.75 
  Ershov, Aleksey 1627 RUS0.001-0.5425-13.50 
  Tamarovskiy, Andrey 1870 RUS0.001-0.2325-5.75 
  Vatolin, Aleksey 1585 RUS0.001-0.6025-15.00 
  Gostev, Oleg 1617 RUS0.501-0.0625-1.50 

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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