Individual Calculations July 2009
 Bakhtin, Andrei  Total change: 5.50  Rating chartPersonal card
 Novosibirsk March 2009 open Novosibirsk RUS 2009-03-17
RcRownchangeKK*chgGame
 1827 1691 2.50 7 0.22 25 5.50 
  Chaschin, Nikolai 1859 RUS0.001-0.2825-7.00 
  Bragin, Mikhail 1774 RUS0.5010.11252.75 
  Portal, Alexander 1827 RUS0.001-0.3225-8.00 
  Korobkov, Vadim 1832 RUS0.001-0.3125-7.75 
  Tulupov, Mikhail 1721 RUS1.0010.542513.50 
  Levin, Mikhail 1770 RUS1.0010.612515.25 
  Romanov, Viktor 2007 RUS0.001-0.1325-3.25 

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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