Individual Calculations April 2009
 Boryak, Alexey  Total change: -5.25  Rating chartPersonal card
 Novosibirsk Region Seniors 2009 open Novosibirsk RUS 2009-02-03
RcRownchangeKK*chgGame
 1931 1969 3.50 7 -0.35 15 -5.25 
  Kudrin, Yury 1826 RUS1.0010.31154.65 
  Volkov, Petr 2028 RUS1.0010.58158.70 
  Chernoev, Yakov 1927 RUS0.001-0.5615-8.40 
  Kozdov, Nikolai 2042 RUS0.001-0.4015-6.00 
  Chesnokov, Gennady 2024 RUS0.001-0.4215-6.30 
  Mitkovsky, Semen 1833 RUS0.501-0.1815-2.70 
  Smirnova, Elena 1835 RUS1.0010.32154.80 

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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