Individual Calculations July 2008
 Obrochta, Bogdan  Total change: 10.65  Rating chartPersonal card
 Druzynowe Mistrzostwa Wojewodztwa Slaskiego Seniorow LOS 2008 Slask POL 2008-02-10
RcRownchangeKK*chgGame
 2010 2063 3.00 4 0.71 15 10.65 
  Tchorzewski, Kazimierz 1906 POL1.0010.29154.35 
  Wozniak, Dawid 1900 POL0.501-0.2215-3.30 
  Porwol, Adam 2116 POL0.5010.07151.05 
  Kempa, Stefan 2116 POL1.0010.57158.55 

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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