Individual Calculations May 2010
 Zielinski, Zbigniew  Total change: 4.80  Rating chartPersonal card
 Dolnoslaska Liga Szachowa Dolny Slask POL 2009-10-18
RcRownchangeKK*chgGame
 1853 1920 1.50 2 0.32 15 4.80 
  Bielinski, Kazimierz 1781 POL1.0010.31154.65 
  Tymcio, Leszek 1924 POL0.5010.01150.15 

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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