Individual Calculations July 2008
 Fratczak, Piotr  Total change: -7.50  Rating chartPersonal card
 Lower Silesian Chess Leagues Dolny Slask POL 2007-10-14
RcRownchangeKK*chgGame
 1897 2053 2.50 4 -0.30 25 -7.50 
  Chrzanowski, Michal 1981 POL1.0010.402510.00 
  Dadello, Krzysztof 1824 POL1.0010.21255.25 
  Labuda, Michal 1810 POL0.501-0.3025-7.50 
  Wielosz, Jaroslaw 1973 POL0.001-0.6125-15.25 

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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