Individual Calculations May 2013
 Siwik, Rafal  Total change: 2.40  Rating chartPersonal card
 4th Lower Silesian Ligue 2012/2013 Lower Silesia POL 2012-10-21
RcRownchangeKK*chgGame
 1590 1990 2.00 2 0.16 15 2.40 
  Mazurkiewicz, Lukasz 1590  * POL1.0010.08151.20 
  Skotny, Agata 1590  * POL1.0010.08151.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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