Individual Calculations July 2009
 Dudzik, Leszek  Total change: -8.25  Rating chartPersonal card
 Mazovia Team Championship Mazowsze POL 2009-01-11
RcRownchangeKK*chgGame
 2077 2018 0.50 2 -0.33 25 -8.25 
  Sokalski, Daniel 2073 POL0.5010.08252.00 
  Krasiewicz, Robert 2080 POL0.001-0.4125-10.25 

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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