Individual Calculations July 2009
 Macai, Ioan  Total change: -15.75  Rating chartPersonal card
 Belgian National Team Championship 2008-2009 Various BEL 2008-10-05
RcRownchangeKK*chgGame
 1910 1959 0.50 2 -0.63 25 -15.75 
  Costa, Serge 1977 BEL0.5010.03250.75 
  Denys, Frank 1842 BEL0.001-0.6625-16.50 

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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