Individual Calculations July 2009
 De Combes, Fernand  Total change: -11.50  Rating chartPersonal card
 Belgian National Team Championship 2008-2009 Various BEL 2008-10-05
RcRownchangeKK*chgGame
 1977 1841 0.50 3 -0.46 25 -11.50 
  Van Herck, Paul 1981 BEL0.5010.19254.75 
  Boons, Patrick 1900 BEL0.001-0.4225-10.50 
  Aerts, Eric 2051 BEL0.001-0.2325-5.75 

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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