Individual Calculations July 2009
 Courteyn, Patrick  Total change: -19.25  Rating chartPersonal card
 Belgian National Team Championship 2008-2009 Various BEL 2008-10-05
RcRownchangeKK*chgGame
 2005 1921 0.00 2 -0.77 25 -19.25 
  Westerweele, Henrik 2039 NED0.001-0.3425-8.50 
  Van Der Stricht, Jan 1971 BEL0.001-0.4325-10.75 

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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