Individual Calculations July 2009
 Parmentier, Patrice  Total change: 9.25  Rating chartPersonal card
 Belgian National Team Championship 2008-2009 Various BEL 2008-10-05
RcRownchangeKK*chgGame
 2019 1961 2.50 5 0.37 25 9.25 
  Guion, Geoffrey 1913 BEL0.501-0.0725-1.75 
  Heimsoth, Holger 2145 GER1.0010.742518.50 
  Piacentini, Claudio 2095 BEL0.001-0.3225-8.00 
  Ackaert, Thierry 2022 BEL0.001-0.4225-10.50 
  Drose, Daniela 1918 GER1.0010.442511.00 

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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