Individual Calculations July 2009
 Roos, David  Total change: 15.70  Rating chartPersonal card
 Belgian National Team Championship 2008-2009 Various BEL 2008-10-05
RcRownchangeKK*chgGame
 1988 1722 1.50 4 0.76 25 19.00 
  Willockx, Ritsaart 1944 BEL0.001-0.2225-5.50 
  Cappon, Kaan 1877 BEL1.0010.712517.75 
  De Leur, Ben 2057 NED0.001-0.1225-3.00 
  Versporten, Wim 2072 BEL0.5010.39259.75 

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)
 
NOTE: K factor changed
 Belgisch Jeugdkampioenschap 2009 -20/-18 Houffalize BEL 2009-04-13
RcRownchangeKK*chgGame
 1904 1773 1.50 5 -0.22 15 -3.30 
  Herman, Jean 1988 BEL0.5010.27154.05 
  Beukema, Stefan 2009 NED0.001-0.2015-3.00 
  Ponnet, Geerard 1699 BEL0.001-0.6015-9.00 
  De Vogelaere, Robin 1737 BEL1.0010.45156.75 
  Larmuseau, Maarten 2085 BEL0.001-0.1415-2.10 

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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