Individual Calculations January 2009
 Van Der Stricht, Jan  Total change: -16.50  Rating chartPersonal card
 Open Brasschaat Brasschaat BEL 2008-08-16
RcRownchangeKK*chgGame
 1788 1971 1.50 3 -0.66 25 -16.50 
  Swijsen, Lars 1898 BEL0.501-0.1025-2.50 
  Geerts, Luc 1621 BEL1.0010.11252.75 
  De Ridder, Dieter 1845 BEL0.001-0.6725-16.75 

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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