Individual Calculations January 2009
 Roos, David  Total change: 23.25  Rating chartPersonal card
 Open Brasschaat Brasschaat BEL 2008-08-16
 2031 1687 1.50 5 0.93 25 23.25 
  Nieto, Emanuel 2037 BEL0.001-0.1125-2.75 
  De Vos, Nils 2037 BEL0.001-0.1125-2.75 
  Todts, Benny 2005 BEL1.0010.872521.75 
  Du Pont, David 2037 BEL0.5010.39259.75 
  Schuermans, Robert 2037 BEL0.001-0.1125-2.75 

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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