Individual Calculations April 2009
 Pereira, Antonio Pedro Dias Caram  Total change: 11.70  Rating chartPersonal card
 V AEJ CHESS FIDE OPEN S Joao da Madeira POR 2008-10-04
RcRownchangeKK*chgGame
 1954 2073 4.50 6 0.78 15 11.70 
  Silva, Madalena Cristina Carvalho 1723 POR1.0010.11151.65 
  Botelho, Adelino Dos Santos 1723 POR1.0010.11151.65 
  Silva, Stephane Gomes 2210 POR0.5010.18152.70 
  Andias, Joao Pedro Menezes 1723 POR1.0010.11151.65 
  Viela, Andre Filipe Folha 2192 POR0.5010.16152.40 
  Ferreira, Jorge Joao Viterbo 2153 POR0.5010.11151.65 

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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