Individual Calculations January 2009
 Viela, Marco Antonio Folha  Total change: 5.25  Rating chartPersonal card
 XXVI Open Cucujaes Cucujaes POR 2008-12-06
RcRownchangeKK*chgGame
 1931 2193 6.00 7 0.35 15 5.25 
  Ferreira, Vitorino Manuel Dias 1843 POR1.0010.11151.65 
  Ribau, Nelson Manuel Salvador 1843 POR1.0010.11151.65 
  Pires, Igor Tiago Duarte 1860 POR0.501-0.3815-5.70 
  Costa, Rui Filipe Magalhaes 1993 POR1.0010.24153.60 
  Nora, Fernando Manuel Lobo Caetan 1863 POR1.0010.12151.80 
  Barbosa, Fabio Manuel Oliveira 2126 POR0.501-0.0915-1.35 
  Pires, Gustavo Martins Pereira 1988 POR1.0010.24153.60 

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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