Individual Calculations September 2011
 Dos Santos, Valdir Rerald Tavares  Total change: 0.00  Rating chartPersonal card
 Aberto do Brasil Xadrez Potiguar Natal/RN BRA 2011-08-19
RcRownchangeRpKK*chgGame
 1818 0 2.00 5 0.00 1746   0.00 
  Macedo, Alexandre Soares De 1957 BRA0.0010.00 0.00 
  Da Silva, Antonio Dutra 1791 BRA0.5010.00 0.00 
  Da Silva Filho, Ibernon Luiz 1776 BRA0.0010.00 0.00 
  Dantas, David Luan De Barros 1833 BRA1.0010.00 0.00 
  Boualit, Michael 1732 FRA0.5010.00 0.00 

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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