Individual Calculations July 2009
 Maduro, Joao Luis Andrade  Total change: -8.25  Rating chartPersonal card
 III Open Int Hotel D. Luis Coimbra POR 2009-04-30
RcRownchangeKK*chgGame
 1980 1809 0.50 3 -0.33 25 -8.25 
  Bastos, Jorge Manuel 1901 POR0.5010.13253.25 
  Morais, Vitor 2030 POR0.001-0.2225-5.50 
  Neves, Pedro 2009 POR0.001-0.2425-6.00 

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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