Individual Calculations July 2008
 Pires, Igor Tiago Duarte  Total change: 5.40  Rating chartPersonal card
 Campeonatos Nacionais de Jovens 2007/2008 Sub-18 Figueira da Foz POR 2008-03-16
 1887 1829 2.50 5 0.36 15 5.40 
  Teixeira, Rafael Goltsman 2152 POR0.001-0.1315-1.95 
  Andrade, Nuno Filipe 1479 POR1.0010.11151.65 
  Carvalho, Emanuel Jose 1788 POR0.501-0.0615-0.90 
  Pinto, Andre Filipe Silva 1891 POR1.0010.59158.85 
  Baptista, Ana Filipa wf2124 POR0.001-0.1515-2.25 

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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