Individual Calculations July 2008
 Tavares, Tiago Miguel Couto  Total change: 15.30  Rating chartPersonal card
 Campeonatos Nacionais de Jovens 2007/2008 Sub-18 Figueira da Foz POR 2008-03-16
 1831 1761 3.50 6 1.02 15 15.30 
  Ferreira, Carlos Andre Santos 1981 POR0.5010.28154.20 
  Casanova, Fernando 2001 POR0.001-0.2015-3.00 
  Ferreira, Tiago Filipe Quiterio 1683 POR1.0010.39155.85 
  Lino, Miguel Fragoso Garrido 1869 POR0.5010.15152.25 
  Mendes, Roberto Carlos Santos 1683 POR0.501-0.1115-1.65 
  Afonso, Sara Cerqueira 1766 POR1.0010.51157.65 

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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