Individual Calculations July 2008
 Rosario, Nuno  Total change: -18.25  Rating chartPersonal card
 Distrital do Porto -preliminar L Porto POR 2008-03-25
 1748 1837 0.50 2 -0.73 25 -18.25 
  Santos, Eduardo 1651 POR0.001-0.7425-18.50 
  Marques, Mario 1845 POR0.5010.01250.25 

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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