Individual Calculations July 2009
 Vilaseca Arroyo, Joan Maria  Total change: -13.75  Rating chartPersonal card
 Campeonato de Catalnya d'Equipos Preferente Barcelona G-III Catalunya ESP 2009-02-01
 1902 1914 1.00 3 -0.55 25 -13.75 
  Bise Fenoy, Jordi 1843 ESP0.001-0.6025-15.00 
  Martin Torras, Candido 1991 ESP1.0010.612515.25 
  Esteve Vivas, Alex 1871 ESP0.001-0.5625-14.00 

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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