Individual Calculations July 2009
 Peris Morte, Joaquim  Total change: -8.25  Rating chartPersonal card
 Campeonato de Catalnya d'Equipos Preferente Barcelona G-III Catalunya ESP 2009-02-01
 1923 1862 0.50 2 -0.33 25 -8.25 
  Navarro Perez, Juan Carles 1993 ESP0.5010.18254.50 
  Tallo Dominguez, Kirian 1852 ESP0.001-0.5125-12.75 

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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