Individual Calculations July 2009
 Avramov, Petkov Plamen  Total change: -19.75  Rating chartPersonal card
 Campeonato de Catalnya d'Equipos Preferente Barcelona G-III Catalunya ESP 2009-02-01
 1927 1875 0.50 3 -0.79 25 -19.75 
  Lecha Garcia, Eduard 1906 ESP0.001-0.4625-11.50 
  Tejedor Cros, Andres 1949 ESP0.001-0.4025-10.00 
  Cerdans Costa, Ferran 1925 ESP0.5010.07251.75 

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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