Individual Calculations July 2009
 Ribera Nebot, Joan  Total change: 13.20  Rating chartPersonal card
 Campeonato de Catalnya d'Equipos Preferente Barcelona G-III Catalunya ESP 2009-02-01
 2042 2086 2.00 2 0.88 15 13.20 
  Jane Basora, Rafael Lluis 2021 ESP1.0010.41156.15 
  Canovas Quesada, Joan Josep 2063 ESP1.0010.47157.05 

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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