Individual Calculations July 2009
 Valotta, Massimiliano  Total change: 7.20  Rating chartPersonal card
 CP Reggio Calabria Locri ITA 2009-02-20
 1874 1889 1.00 1 0.48 15 7.20 
  Tricomi, Massimo 1874 ITA1.0010.48157.20 

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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