Individual Calculations July 2010
 Massa, Gianluca  Total change: -18.25  Rating chartPersonal card
 CR Sardegna Sardara ITA 2010-04-17
RcRownchangeKK*chgGame
 1811 1709 1.50 6 -0.73 25 -18.25 
  Loriga, Pierpaolo 1964 ITA0.001-0.1925-4.75 
  Marano, Daniele 1696 ITA1.0010.482512.00 
  Zuccarelli, Angelo 1910 ITA0.001-0.2425-6.00 
  Palmas, Alessandro 1855 ITA0.001-0.3025-7.50 
  Erriu, Giampiero 1777 ITA0.5010.09252.25 
  Dessy, Eugenio 1661 ITA0.001-0.5725-14.25 

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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