Individual Calculations April 2009
 Serafini, Gino  Total change: -14.25  Rating chartPersonal card
 FE Citta' di Assisi - B Assisi ITA 2008-12-18
RcRownchangeKK*chgGame
 1846 1863 1.00 3 -0.57 25 -14.25 
  Ferri, Fabio 1845 ITA1.0010.472511.75 
  Sorbelli, Massimo 1929 ITA0.001-0.4125-10.25 
  Mazza, Daniele 1765 ITA0.001-0.6325-15.75 

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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