Individual Calculations August 2013
 Chiaretti, Roberto  Total change: -0.30  Rating chartPersonal card
 OP 12 Bergamo Bergamo ITA 2013-07-19
RcRownchangeKK*chgGame
 2084 2212 4.00 6 -0.02 15 -0.30 
  Sirena, Gianni 2014 ITA0.001-0.7615-11.40 
  Messina, Roberta wf2089 ITA1.0010.33154.95 
  Rota, Simone 2037 ITA1.0010.27154.05 
  Foo, William J 2090 ENG0.001-0.6715-10.05 
  Ventura, Salvatore 2017 ITA1.0010.25153.75 
  Sgnaolin, Davide 2258 ITA1.0010.56158.40 

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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