Individual Calculations January 2010
 Lombardi, Mariano  Total change: -0.75  Rating chartPersonal card
 OP Scacchi km 0 Scalea ITA 2009-12-18
RcRownchangeKK*chgGame
 2108 2118 1.50 3 -0.05 15 -0.75 
  Piccoli, Vincenzo 2014 ITA1.0010.36155.40 
  Gromovs, Sergejs f2291 ITA0.001-0.2715-4.05 
  Forlano, Luigi 2018 ITA0.501-0.1415-2.10 

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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