Individual Calculations May 2015
 Poretti, Ennio  Total change: -11.20  Rating chartPersonal card
 CIS 2015 - Promozione Lombardia 2 Robecchetto con Induno ITA 2015-03-27
RcRownchangeKK*chgGame
 1872 1790 0.50 2 -0.28 40 -11.20 
  Kupresakovic, Marko 1910 CRO0.001-0.3440-13.60 
  Moroni, Luca 1833 ITA0.5010.06402.40 

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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