Individual Calculations February 2016
 Petrini, Roberto  Total change: 20.40  Rating chartPersonal card
 FE 4 Mare d'inverno - B Gabicce Mare ITA 2016-01-02
RcRownchangeKK*chgGame
 1556 1159 1.00 6 0.51 40 20.40 
  Ciani, Davide 1559  * ITA0.001-0.0840-3.20 
  Kellner, Nikolaus 1559  * AUT0.001-0.0840-3.20 
  Casadio, Niccolo 1559  * ITA0.001-0.0840-3.20 
  Serpilli, Francesco 1559  * ITA0.001-0.0840-3.20 
  Gramellini, Fabio 1543 ITA0.5010.414016.40 
  Palma, Giorgio Maria 1559  * ITA0.5010.424016.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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