Individual Calculations December 2018
 Petri, Petraq  Total change: 7.60  Rating chartPersonal card
 Florence Move 2018 - C Firenze ITA 2018-11-02
RcRownchangeKK*chgGame
 1485 1655 4.00 5 0.38 20 7.60 
  Donzellotti, Giuseppe 1500 ITA1.0010.29205.80 
  Tirenna, Francesco 1480 ITA1.0010.27205.40 
  Vari, Claudio 1488 ITA1.0010.28205.60 
  Rossi, Paolo 1438 ITA0.001-0.7820-15.60 
  Campisano, Giovanni 1521 ITA1.0010.32206.40 

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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