Individual Calculations April 2019
 Petrini, Roberto  Total change: 6.40  Rating chartPersonal card
 CIS 2019 - Serie Promozione Emilia-Romagna 2 Forli' ITA 2019-03-15
RcRownchangeKK*chgGame
 1531 1412 1.00 2 0.32 20 6.40 
  Gerace, Agostino 1469 ITA1.0010.582011.60 
  Alessandrini, Matteo 1592 ITA0.001-0.2620-5.20 

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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