Individual Calculations May 2017
 Ghelfi, Giancarlo  Total change: -8.60  Rating chartPersonal card
 OP 12 Primavera a Como Como ITA 2017-02-23
RcRownchangeKK*chgGame
 1668 1568 2.00 6 -0.43 20 -8.60 
  Rossini, Fulvio 1968  * ITA0.001-0.0820-1.60 
  Montorfano, Carlo 1338 ITA1.0010.21204.20 
  Buonocore, Elio 1968  * ITA0.001-0.0820-1.60 
  La Fontana, Stefano 1760 ITA0.001-0.2520-5.00 
  Frignani, Alessandro 1465 ITA0.001-0.6420-12.80 
  Bassoli, Andrea D. 1506 ITA1.0010.41208.20 
 * 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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