Individual Calculations July 2010
 Graziani, Roberto  Total change: -18.60  Rating chartPersonal card
 FE Citta' di Roseto - B Roseto degli Abruzzi ITA 2010-06-04
RcRownchangeKK*chgGame
 1747 1774 2.50 7 -1.24 15 -18.60 
  Marozzi, Giovanni 1936 ITA0.5010.21153.15 
  Mastroddi, Giuseppe 1742 ITA0.501-0.0415-0.60 
  Crippa, Mario 1852 ITA0.001-0.3915-5.85 
  Acunzo, Domenico 1805 ITA0.001-0.4615-6.90 
  Musmarra, Giovanni 1638 ITA0.501-0.1815-2.70 
  Piazza, Giacomo 1613 ITA1.0010.29154.35 
  Porat, Rami 1646 ISR0.001-0.6715-10.05 

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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