Individual Calculations September 2010
 Bertoletti, Vincenzo  Total change: -21.00  Rating chartPersonal card
 OP 9 Citta' di Bergamo - B Bergamo ITA 2010-07-16
RcRownchangeKK*chgGame
 1686 1758 1.50 4 -0.84 25 -21.00 
  Olivieri, Alessandro 1940 ITA0.001-0.2625-6.50 
  Soppelsa, Maurizio 1634 ITA0.001-0.6725-16.75 
  Tedoldi, Guido 1723 ITA0.501-0.0525-1.25 
  Attuati, Luca 1445 ITA1.0010.14253.50 

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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