Individual Calculations May 2011
 Marelli, Emanuele  Total change: -11.75  Rating chartPersonal card
 WE Primavera a Roma 2011 Roma ITA 2011-04-01
RcRownchangeKK*chgGame
 1833 1622 0.50 4 -0.47 25 -11.75 
  De Carolis, Massimo 1972 ITA0.001-0.1125-2.75 
  Maddaloni, Giovanni 1827 ITA0.001-0.2425-6.00 
  Bolla, Vittorio 1782 ITA0.5010.21255.25 
  Di Carlo, Adriano 1749 ITA0.001-0.3325-8.25 

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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