Individual Calculations May 2013
 Pitrelli, Antonio  Total change: 4.95  Rating chartPersonal card
 OP di Primavera 2013 Rocca Priora ITA 2013-04-19
RcRownchangeKK*chgGame
 1875 2001 3.50 5 0.33 15 4.95 
  Giannandrea, Fabio 1601  * ITA1.0010.08151.20 
  Palermo, Stefano 2110 ITA0.5010.15152.25 
  Di Meo, Antonio 1909 ITA1.0010.37155.55 
  Lelli, Adriano 2066 ITA0.001-0.4115-6.15 
  Sonis, Francesco 1691 ITA1.0010.14152.10 
 * 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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