Individual Calculations May 2010
 Ognibene, Piero  Total change: -7.25  Rating chartPersonal card
 CP Rieti Rieti ITA 2010-03-19
RcRownchangeKK*chgGame
 1823 1900 1.50 3 -0.29 25 -7.25 
  De Blasio, Alessandro 2046 ITA0.5010.20255.00 
  Tomassetti, Giuseppe 1706 ITA0.001-0.7525-18.75 
  Almadori, Giovanni 1717 ITA1.0010.26256.50 

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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