Individual Calculations April 2009
 Mombelli, Antonio  Total change: -15.60  Rating chartPersonal card
 OP 25 Anniversario Franciacorta Provaglio d'Iseo ITA 2008-11-07
RcRownchangeKK*chgGame
 1837 1849 0.50 3 -1.04 15 -15.60 
  Dieli, Riccardo 1942 ITA0.001-0.3715-5.55 
  Cristiani, Gianfranco 1720 ITA0.501-0.1715-2.55 
  Lazzaroni, Fabio 1850 ITA0.001-0.5015-7.50 

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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