Individual Calculations April 2009
 Bonoldi, Fabio  Total change: 15.25  Rating chartPersonal card
 WE Scacchi tra le Torri - B Melegnano ITA 2009-02-20
RcRownchangeKK*chgGame
 1778 1875 2.50 3 0.61 25 15.25 
  Casale, Anania 1719 ITA0.501-0.2125-5.25 
  Pedemonte, Claudio 1829 ITA1.0010.442511.00 
  Bongiorni, Gabriele 1785 ITA1.0010.38259.50 

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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