Individual Calculations April 2009
 Calvi, Luca  Total change: 0.25  Rating chartPersonal card
 WE Scacchi tra le Torri - B Melegnano ITA 2009-02-20
RcRownchangeKK*chgGame
 1719 1622 1.50 4 0.01 25 0.25 
  Trujillo, Torres Richard 1837 ECU0.001-0.2325-5.75 
  Potenza, Gaetano 1709 ITA0.001-0.3825-9.50 
  Vigliaroli, Matteo Luigi 1687 ITA0.5010.09252.25 
  Riva, Carlo 1643 ITA1.0010.532513.25 

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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