Individual Calculations February 2013
 Ardizzone, Luigi  Total change: 3.75  Rating chartPersonal card
 OP 1 Palermo Scacchi Palermo ITA 2012-12-13
RcRownchangeKK*chgGame
 1822 1497 0.50 2 0.25 15 3.75 
  Varriale, Luca 1815 ITA0.001-0.1315-1.95 
  Natoli, Domenico 1829 ITA0.5010.38155.70 

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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