Individual Calculations May 2010
 Calzerano, Gerardo  Total change: -2.50  Rating chartPersonal card
 OP del Forte Forte dei Marmi ITA 2010-03-05
RcRownchangeKK*chgGame
 1919 1721 1.00 4 -0.10 25 -2.50 
  Bossi, Alessandro 2019 ITA0.5010.35258.75 
  Cheli, Giancarlo 1998 ITA0.001-0.1725-4.25 
  Bigagli, Rodolfo 2048 ITA0.001-0.1325-3.25 
  Calvi, Luca 1610 ITA0.501-0.1525-3.75 

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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