Individual Calculations July 2015
 Erriu, Giampiero  Total change: -27.20  Rating chartPersonal card
 CR Sardegna 2015 Cagliari ITA 2015-05-30
RcRownchangeKK*chgGame
 1662 1633 0.50 4 -1.36 20 -27.20 
  Zuccarelli, Angelo 1888 ITA0.001-0.1920-3.80 
  Marras, Giuseppe 1774 ITA0.001-0.3120-6.20 
  Carucci, Bruno 1410 ITA0.501-0.2820-5.60 
  Agus, Lorenzo 1574 ITA0.001-0.5820-11.60 

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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