Individual Calculations June 2017
 Mazza, Maurizio  Total change: 8.20  Rating chartPersonal card
 CR Lazio 2017 Ladispoli ITA 2017-05-05
RcRownchangeKK*chgGame
 1522 1558 1.50 2 0.41 20 8.20 
  Giordani, Luca 1359 ITA0.501-0.2620-5.20 
  Mariani, Corrado 1684 ITA1.0010.672013.40 

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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