Individual Calculations April 2019
 Napoli Costa, Antonello  Total change: -31.20  Rating chartPersonal card
 CIS 2019 - Serie C Gironi 29, 30 e 31 Motta Sant'Anastasia ITA 2019-03-15
RcRownchangeKK*chgGame
 1715 1724 0.00 3 -1.56 20 -31.20 
  Miosi, Francesco 1632 ITA0.001-0.6320-12.60 
  Vella, Duncan c1993 ITA0.001-0.1720-3.40 
  Urzi , Giovanni 1520 ITA0.001-0.7620-15.20 

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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