Individual Calculations April 2018
 Salerno, Antonino  Total change: -28.80  Rating chartPersonal card
 50 CIS - Promozione Campania Nola ITA 2018-02-17
RcRownchangeKK*chgGame
 1336 1422 0.50 2 -0.72 40 -28.80 
  Sanna, Marco 1420 ITA0.001-0.5040-20.00 
  Cangiano, Gianluca 1252 ITA0.501-0.2240-8.80 

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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