Individual Calculations April 2019
 Di Marco, Salvatore Marco  Total change: 18.40  Rating chartPersonal card
 CIS 2019 - Serie Promozione Sicilia Motta Sant'Anastasia ITA 2019-03-15
RcRownchangeKK*chgGame
 1461 1477 3.00 4 0.92 20 18.40 
  Ferrarello, Francesco 1509 ITA1.0010.542010.80 
  La Franca, Vincenzo 1517 ITA0.5010.06201.20 
  Tirenna, Francesco 1476 ITA0.5010.00200.00 
  Todaro, Giorgio 1340 ITA1.0010.32206.40 

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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