Individual Calculations August 2019
 Parrella, Alfredo  Total change: -18.20  Rating chartPersonal card
 Semifinale CIA 2019 Spoleto ITA 2019-07-20
RcRownchangeKK*chgGame
 2080 2116 4.00 9 -0.91 20 -18.20 
  Lumachi, Gabriele f2293 ITA0.001-0.2720-5.40 
  La Ricca, Silvio 1949 ITA0.501-0.2220-4.40 
  Carnicelli, Valerio f2280 ITA0.001-0.2820-5.60 
  Marzano, Carlo 2155 ITA0.5010.05201.00 
  Melchior, Alex 2085 ITA0.001-0.5420-10.80 
  Mortola, Alberto 1973 ITA1.0010.31206.20 
  Miotto, Alberto 2009 ITA0.501-0.1520-3.00 
  Mameli, Gianluca 2119 ITA0.5010.00200.00 
  Duraccio, Walter Mattia 1861 ITA1.0010.19203.80 

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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