Individual Calculations July 2021
 Tagliaferri, Valerio  Total change: -1.80  Rating chartPersonal card
 CR Lombardia 2021 Vigevano ITA 2021-06-18
RcRownchangeKK*chgGame
 1874 1762 1.00 3 -0.09 20 -1.80 
  Cecchini, Massimo S. 1646 ITA1.0010.34206.80 
  Soncin, Denis 1974 ITA0.001-0.2320-4.60 
  Lo Pinto, Giovanni 2001 ITA0.001-0.2020-4.00 

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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