Individual Calculations April 2018
 Piro Madraccio, Nicolas  Total change: 2.40  Rating chartPersonal card
 Coupe du Leman 2018 Cat. A VAUD different places SUI 2018-02-05
RcRownchangeKK*chgGame
 1852 2022 1.50 2 0.06 40 2.40 
  Jaquier, Daniel 1797 SUI1.0010.22408.80 
  Ducrest, Michel 1907 SUI0.501-0.1640-6.40 

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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