Individual Calculations January 2019
 Zerafa, Jonathan  Total change: 9.40  Rating chartPersonal card
 Team 2019 - Entreprises r1-3 PARIS FRA 2018-10-14
RcRownchangeKK*chgGame
 2032 2037 2.00 3 0.47 20 9.40 
  Grichkevitch, Gilles 1968 FRA0.501-0.1020-2.00 
  Nizard, Roger 2164 FRA1.0010.672013.40 
  Bouton, Christophe 1963 FRA0.501-0.1020-2.00 

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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