Individual Calculations January 2011
 Gratton, Michel  Total change: -8.00  Rating chartPersonal card
 Team - Picardie - Part 2 PIC FRA 2010-11-16
RcRownchangeKK*chgGame
 1931 1862 0.50 2 -0.32 25 -8.00 
  Thomas, Olivier 2021 FRA0.001-0.2925-7.25 
  Szczepanski, Christophe 1840 FRA0.501-0.0325-0.75 

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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