Individual Calculations January 2010
 Perrier, Jean-Francois  Total change: -4.00  Rating chartPersonal card
 Chpt Ile et Vilaine - 1 BRE FRA 2009-10-10
RcRownchangeKK*chgGame
 1858 1573 0.00 1 -0.16 25 -4.00 
  Dupitier, Mickael 1858 FRA0.001-0.1625-4.00 

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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