Individual Calculations September 2009
 Diaferia, Joseph  Total change: 8.10  Rating chartPersonal card
 15e Festival International de Chambery - Open B Chambery FRA 2009-08-01
RcRownchangeKK*chgGame
 1650 1772 4.50 6 0.54 15 8.10 
  Mas, Bernard 1541 FRA1.0010.21153.15 
  Pittiani, Pascale 1618 FRA1.0010.29154.35 
  Sorbe, Xavier 1649 FRA0.501-0.1715-2.55 
  Brobecker, Alain 1772 FRA1.0010.50157.50 
  Ringot, Maxime 1719 FRA0.001-0.5715-8.55 
  Pruvost, Alain 1602 FRA1.0010.28154.20 

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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