Individual Calculations July 2010
 Nafati, Abdelaziz  Total change: -25.75  Rating chartPersonal card
 Aquitaine 1 AQU FRA 2009-10-04
RcRownchangeKK*chgGame
 1744 1754 0.00 2 -1.03 25 -25.75 
  Arrouch, Marc 1665 FRA0.001-0.6225-15.50 
  Pellegrin, Guy 1822 FRA0.001-0.4125-10.25 

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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