Individual Calculations July 2009
 Bettioui, Noureddine  Total change: 5.70  Rating chartPersonal card
 N4 - R7 Various FRA 2009-04-05
RcRownchangeKK*chgGame
 2070 2155 1.00 1 0.38 15 5.70 
  Morais, Mario 2070 FRA1.0010.38155.70 

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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