Individual Calculations May 2012
 Al Najar, Huda  Total change: -16.50  Rating chartPersonal card
 Welcome February International Chess Championship 2012 Al-Ain Caty UAE 2012-02-23
RcRownchangeKK*chgGame
 1948 1987 0.00 1 -0.55 30 -16.50 
  Abtini, Hasan 1948 SYR0.001-0.5530-16.50 

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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