Individual Calculations May 2010
 Hergli, Amir  Total change: -13.50  Rating chartPersonal card
 championat de Tunisie individuel 2010 Monastir TUN 2010-03-20
RcRownchangeKK*chgGame
 2157 2186 0.00 1 -0.54 25 -13.50 
  Abbes, Ali 2157 TUN0.001-0.5425-13.50 

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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