Individual Calculations July 2009
 Markaki, Sofia  Total change: -18.75  Rating chartPersonal card
 GIRLS U 18 - CHANIA CHAMP. 2009 CHANIA GRE 2008-12-06
RcRownchangeKK*chgGame
 1823 1728 0.00 2 -0.75 25 -18.75 
  Fragaki, Maria 1902 GRE0.001-0.2725-6.75 
  Tsarouha, Marianthi 1743 GRE0.001-0.4825-12.00 

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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