Individual Calculations January 2009
 Sabli, Ira Kartika Dewi  Total change: -70.50  Rating chartPersonal card
 World Youth Chess Championships 2008 - Girls 14 Vung Tau VIE 2008-10-20
RcRownchangeKK*chgGame
 1774 2093 1.50 5 -2.82 25 -70.50 
  Yu, Sally 1772 AUS0.501-0.3725-9.25 
  Neo, Xiuwen Christabel 1743 SIN0.001-0.8925-22.25 
  Havanecz, Bianka 1743 HUN0.001-0.8925-22.25 
  Carlsen, Ingrid Oen 1743 NOR1.0010.11252.75 
  Gevorgyan, Maria 1870 ARM0.001-0.7825-19.50 

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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