Individual Calculations January 2009
 Kahramanova, Mohinur  Total change: -31.50  Rating chartPersonal card
 World Youth Chess Championships 2008 - Girls 12 Vung Tau VIE 2008-10-20
RcRownchangeKK*chgGame
 1540 1874 0.50 2 -1.26 25 -31.50 
  M, Priadarshni 1524 IND0.501-0.3925-9.75 
  Chiang, Sarah wc1556 USA0.001-0.8725-21.75 

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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