Individual Calculations January 2009
 Akhmetov, Ayan  Total change: -13.50  Rating chartPersonal card
 World Youth Chess Championships 2008 - Open 12 Vung Tau VIE 2008-10-20
RcRownchangeKK*chgGame
 1879 1978 2.50 5 -0.54 25 -13.50 
  Lee, Kah Meng Elgin 1817 MAS0.501-0.2125-5.25 
  Pon, Matt 1628 RSA1.0010.11252.75 
  Chen, Pin-Hung 1700 TPE1.0010.17254.25 
  Girish, A Koushik f2161 IND0.001-0.2625-6.50 
  Cheng, Bobby 2088 NZL0.001-0.3525-8.75 

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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