Individual Calculations July 2009
 Sanders, Isaac B  Total change: 0.75  Rating chartPersonal card
 Amersham International Amersham ENG 2009-05-22
RcRownchangeKK*chgGame
 1871 1854 1.00 2 0.03 25 0.75 
  Jackson, James P 2106 ENG0.001-0.1925-4.75 
  Jones, Jeremy 1635 WLS1.0010.22255.50 

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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