Individual Calculations April 2008
 Hurwitz, Ed J G  Total change: -10.50  Rating chartPersonal card
 Blackpool Challengers Blackpool ENG 2008-03-07
RcRownchangeKK*chgGame
 1925 2083 1.00 2 -0.42 25 -10.50 
  Hegarty, Sarah N 1974 ENG0.501-0.1525-3.75 
  Woods, Connor 1876 SCO0.501-0.2725-6.75 

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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