Individual Calculations January 2009
 Cook, Michael P  Total change: -11.00  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2079 2056 0.50 2 -0.44 25 -11.00 
  Wells, Daniel J 2012 ENG0.501-0.0625-1.50 
  Richmond, Jane wf2145 WLS0.001-0.3825-9.50 

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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