Individual Calculations July 2009
 Taylor, Robert K  Total change: -2.25  Rating chartPersonal card
 4NCL part 3 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2053 2107 1.00 2 -0.15 15 -2.25 
  Gilbert, Jonathan A 2069 WLS0.501-0.0515-0.75 
  Evans, Craig 2037 WLS0.501-0.1015-1.50 

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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