Individual Calculations July 2010
 Davies, Peter L  Total change: -7.35  Rating chartPersonal card
 Four Nations Chess League (4NCL) Various ENG 2009-10-24
RcRownchangeKK*chgGame
 2007 2002 0.50 2 -0.49 15 -7.35 
  McCullough, Simon L 1986 ENG0.001-0.5215-7.80 
  Norinkeviciute, Rasa wf2027 LTU0.5010.03150.45 

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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