Individual Calculations June 2014
 Collier, David O  Total change: -7.50  Rating chartPersonal card
 4NCL 2013-14 Rounds 9-11 Various ENG 2014-05-03
RcRownchangeKK*chgGame
 2175 2050 0.50 3 -0.50 15 -7.50 
  Eames, Robert S f2227 ENG0.001-0.2715-4.05 
  James, David J f2181 WLS0.001-0.3215-4.80 
  Purdon, Colin 2118 ENG0.5010.09151.35 

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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