Individual Calculations July 2011
 Waddingham, Paul J  Total change: -4.65  Rating chartPersonal card
 4NCL 2011 various ENG 2010-11-06
RcRownchangeKK*chgGame
 1979 1686 0.00 2 -0.31 15 -4.65 
  Jaszkiwskyj, Peter 1996 ENG0.001-0.1415-2.10 
  Perrett, David C 1961 WLS0.001-0.1715-2.55 

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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