Individual Calculations January 2009
 Perrett, David C  Total change: -20.25  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2005 1971 0.50 1 0.05 25 1.25 
  Levens, David G 2005 ENG0.5010.05251.25 

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)
 
 24th European Club Cup 2008 Halkidiki, Greece Kallithea, Halkidiki - Greece GRE 2008-10-17
RcRownchangeKK*chgGame
 2305 1971 0.00 7 -0.86 25 -21.50 
  Kveinys, Aloyzas g2321 LTU0.001-0.1125-2.75 
  Gharamian, Tigran m2321 FRA0.001-0.1125-2.75 
  Jones, Richard S f2307 WLS0.001-0.1225-3.00 
  Efimov, Igor g2321 MNC0.001-0.1125-2.75 
  Brady, Stephen f2321 IRL0.001-0.1125-2.75 
  Pilgaard, Kim m2321 DEN0.001-0.1125-2.75 
  McPhillips, Karl 2222 IRL0.001-0.1925-4.75 

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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