Individual Calculations March 2015
 Friar, Jim A  Total change: 20.00  Rating chartPersonal card
 1st 4NCL Congress Major (Under 2000) Birmingham ENG 2015-01-30
RcRownchangeKK*chgGame
 1809 1900 3.00 4 0.50 40 20.00 
  O Gorman, Brendan 1783 ENG1.0010.344013.60 
  Jackson, Gary C 1850 ENG1.0010.434017.20 
  Stephens, Ian Paul 1857 ENG0.501-0.0640-2.40 
  Collins, Andrew 1746 ENG0.501-0.2140-8.40 

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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