Individual Calculations July 2008
 Donohue, Tom  Total change: 6.15  Rating chartPersonal card
 Edinburgh Congress Edinburgh SCO 2008-03-28
RcRownchangeKK*chgGame
 1960 1855 1.50 3 0.41 15 6.15 
  Wynarczyk, Raymond 2039 SCO0.001-0.2615-3.90 
  Coleman, Robbie 2018 SCO0.5010.22153.30 
  McBride, John 1822 SCO1.0010.45156.75 

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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