Individual Calculations May 2013
 Ridge, Michael  Total change: -0.60  Rating chartPersonal card
 Edinburgh Premier 2013 Edinburgh SCO 2013-04-12
RcRownchangeKK*chgGame
 1915 1926 1.50 3 -0.02 30 -0.60 
  He, Ben 1704 SCO0.001-0.7830-23.40 
  Brechin, Hugh R 2013 SCO0.5010.12303.60 
  Schenning, Albert 2029 NED1.0010.643019.20 

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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