Individual Calculations May 2013
 Pyrich, George D  Total change: -15.75  Rating chartPersonal card
 Edinburgh Premier 2013 Edinburgh SCO 2013-04-12
RcRownchangeKK*chgGame
 1838 1983 1.00 3 -1.05 15 -15.75 
  Abdulla, Murad 1814 SCO0.001-0.7215-10.80 
  Macrae, James S 1733 SCO1.0010.19152.85 
  Marks, Ian A 1967 SCO0.001-0.5215-7.80 

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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