Individual Calculations May 2010
 Grant, Alan G  Total change: -14.55  Rating chartPersonal card
 Edinburgh Congress Premier Edinburgh SCO 2010-04-02
RcRownchangeKK*chgGame
 1985 2229 3.00 5 -0.97 15 -14.55 
  Ferry, Edward 2000 SCO0.501-0.2915-4.35 
  Fowler, David 1836 SCO1.0010.08151.20 
  Hogg, Stephen W 2015 SCO1.0010.23153.45 
  Oswald, David C 1972 SCO0.501-0.3215-4.80 
  Neave, George 2103 SCO0.001-0.6715-10.05 

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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