Individual Calculations May 2010
 Thomas, Phil  Total change: 21.25  Rating chartPersonal card
 Scottish National League Dunfermline SCO 2009-10-25
RcRownchangeKK*chgGame
 2014 1790 1.50 3 0.85 25 21.25 
  Hogg, Stephen W 2003 SCO0.001-0.2325-5.75 
  Pyrich, George D 2030 SCO0.5010.30257.50 
  Giulian, Rosie A 2009 SCO1.0010.782519.50 

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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