Individual Calculations August 2014
 Aitchison, A Keith  Total change: -89.10  Rating chartPersonal card
 Commonwealth Championship Glasgow, Scotland SCO 2014-06-30
RcRownchangeKK*chgGame
 1787 1926 2.50 8 -2.97 30 -89.10 
  Gupta, Abhijeet g2326  * IND0.001-0.0830-2.40 
  Milton, Carl 1722 SCO0.501-0.2630-7.80 
  Calderon, Paul 1753 USA0.001-0.7330-21.90 
  Scott, Ian 1677 HKG0.501-0.3130-9.30 
  Tshabalala, Ernest 1777 RSA0.501-0.2030-6.00 
  Bernstein, Olivia wc1654 RSA0.501-0.3330-9.90 
  Macgilchrist, Siegrun 1781 SCO0.001-0.6930-20.70 
  Dishan, Barua 1606 IND0.501-0.3730-11.10 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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