Individual Calculations September 2009
 McDonnell, James J.  Total change: -8.85  Rating chartPersonal card
 British Championships Torquay ENG 2009-07-27
RcRownchangeKK*chgGame
 2091 2023 3.50 10 -0.59 15 -8.85 
  Raoof, Adam N 2144 ENG0.001-0.3415-5.10 
  Bonafont, Philip R 2124 ENG0.001-0.3615-5.40 
  Hegarty, Sarah N 2098 ENG0.001-0.4015-6.00 
  Jones, Victor G L 2076 ENG0.001-0.4315-6.45 
  Taylor, Geoffrey P 2003 ENG1.0010.47157.05 
  Green, Andrew D 2203 SCO0.001-0.2615-3.90 
  Garnett, John S 2059 ENG0.5010.05150.75 
  Littlewood, John E f2188 ENG0.001-0.2815-4.20 
  Tunks, Dominic 2083 ENG1.0010.58158.70 
  Dines, Sheila J 1936 ENG1.0010.38155.70 

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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