Individual Calculations March 2013
 Fathallah, Joe  Total change: 10.95  Rating chartPersonal card
 South Wales all play all Section B Cardiff WLS 2013-02-08
RcRownchangeKK*chgGame
 1891 1976 5.00 7 0.73 15 10.95 
  Taylor, Robert Graham 1973 WLS1.0010.50157.50 
  Ehsandar, Peter 1885 WLS0.501-0.1215-1.80 
  Steele, Rhys 1810 WLS1.0010.28154.20 
  Evans, Nicholas Thomas 1727 WLS1.0010.19152.85 
  White, Ernest M 1907 ENG0.001-0.6015-9.00 
  Harley-Yeo, Gareth 1980 WLS0.5010.01150.15 
  Davis, Lee 1953 WLS1.0010.47157.05 

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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