Individual Calculations October 2015
 Hewitt, William  Total change: -1.20  Rating chartPersonal card
 South Wales Summer Congress 2015 Newport WLS 2015-08-28
RcRownchangeKK*chgGame
 1909 2055 4.00 6 -0.06 20 -1.20 
  Wagner, Guy 1812 WLS1.0010.20204.00 
  Thomas, Roy 1734 WLS1.0010.13202.60 
  Davis, Lee 2003 WLS0.501-0.0720-1.40 
  French, Max 1816 ENG1.0010.20204.00 
  Kett, Tim 2205 WLS0.001-0.3020-6.00 
  Evans, Nicholas Thomas 1885 WLS0.501-0.2220-4.40 

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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