Individual Calculations September 2010
 Busson, Didier  Total change: -2.75  Rating chartPersonal card
 8e Open adultes St Lo FRA 2010-07-07
RcRownchangeKK*chgGame
 1817 1772 3.00 7 -0.11 25 -2.75 
  Brient, Yoann 1966 FRA0.001-0.2525-6.25 
  Viart, Bettina 1582 FRA1.0010.25256.25 
  Mirguet, Bernard 1666 FRA1.0010.36259.00 
  Georgescu, Gabriel-Ioan f2032 ROU0.5010.32258.00 
  Crahan, Alan 1868 FRA0.001-0.3725-9.25 
  Houdeyer, Hendricks 1930 FRA0.5010.21255.25 
  Bezy, Bernard 1677 FRA0.001-0.6325-15.75 

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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