Individual Calculations September 2011
 De Abreu, Orlando  Total change: -11.55  Rating chartPersonal card
 Championnat Interne 2011 d'Annemasse ANNEMASSE FRA 2011-06-25
RcRownchangeKK*chgGame
 1818 2032 1.50 3 -0.77 15 -11.55 
  Nyffenegger, Pascal 1805 FRA0.001-0.7915-11.85 
  Radoman, Nicolas 1968 FRA0.501-0.0915-1.35 
  Racs, Olivier 1680 FRA1.0010.11151.65 

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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