Individual Calculations July 2008
 Vigneron, Frederic  Total change: -12.45  Rating chartPersonal card
 11ème open de Louviers Louviers FRA 2008-05-08
RcRownchangeKK*chgGame
 1876 1997 0.50 2 -0.83 15 -12.45 
  Josse, Sebastien 1849 FRA0.001-0.7015-10.50 
  Ernouf, Anthony 1903 FRA0.501-0.1315-1.95 

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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