Individual Calculations July 2009
 Wacrenier, Jerome  Total change: 12.25  Rating chartPersonal card
 14eOpen d'Herlies Herlies FRA 2009-04-18
RcRownchangeKK*chgGame
 1836 1562 1.00 3 0.49 25 12.25 
  Demuys, Maxime 1886 FRA0.001-0.1325-3.25 
  Drache, Daniel 1790 FRA1.0010.792519.75 
  Houssin, Vianney 1833 FRA0.001-0.1725-4.25 

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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