Individual Calculations April 2009
 Vega-Ritter, Isabelle  Total change: -20.70  Rating chartPersonal card
 107e open international Club 608 Paris FRA 2009-02-14
RcRownchangeKK*chgGame
 1605 1480 1.00 7 -1.38 15 -20.70 
  Gachet, Michel 1634 FRA0.001-0.2915-4.35 
  Pommier, Eugene 1555 FRA0.001-0.4015-6.00 
  Chargros, Michel 1507 FRA0.001-0.4615-6.90 
  Cordier, Daniel 1460 FRA1.0010.47157.05 
  Atamian, Claude 1694 FRA0.001-0.2315-3.45 
  Aliphat, Pierre 1612 FRA0.001-0.3215-4.80 
  Colombeau, Gregory 1776 FRA0.001-0.1515-2.25 

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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