Individual Calculations January 2009
 Attar, Rachid  Total change: -34.50  Rating chartPersonal card
 105e open international Club 608 Paris FRA 2008-10-25
RcRownchangeKK*chgGame
 1686 1663 2.00 7 -1.38 25 -34.50 
  Bourges, Jerome 2013 FRA0.001-0.1125-2.75 
  Truong, Hubert 1875 FRA0.001-0.2325-5.75 
  Pernet, Roger 1821 FRA0.001-0.2925-7.25 
  Emsalem, Marc 1550 FRA1.0010.35258.75 
  Sevilla, Francois 1525 FRA0.001-0.6925-17.25 
  Pommier, Eugene 1560 FRA0.001-0.6425-16.00 
  Vasilescu, Viorica 1456 FRA1.0010.23255.75 

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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