Individual Calculations April 2009
 Joret, Philippe  Total change: -16.80  Rating chartPersonal card
 107e open international Club 608 Paris FRA 2009-02-14
RcRownchangeKK*chgGame
 1827 1842 2.00 6 -1.12 15 -16.80 
  Andrieu, Philippe 1946 FRA0.5010.14152.10 
  Bourbon, Bernard 1927 FRA0.001-0.3815-5.70 
  Feldis, Pierre-Yves 1781 FRA0.501-0.0815-1.20 
  Mohammad Ghassemi, Vajieollah 1727 FRA0.001-0.6615-9.90 
  Iasman, Inna 1901 RUS0.001-0.4215-6.30 
  Abbey, Anate 1678 FRA1.0010.28154.20 

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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