Individual Calculations July 2009
 Charles, Gerald  Total change: 14.10  Rating chartPersonal card
 14eOpen d'Herlies Herlies FRA 2009-04-18
RcRownchangeKK*chgGame
 2002 1913 2.50 4 0.94 15 14.10 
  Renard, Stephane 1960 FRA1.0010.57158.55 
  Urbaniak, Patrick 1962 FRA1.0010.57158.55 
  Demuys, Maxime 1886 FRA0.501-0.0415-0.60 
  Platel, Alexandre 2198 FRA0.001-0.1615-2.40 

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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