Individual Calculations July 2017
 Kreydlin, David  Total change: 6.40  Rating chartPersonal card
 6e Fide de l'Echiquier de Paris - 1600 PARIS FRA 2017-06-03
RcRownchangeKK*chgGame
 1288 1414 3.50 5 0.16 40 6.40 
  Montaigne, Antoine 1322 FRA0.001-0.6340-25.20 
  Zayati, Atef 1181 FRA1.0010.21408.40 
  Steff, Thierry 1359 FRA0.501-0.0840-3.20 
  De Gregoris, Patrizio 1262 FRA1.0010.304012.00 
  Bousmaha, Leila 1315 FRA1.0010.364014.40 

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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