Individual Calculations April 2013
 Barthel, Michel  Total change: 18.15  Rating chartPersonal card
 20e Open International de Selestat - Open B (1400-1799) SELESTAT FRA 2013-02-28
RcRownchangeKK*chgGame
 1615 1583 3.50 5 1.21 15 18.15 
  Gauthier, Laurent 1661 FRA0.5010.11151.65 
  Ferrer, Lauriane 1635 FRA1.0010.57158.55 
  Abbassi, Zeyneb 1575 FRA1.0010.49157.35 
  Koch, Benjamin 1423 FRA0.501-0.2115-3.15 
  Petitcolas, Bernard 1779 FRA0.5010.25153.75 

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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