Individual Calculations September 2017
 Gelfert, Yann  Total change: -44.20  Rating chartPersonal card
 14e Open international de Plancoet PLANCOET FRA 2017-07-30
RcRownchangeKK*chgGame
 1802 1866 2.50 8 -2.21 20 -44.20 
  Chitrit, Norbert 1723 FRA0.501-0.1920-3.80 
  Verat-Fayolle, Celian 1678 FRA0.001-0.7420-14.80 
  Iolis, Oleg 2118 BEL0.001-0.1920-3.80 
  Gueuning, Martin 1941 BEL1.0010.602012.00 
  Duvallon, Christophe 1725 FRA0.501-0.1920-3.80 
  Guyon Le Bouffy, Joseph 1777 FRA0.001-0.6220-12.40 
  Corbel, Mael 1740 FRA0.501-0.1720-3.40 
  Dartige, Thomas 1712 FRA0.001-0.7120-14.20 

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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