Individual Calculations August 2013
 Sommeria, Christian  Total change: 8.85  Rating chartPersonal card
 XXXIIIe Open International de Gorges GORGES FRA 2013-07-07
RcRownchangeKK*chgGame
 1610 1599 3.00 5 0.59 15 8.85 
  Mercier, Jean-Loup 1788 FRA0.001-0.2515-3.75 
  Nicolas, Pierre 1753 FRA0.001-0.2915-4.35 
  Roblin, Alain 1397 FRA1.0010.24153.60 
  Blacher, Laurent 1695 FRA1.0010.63159.45 
  Kollar, Romain 1417 FRA1.0010.26153.90 

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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