Individual Calculations July 2010
 Rousselin, Marc  Total change: 13.50  Rating chartPersonal card
 13e open de Louviers Louviers FRA 2010-05-22
RcRownchangeKK*chgGame
 1831 1612 1.50 4 0.54 25 13.50 
  Veniat, Nicolas 1859 FRA1.0010.812520.25 
  Boursier, Xavier 2011 FRA0.001-0.0825-2.00 
  Plessis, Arnaud 1777 FRA0.5010.22255.50 
  Saint-Gilles, Damien 1678 FRA0.001-0.4125-10.25 

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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