Individual Calculations March 2013
 Ider, Borya  Total change: 5.40  Rating chartPersonal card
 Team 2013 - Nationale 1 - R8-9 FRANCE FRA 2013-02-09
RcRownchangeKK*chgGame
 2208 2384 2.00 2 0.54 10 5.40 
  Vallet, Marc 2174 FRA1.0010.23102.30 
  Andrieux, Pascal 2242 FRA1.0010.31103.10 

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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