Individual Calculations March 2010
 Helfferich, Erik  Total change: 21.25  Rating chartPersonal card
 Criterium R3-4 IDF FRA 2010-01-10
RcRownchangeKK*chgGame
 1954 1807 1.50 2 0.89 25 22.25 
  Smati, Reda 1959 FRA0.5010.20255.00 
  Iasman, Inna 1949 FRA1.0010.692517.25 

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)
 
 26e open international de Cappelle Cappelle la Grande FRA 2010-02-13
RcRownchangeKK*chgGame
 1903 1807 1.50 4 -0.04 25 -1.00 
  Perez Reisler, Jose 2001 PUR0.001-0.2525-6.25 
  Platel, Ange 1527 FRA1.0010.16254.00 
  Manne, Jean-Luc 1934 BEL0.5010.17254.25 
  Agrech, Pierre 2151 FRA0.001-0.1225-3.00 

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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