Individual Calculations July 2010
 Portisch, Gabor  Total change: -11.85  Rating chartPersonal card
 HUN Team Ch. Charousek Hungary West HUN 2009-11-08
RcRownchangeKK*chgGame
 2237 2350 0.50 2 -0.79 15 -11.85 
  Porpaczy, Lajos 2120 HUN0.501-0.2915-4.35 
  Gjuran, Denis f2353 SLO0.001-0.5015-7.50 

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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