Individual Calculations July 2009
 Adel Lahchaichi, Oussama  Total change: -19.05  Rating chartPersonal card
 XI Open Internacional d'Escacs Vila de Salou Salou (Tarragona) ESP 2009-05-05
RcRownchangeKK*chgGame
 2126 2298 5.00 9 -1.27 15 -19.05 
  Rodriguez Fenoy, Inmaculada 1948 ESP1.0010.11151.65 
  Khamrakulov, Ibragim S. g2552 ESP0.001-0.1915-2.85 
  Gonzalez Freixas, Alberto 2146 ESP0.001-0.7015-10.50 
  Rodriguez Marin, Jose 1948 ESP1.0010.11151.65 
  Aranzana Areste, Alberto 2026 ESP1.0010.17152.55 
  Libiszewski, Fabien g2505 FRA0.001-0.2315-3.45 
  Pujol Codinach, Eduard 2049 ESP0.001-0.8115-12.15 
  Ruprich, Udo 2016 GER1.0010.16152.40 
  Ferreira, Antonio Viriato 1948 POR1.0010.11151.65 

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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