Individual Calculations July 2009
 Sarralde Osua, Diego  Total change: -29.25  Rating chartPersonal card
 Campeonato Preferente de Bizkaia Bizkaia ESP 2009-01-10
RcRownchangeKK*chgGame
 1997 2181 4.00 7 -1.17 25 -29.25 
  Torres Garcia, Koldo 2001 ESP0.001-0.7425-18.50 
  Zubimendi Herranz, Julian 2020 ESP0.501-0.2125-5.25 
  Chamizo Vega, Ibon 2019 ESP1.0010.29257.25 
  Sierra Lopez, Ceferino 2040 ESP1.0010.31257.75 
  Sanz Rodero, Mikel 1962 ESP0.501-0.2825-7.00 
  Fernandez Ferrero, Alejandro 2006 ESP1.0010.27256.75 
  Cuero Reid, Maximo Javier 1930 ESP0.001-0.8125-20.25 

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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