Individual Calculations September 2009
 Acosta Perez, Juan Manuel  Total change: -7.20  Rating chartPersonal card
 Torneo de la Patrona 2009 La Palma ESP 2009-06-11
RcRownchangeKK*chgGame
 1775 1567 0.00 2 -0.48 15 -7.20 
  Garcia Jorge, Jose Luis 1844 ESP0.001-0.1715-2.55 
  Gomez Daza, Luis Jose 1705 ESP0.001-0.3115-4.65 

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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