Individual Calculations May 2011
 Aybar Portes, Omaira  Total change: -9.75  Rating chartPersonal card
 Campeonato Nacional Femenino 2011 Santo Domingo, Distrito Nacional DOM 2011-02-18
 1894 1830 1.00 4 -0.65 15 -9.75 
  Jose Polanco, Kenia wc1971 DOM0.001-0.3115-4.65 
  Adames Rojas, Ariella 1863 DOM1.0010.55158.25 
  Hazim, Elizabeth wc1824 DOM0.001-0.5115-7.65 
  Munoz, Doribel wc1919 DOM0.001-0.3815-5.70 

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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