Individual Calculations March 2012
 Ortegon, Villacorte Daniela  Total change: -12.60  Rating chartPersonal card
 IRT Campeonato Nacional de Ajedrez Sub20 Femenino Bogota COL 2012-02-15
 1954 1799 1.00 6 -0.84 15 -12.60 
  Pachon, Adriana wf1985 COL0.001-0.2615-3.90 
  Castro, Natalia Patricia 1995 COL0.001-0.2515-3.75 
  Santos, Morales Natalia Andrea 2049 COL0.001-0.1915-2.85 
  Rodriguez, Sofia 1836 COL1.0010.55158.25 
  Maldonado, Barrera Lina Eulalia 1787 COL0.001-0.5215-7.80 
  Mercado, Luisa Fernanda wf2074 COL0.001-0.1715-2.55 

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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