Individual Calculations April 2009
 Aguilar, Natalia Andrea  Total change: 13.20  Rating chartPersonal card
 Nacional Sub18 Femenino Bogota COL 2008-12-18
RcRownchangeKK*chgGame
 2024 1916 3.00 6 0.88 15 13.20 
  Rojas Castillo, Andrea Lizeth 2042 COL1.0010.671510.05 
  Panesso, Lina wc1980 COL0.5010.09151.35 
  Ramirez, Heimy Polgar 2027 COL0.5010.15152.25 
  Orozco, Lina Yomayra 2097 COL1.0010.741511.10 
  Salazar, Aura Cristina wf2016 COL0.001-0.3615-5.40 
  Santos, Natalia Andrea 1981 COL0.001-0.4115-6.15 

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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