Individual Calculations April 2009
 Estrada San Martin, Erika  Total change: 9.30  Rating chartPersonal card
 Campeonato Nacional Semifinal Femenino Esmeraldas ECU 2009-02-11
RcRownchangeKK*chgGame
 1833 1709 3.00 7 0.62 15 9.30 
  Salazar Loor, Sara 1899 ECU0.5010.25153.75 
  Vega Cordovilla, Maria Jose 1828 ECU0.001-0.3415-5.10 
  Levy Ortiz, Mireya 1973 ECU0.001-0.1815-2.70 
  Prado Reyna, Candy 1889 ECU1.0010.741511.10 
  Herrera, Kerly 1693 ECU0.001-0.5215-7.80 
  Solis, Cristina 1746 ECU0.5010.05150.75 
  Prado Reyna, Geovanna 1800 ECU1.0010.62159.30 

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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