Individual Calculations May 2023
 Peraza Contreras, Alejandra Aide  Total change: 31.20  Rating chartPersonal card
 LXVIII Campeonato Nacional e Internacional Abierto Mexicano de Ajedrez Complejo Cultural Los Pinos 2023 Femenil Ciudad de Mexico MEX 2023-04-05
RcRownchangeKK*chgGame
 1684 1338 1.50 6 0.78 40 31.20 
  Avila Bautista, Teresa Ale wc1825 MEX0.001-0.0440-1.60 
  Diaz Osorio, Ana Carolina 1687 MEX0.001-0.1140-4.40 
  Cabrera Cruz, Brenda Elisa 1714 MEX0.001-0.0940-3.60 
  Sanchez Lopez, Keren wc1592 MEX1.0010.814032.40 
  Garcia Ortega, Natalia Belen 1615 MEX0.5010.334013.20 
  Martha Lucero, Nayeli Aime 1670 MEX0.001-0.1240-4.80 

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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