Individual Calculations July 2012
 Salas Perez, Selene  Total change: 0.00  Rating chartPersonal card
 North America Youth Chess Championships U-18 MEXICO DF MEX 2012-05-31
RcRownchangeRpKK*chgGame
 1917 0 1.00 5 0.00 1677   0.00 
  Real Pereyra, Diana Carime wf2025 MEX0.0010.00 0.00 
  Ayala Pena, Eduardo Azael c2201 MEX0.0010.00 0.00 
  Ramirez Marin, Ivan 1882 MEX0.0010.00 0.00 
  Ramirez Tapia, Jonathan Ed 1741 MEX1.0010.00 0.00 
  Aguilar Austria, Ruben 1734 MEX0.0010.00 0.00 

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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