Individual Calculations September 2023
 Pedraza Aldana, Alexandra  Total change: 33.60  Rating chartPersonal card
 XXX IRT Aficionados Feria de Las Flores Medellin 30 Anios Medellin COL 2023-08-03
RcRownchangeKK*chgGame
 1689 1203 2.00 7 1.68 20 33.60 
  Bohorquez Gutierrez, Daniel 1785 COL0.001-0.0220-0.40 
  Lopez, Juan E 1661 COL1.0010.952019.00 
  Mesa, Francisco Alonso Jr. 1725 COL0.001-0.0320-0.60 
  Cotes, Donato 1645 COL0.001-0.0620-1.20 
  Gallego Carvajal, Miguel Angel 1696 COL0.001-0.0420-0.80 
  Ramirez Arias, Jacobo 1599 COL0.001-0.0820-1.60 
  Acosta Nunez, Miguel 1709 COL1.0010.962019.20 

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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