Individual Calculations September 2022
 Pena, Alcides  Total change: -8.80  Rating chartPersonal card
 IRT Internacional Feria de las Flores Medellin 2022 Medellin COL 2022-08-03
RcRownchangeKK*chgGame
 1622 1575 4.00 9 -0.44 20 -8.80 
  Chirivi, Angie Lizeth wf2074 COL0.001-0.0420-0.80 
  Caballero, William 2125 COL0.001-0.0320-0.60 
  Rosales Espinel, Julio David 1283 COL0.501-0.3520-7.00 
  Cabrera Novoa, Roxana 1175  * COL0.001-0.9220-18.40 
  Arbelaez Gil, Omar Ignacio De Jes 1157 COL1.0010.07201.40 
  Salguero, Miguel Angel 1242 COL1.0010.12202.40 
  Betancur Giraldo, David Rogelio 2078 COL0.001-0.0420-0.80 
  Gonzalez Bolivar, Juan Jose 1437 COL1.0010.31206.20 
  Mogollon Tobar, Nicolle Julieth wc2025 COL0.5010.44208.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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