Individual Calculations September 2022
 Arrieta, Cristian  Total change: -86.00  Rating chartPersonal card
 IRT Internacional Feria de las Flores Medellin 2022 Medellin COL 2022-08-03
RcRownchangeKK*chgGame
 1569 2168 3.50 8 -4.30 20 -86.00 
  Ospina Betancur, Santiago 1667 COL0.001-0.9620-19.20 
  Lopez Guarin, Simon 1555 COL0.501-0.4820-9.60 
  Gallon Ramirez, Tomas 1408 COL0.501-0.5020-10.00 
  Cabrera Novoa, Roxana 1768  * COL1.0010.08201.60 
  Urquijo Prada, Santiago 1588 COL0.501-0.4820-9.60 
  Lujan Gil, Mateo 1584 COL0.001-0.9820-19.60 
  Lopez, Ricardo Andres 1489 COL0.501-0.4920-9.80 
  Moreno Hernandez, Andres Mauricio 1493 COL0.501-0.4920-9.80 
 * 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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