Individual Calculations January 2021
 Zapata Cuartas, Juan Carlos  Total change: 2.40  Rating chartPersonal card
 IRT Medellin Ciudad de Luces 2020 Medellin COL 2020-12-12
RcRownchangeKK*chgGame
 1822 2073 4.00 5 0.12 20 2.40 
  Narvaez Berrio, Alexander 1673  * COL1.0010.08201.60 
  Gomez Rondon, Samuel 1710 COL1.0010.10202.00 
  Giraldo Bohorquez, Lucas 1693 COL1.0010.09201.80 
  Ospina, Santiago 1945 COL1.0010.33206.60 
  Soto, Cristian Camilo f2087 COL0.001-0.4820-9.60 
 * 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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