Individual Calculations January 2021
 Cordoba Roa, Angel Gabriel  Total change: 10.00  Rating chartPersonal card
 IRT Medellin Ciudad de Luces 2020 Medellin COL 2020-12-12
RcRownchangeKK*chgGame
 1702 1892 4.50 6 0.25 40 10.00 
  Ortiz Lopera, Miguel Angel 1492  * COL1.0010.08403.20 
  Suaza Builes, Oscar A 1492  * COL1.0010.08403.20 
  Perea Erazo, Janyert Julian 1595 COL1.0010.15406.00 
  Ossa, Vladimir 2029 COL0.5010.18407.20 
  Zabala, Fidel 1909 COL0.5010.02400.80 
  Giraldo Bohorquez, Lucas 1693 COL0.501-0.2640-10.40 
 * 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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