Individual Calculations July 2019
 Sierra Fonseca, Edwin Andres  Total change: -19.60  Rating chartPersonal card
 IX Torneo Nacional IRT Alcaldia de Gachantiva - Liga ajedrez de Boyaca Gachantiva COL 2019-06-21
 1999 2237 4.50 7 -0.98 20 -19.60 
  Franco Perez, William 1837  * COL1.0010.08201.60 
  Lopez Ramirez, David Santiago c1891 COL1.0010.11202.20 
  Mena, Yamil Octavio c1966 COL1.0010.17203.40 
  Garcia, Alvaro f2106 COL1.0010.32206.40 
  Otalora Pacheco, Carlos Eduardo f2183 COL0.001-0.5820-11.60 
  Arango, Santiago 2007 COL0.501-0.2920-5.80 
  Corredor Castellanos, Camilo f2002 COL0.001-0.7920-15.80 
 * 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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