Individual Calculations December 2018
 Sierra Fonseca, Edwin Andres  Total change: 9.40  Rating chartPersonal card
 Subzonal 2.3.4 Colombia Absoluto 2018 Camp Nacional Ajedrez Mayores Absoluto 2018 Bogota COL 2018-11-06
 2032 2171 6.50 9 0.47 20 9.40 
  Aldana, Omar 1802 COL1.0010.10202.00 
  Valencia Gantiva, Cristian 1962 COL0.501-0.2720-5.40 
  Casas, Julio Eduardo 1903 COL1.0010.17203.40 
  Dominguez Rincon, Miller f2051 COL1.0010.34206.80 
  Contreras, Henry f2204 COL0.001-0.4520-9.00 
  Prado, Leonardo f2042 COL0.501-0.1720-3.40 
  Gomez Barrero, Sergio f2028 COL1.0010.31206.20 
  Pai, Juan David 2023 COL1.0010.30206.00 
  Garavito, Miguel Angel f2276 COL0.5010.14202.80 

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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