Individual Calculations May 2020
 Garcia, John Fredy  Total change: -33.20  Rating chartPersonal card
 Campeonato Nacional Amateur 2020 Categoria Sub2000 Paipa COL 2020-02-26
RcRownchangeKK*chgGame
 1807 1823 2.00 7 -1.66 20 -33.20 
  Ossa, Vladimir 1999 COL0.001-0.2720-5.40 
  Penas Burgos, Nestor 1675 COL0.001-0.7020-14.00 
  Celis Vargas, Walter Enrique 1672 COL1.0010.30206.00 
  Conti, Julian 1946 COL0.001-0.3320-6.60 
  Rodriguez, Hector Manuel 1927 COL0.001-0.3620-7.20 
  Paez, Adolfo 1724 COL1.0010.36207.20 
  Rativa Jimenez, Laura Milena 1708 COL0.001-0.6620-13.20 

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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