Individual Calculations May 2015
 Piedrahita, Danilo  Total change: 42.40  Rating chartPersonal card
 Torneo IRT Segunda Categoria Antioquia 2015 Medellin COL 2015-04-14
RcRownchangeKK*chgGame
 1925 1762 2.50 5 1.06 40 42.40 
  Morales, Luis Eduardo 1909 COL1.0010.704028.00 
  Martinez, Mauricio 1963 COL0.5010.264010.40 
  Ramirez Montoya, Jorge A 1823 COL1.0010.584023.20 
  Perdomo, Jefferson 1995 COL0.001-0.2140-8.40 
  Yepez , Yeison Alexander 1936 COL0.001-0.2740-10.80 

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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