Individual Calculations July 2009
 De Arco, Luis Carlos  Total change: 7.05  Rating chartPersonal card
 IRT Juan Mila Inmemorian ABS Bogota COL 2009-04-08
RcRownchangeKK*chgGame
 2114 2207 3.50 5 0.47 15 7.05 
  Sierra, Juan Mauricio 1874 COL1.0010.12151.80 
  Guerrero, Hernando 1993 COL1.0010.23153.45 
  Soste, Victor 2059 COL1.0010.30154.50 
  Carvajal, Nolberto 2330 COL0.5010.17152.55 
  Acosta, Alejandro m2315 COL0.001-0.3515-5.25 

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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