Individual Calculations July 2012
 Obregon, Victor  Total change: 3.90  Rating chartPersonal card
 IRT General Jacinto Lara Barquisimeto VEN 2012-05-24
RcRownchangeKK*chgGame
 2164 2147 2.50 5 0.13 30 3.90 
  Rojas, Barrero Andres Humberto 2216 COL0.5010.10303.00 
  Ruiz, Alciguel f2197 COL1.0010.573017.10 
  Acosta, Lorner 2146 VEN0.5010.00300.00 
  Ruiz Aguilar Pablo, Alexander f2299 COL0.001-0.3030-9.00 
  Herrera, Sosa Jessica wf1963 VEN0.501-0.2430-7.20 

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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