Individual Calculations May 2012
 Concepcion Lopez, Juan Miguel  Total change: -16.20  Rating chartPersonal card
 Jose de Diego Open 2012 Aguadilla PUR 2012-04-13
RcRownchangeKK*chgGame
 1999 1912 1.00 4 -0.54 30 -16.20 
  Freyre, Jorge 2104 PUR0.001-0.2530-7.50 
  Allen Medina, Josue 1990 PUR0.5010.11303.30 
  Garcia Aguayo, Martin 1957 PUR0.001-0.4430-13.20 
  Montes Irrizarry, Luis R 1943 PUR0.5010.04301.20 

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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