Individual Calculations January 2016
 Romero, Armando Gaitan  Total change: -42.00  Rating chartPersonal card
 Segundo Open San Salvador 2015 San Salvador ESA 2015-12-05
RcRownchangeKK*chgGame
 1795 1656 0.00 3 -1.05 40 -42.00 
  Ariza, Luis 1440 ESA0.001-0.7840-31.20 
  Sanchez, Ingrid wf2019 ESA0.001-0.1040-4.00 
  Navarrete, Guillermo 1926 ESA0.001-0.1740-6.80 

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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