Individual Calculations January 2015
 Tobar, Jorge  Total change: -13.60  Rating chartPersonal card
 Open San Salvador 2014 San Salvador ESA 2014-12-05
RcRownchangeKK*chgGame
 1904 1976 4.00 8 -0.68 20 -13.60 
  Quinonez Centeno, Carlos David f2282 GUA0.001-0.1420-2.80 
  Navarrete, Guillermo 1693 ESA1.0010.16203.20 
  Lorenzana, Wilson Estuardo m2207 GUA0.001-0.2120-4.20 
  Zavala Galindo, Alejandra Beatri 1742 ESA1.0010.21204.20 
  Chavez, Ricardo Ernesto f2199 ESA0.001-0.2220-4.40 
  Pinto, Alejandro 1742 ESA0.001-0.7920-15.80 
  De Leon, Stephanie wc1634 ESA1.0010.12202.40 
  Valencia, Oscar 1729 ESA1.0010.19203.80 

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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