Individual Calculations August 2013
 Vela, Amrafel  Total change: 4.05  Rating chartPersonal card
 III IRT Santísimo Nombre de Jesus 2013 Lima PER 2013-06-28
RcRownchangeKK*chgGame
 1683 1713 3.50 6 0.27 15 4.05 
  Ramirez, Andres (peru) 1476 PER1.0010.20153.00 
  Perez, Christopher 1821 PER0.5010.15152.25 
  Angeles Mercado, Anthony R 1950 PER0.001-0.2015-3.00 
  Chomon Ruiz Figueroa, Dani 1667 PER1.0010.44156.60 
  Orosco, Albert 1533 PER0.001-0.7415-11.10 
  Strohmeier, Luis 1653 PER1.0010.42156.30 

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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