Individual Calculations December 2012
 Arraga, Gerardo  Total change: 6.15  Rating chartPersonal card
 II Abierto Internacional Marcel Duchamp 2012 Buenos Aires ARG 2012-10-22
RcRownchangeKK*chgGame
 2007 1953 3.00 6 0.41 15 6.15 
  Malbran, Guillermo m2199 ARG1.0010.811512.15 
  Barrionuevo, Pablo m2271 ARG0.001-0.1315-1.95 
  Cheb Terrab, Alejandro 2087 ARG0.001-0.3215-4.80 
  Sotelo, Noe 1759 ARG0.001-0.7515-11.25 
  Berardo, Tomas 1676 ARG1.0010.17152.55 
  Nejanky, Maisa 2050 ARG1.0010.63159.45 

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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