Individual Calculations September 2018
 Contreras Ahumada, Juan Jose  Total change: -44.80  Rating chartPersonal card
 XXIX Festival Panamericano de la Juventud U-12 Abs Santiago CHI 2018-07-22
RcRownchangeKK*chgGame
 1309 1313 1.50 5 -1.12 40 -44.80 
  Severich, Axl c1672 BOL0.001-0.1040-4.00 
  Del Mar Priale, Rafael 1055 PER0.501-0.3240-12.80 
  Jaramillo Lopez, Ali Aaron 1680 VEN0.001-0.1040-4.00 
  Pontigo Pritzke, Diego Ignacio 1024 CHI1.0010.16406.40 
  Cornejo Marambio, Joaquin 1113 CHI0.001-0.7640-30.40 

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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