Individual Calculations September 2011
 Oliveira, Tiago Lopes  Total change: 11.55  Rating chartPersonal card
 XXII Torneo Panamericano de Ajedrez de la Juventud 2011 U-12 Absoluto Cali COL 2011-07-02
RcRownchangeKK*chgGame
 1788 1753 3.00 5 0.77 15 11.55 
  Vildoso Ccama, Rodrigo 1419 PER1.0010.12151.80 
  Zapata Arbelaez, Estiven 1965 COL0.001-0.2315-3.45 
  Quinonez Garcia, Santiago 1948 COL0.5010.25153.75 
  Igor Tokuichi, Kikuchi Cadilhac 1720 BRA0.501-0.0515-0.75 
  Poon, Yu Tien 1890 BAR1.0010.681510.20 

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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