Individual Calculations September 2011
 Igor Tokuichi, Kikuchi Cadilhac  Total change: -19.50  Rating chartPersonal card
 XXII Torneo Panamericano de Ajedrez de la Juventud 2011 U-12 Absoluto Cali COL 2011-07-02
RcRownchangeKK*chgGame
 1691 1720 1.50 4 -0.65 30 -19.50 
  Cori Quispe, Kevin 1986 PER0.001-0.1830-5.40 
  Bernuy, Carlos 1577 PER1.0010.31309.30 
  Oliveira, Tiago Lopes 1753 BRA0.5010.05301.50 
  Escobar, Lauro 1447 ECU0.001-0.8330-24.90 

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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