Individual Calculations February 2013
 Sierra, Edwin Andres  Total change: 12.60  Rating chartPersonal card
 IRT Internacional de Ajedrez Feria de Duitama Alcaldia "Mas unidos, mas Humanos" Duitama COL 2013-01-03
RcRownchangeKK*chgGame
 1979 2147 5.00 6 0.84 15 12.60 
  Sandoval, Yanneth Katherin 1747  * COL1.0010.08151.20 
  Giron, Yorman Omar 1838 COL1.0010.14152.10 
  Abril, Mauricio 1989 COL1.0010.29154.35 
  Prado, Leonardo 1968 COL0.501-0.2315-3.45 
  Becerra, Juan David f2225 COL1.0010.61159.15 
  Otalora, Carlos Eduardo 2109 COL0.501-0.0515-0.75 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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