Individual Calculations January 2011
 Herrera, Wilene  Total change: -4.95  Rating chartPersonal card
 JAVH McGregor de Ajedrez ITT Bogota COL 2010-12-03
RcRownchangeKK*chgGame
 1988 1713 0.00 2 -0.33 15 -4.95 
  Corredor, Fabian 1984 COL0.001-0.1715-2.55 
  Aponte, Juan Camilo 1992 COL0.001-0.1615-2.40 

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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