Individual Calculations January 2011
 Prado Segura, Robinson Alexander  Total change: -10.25  Rating chartPersonal card
 JAVH McGregor de Ajedrez ITT Bogota COL 2010-12-03
RcRownchangeKK*chgGame
 2125 1814 0.00 3 -0.41 25 -10.25 
  Silva, Enmanuel 2118 COL0.001-0.1425-3.50 
  Cifuentes, John Jairo c2130 COL0.001-0.1325-3.25 
  Valle, Leiner Efrain 2127 COL0.001-0.1425-3.50 

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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