Individual Calculations July 2010
 Castro, Jairo Antonio  Total change: 9.45  Rating chartPersonal card
 Festival Escolar Sub13 Absoluto 2010 Yumbo COL 2010-04-27
RcRownchangeKK*chgGame
 1993 1962 2.00 3 0.63 15 9.45 
  Rodriguez, German Enrique 2057 COL1.0010.63159.45 
  Quinonez Garcia, Santiago 1940 COL0.001-0.5315-7.95 
  Diaz Herrera, Leider Andres 1981 COL1.0010.53157.95 

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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