Individual Calculations January 2014
 Needham, Brian  Total change: 7.35  Rating chartPersonal card
 Liga Premier San Jose CRC 2013-11-28
RcRownchangeKK*chgGame
 2075 1998 3.00 6 0.49 15 7.35 
  Castillo Trujillo, Ivan 2035 CRC0.5010.05150.75 
  Montoya Aguilar, Cristian 1933 CRC0.001-0.5915-8.85 
  Rodriguez Rodriguez, Adrian 2154 CRC1.0010.711510.65 
  Flores Rojas, Federico 1929 CRC1.0010.40156.00 
  Toro Soto, Anthony Roy 1998 CRC0.5010.00150.00 
  Gonzalez Acosta, Bernal m2398  * CRC0.001-0.0815-1.20 
 * 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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