Individual Calculations July 2012
 Alfaro Guillen, Jose Raul  Total change: -11.85  Rating chartPersonal card
 Torneo Clasificatorio Primera Division 2012 San Jose CRC 2012-05-19
RcRownchangeKK*chgGame
 2041 2003 1.00 4 -0.79 15 -11.85 
  Machado Ramirez, Allan 2042 CRC0.001-0.4515-6.75 
  Solano Cuya, Bryan 2030 CRC0.001-0.4615-6.90 
  Vaglio, Emanuel 2042 CRC0.001-0.4515-6.75 
  Vega Araya, Edwin 2050 CRC1.0010.57158.55 

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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