Individual Calculations January 2012
 Contreras Medina, Ruben Da  Total change: 4.95  Rating chartPersonal card
 EN LA CIMA DE FORTIN CORDOBA, VERACRUZ MEX 2011-10-28
RcRownchangeKK*chgGame
 2241 2159 2.00 4 0.33 15 4.95 
  Gonzalez Zamora, Juan Carl g2544 MEX0.001-0.0915-1.35 
  Aleman Hernandez, Andres 2117 MEX0.501-0.0615-0.90 
  Lazzeri Menendez, Santos G 2097 MEX1.0010.41156.15 
  Vigoa Apecheche, Yanira wg2206 CUB0.5010.07151.05 

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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