Individual Calculations January 2013
 Pacheco, Julio  Total change: 14.10  Rating chartPersonal card
 Centroamericano Por Equipos Panama PAN 2012-11-21
RcRownchangeKK*chgGame
 2152 1982 1.50 2 0.94 15 14.10 
  Velasquez, Hector f2186 HON1.0010.761511.40 
  Aizpurua, Patrick c2118 PAN0.5010.18152.70 

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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