Individual Calculations January 2009
 Kis, Lorand Bela  Total change: -0.60  Rating chartPersonal card
 13th Annual Northern Virginia Open Sterling, Virginia USA 2008-11-15
RcRownchangeKK*chgGame
 2167 2182 1.00 2 -0.04 15 -0.60 
  Guo, Gill Y 2116 USA1.0010.41156.15 
  Fernandez, Alejandro 2218 MEX0.001-0.4515-6.75 

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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