Individual Calculations July 2012
 Colbert, Jeff  Total change: 0.00  Rating chartPersonal card
 31st NAO FIDE Open Stillwater, Oklahoma USA 2012-05-26
RcRownchangeRpKK*chgGame
 1891 0 3.00 6 0.00 1891   0.00 
  Fritze, Skip 1726 USA1.0010.00 0.00 
  Dutiel, Tony 1895 USA0.5010.00 0.00 
  Wharry, Steve 2009 USA0.0010.00 0.00 
  Jiang, Bryan 1693 USA1.0010.00 0.00 
  Simo, Judit wc2011 HUN0.5010.00 0.00 
  Berry, Jim 2010 USA0.0010.00 0.00 

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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