Individual Calculations September 2009
 Theil, Carey M  Total change: 10.75  Rating chartPersonal card
 39th Annual Continental Open Sturbridge, Massachusetts USA 2009-08-13
RcRownchangeKK*chgGame
 2299 2199 2.00 4 0.43 25 10.75 
  Kelleher, William f2364 USA1.0010.722518.00 
  Ibragimov, Ildar g2583 USA0.001-0.0925-2.25 
  Rosenberg, Evan S 2140 USA0.001-0.5825-14.50 
  Perez Billinghurst, Ricardo 2109 USA1.0010.38259.50 

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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