Individual Calculations November 2009
 Hiltunen, James  Total change: 13.00  Rating chartPersonal card
 131st Annual NY State Championship Albany, New York USA 2009-09-04
RcRownchangeKK*chgGame
 2157 1953 1.00 2 0.52 25 13.00 
  Barsky, Sam 2091 USA1.0010.692517.25 
  Williams, Chris 2223 USA0.001-0.1725-4.25 

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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