Individual Calculations November 2009
 Barnett, Alexander  Total change: 11.85  Rating chartPersonal card
 49th Maryland Open Rockville, Maryland USA 2009-10-02
RcRownchangeKK*chgGame
 2141 2225 2.00 2 0.79 15 11.85 
  Schoch, Ian David 2013 USA1.0010.23153.45 
  Kaufman, Raymond m2269 USA1.0010.56158.40 

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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