Individual Calculations March 2011
 Ventura, Christopher  Total change: 9.25  Rating chartPersonal card
 50th Baltimore Open Timonium, Maryland USA 2011-02-04
RcRownchangeKK*chgGame
 2070 1920 1.00 2 0.37 25 9.25 
  Shapiro, Jon 1950 USA0.5010.04251.00 
  Kruml, Joseph 2190 USA0.5010.33258.25 

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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