Individual Calculations April 2008
 West, James R  Total change: 5.70  Rating chartPersonal card
 New York February Open New York, New York USA 2008-02-09
RcRownchangeKK*chgGame
 2128 2213 1.00 1 0.38 15 5.70 
  Berg, George 2128 USA1.0010.38155.70 

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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