Individual Calculations September 2012
 Bath, John  Total change: -3.90  Rating chartPersonal card
 2012 Cleveland Open Cleveland, Ohio USA 2012-08-03
RcRownchangeKK*chgGame
 2231 2110 0.50 2 -0.26 15 -3.90 
  Smith, Bryan G m2451 USA0.001-0.1215-1.80 
  Opaska, Michael P 2010 USA0.501-0.1415-2.10 

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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