Individual Calculations September 2010
 Field, Frederick W  Total change: -38.25  Rating chartPersonal card
 50th Annual Pacific Southwest Open Los Angeles, California USA 2010-07-03
RcRownchangeKK*chgGame
 1984 1990 0.00 3 -1.53 25 -38.25 
  Akopian, Robert 2108 USA0.001-0.3425-8.50 
  Sobel, Simone 1942 USA0.001-0.5725-14.25 
  Bolm, Carl E 1901 USA0.001-0.6225-15.50 

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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