Individual Calculations July 2009
 Hough, Randall D  Total change: 1.65  Rating chartPersonal card
 2009 Lina Grumette Memorial Day Classic Los Angeles, California USA 2009-05-23
 2220 1990 1.00 4 0.11 15 1.65 
  Gutman, Joshua 2138 USA1.0010.701510.50 
  Peters, Jack m2340 USA0.001-0.1115-1.65 
  Landaw, Julian W 2286 USA0.001-0.1515-2.25 
  Akopian, Robert 2117 USA0.001-0.3315-4.95 

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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