Individual Calculations September 2009
 Formanek, Edward W  Total change: -6.70  Rating chartPersonal card
 14th Annual Pacific Coast Open Agoura Hills, California USA 2009-07-16
 2136 2260 2.00 4 -0.67 10 -6.70 
  Liou, Yian 2134 USA0.001-0.6710-6.70 
  Kudryavtsev, Vadim 2147 RUS1.0010.35103.50 
  Yee, Michael A 2079 USA0.501-0.2410-2.40 
  Tanaka, Christian T 2183 USA0.501-0.1110-1.10 

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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