Individual Calculations July 2010
 Rosen, Eric S  Total change: -2.55  Rating chartPersonal card
 19th Annual Chicago Open Wheeling, Illinois USA 2010-05-27
 2327 2182 1.50 5 -0.17 15 -2.55 
  Fernandez, Daniel m2425 USA1.0010.801512.00 
  Ehlvest, Jaan g2582  * USA0.001-0.0815-1.20 
  Boor, Carl B f2308 USA0.5010.17152.55 
  Sharma, Arun 2261 USA0.001-0.3915-5.85 
  Smarty, Sylvester 2057 USA0.001-0.6715-10.05 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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