Individual Calculations March 2010
 Rosen, Eric S  Total change: -9.15  Rating chartPersonal card
 MCA FIDE Futurity IX Chicago, Illinois USA 2009-12-05
 1924 2191 1.00 2 -0.61 15 -9.15 
  Ulrich, Tommy 2030 USA0.001-0.7115-10.65 
  Villarreal, Brian 1818 USA1.0010.10151.50 

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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