Individual Calculations December 2012
 Rosen, Eric S  Total change: -5.40  Rating chartPersonal card
 2012 Illinois Class Championship River Forest, Illinois USA 2012-11-17
 2007 2293 3.00 4 -0.36 15 -5.40 
  Bungo, D Gregory 1973 USA1.0010.13151.95 
  Chen, Michael L 2019 USA0.501-0.3315-4.95 
  Pounraj, Karthikeyan 2003 IND1.0010.16152.40 
  Auger, Michael W 2032 USA0.501-0.3215-4.80 

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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