Individual Calculations December 2017
 Rosen, Eric  Total change: 2.10  Rating chartPersonal card
 City of Chicago Class Championships Chicago, Illinois USA 2017-10-28
 2090 2379 3.50 4 0.21 10 2.10 
  Li, Marissa wc1979  * USA1.0010.08100.80 
  Kalghatgi, Nikhil 1993 USA1.0010.09100.90 
  Proleiko, Julian 2095 USA1.0010.16101.60 
  Young, Angelo m2292 PHI0.501-0.1210-1.20 
 * 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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