Individual Calculations February 2015
 Foygel, Igor  Total change: -14.50  Rating chartPersonal card
 2014 MWCC Holiday Swiss Natick, Massachusetts USA 2014-12-02
 2277 2450 0.00 2 -1.45 10 -14.50 
  Brattain, Mika A 2328 USA0.001-0.6710-6.70 
  Krasik, Ilya 2225 USA0.001-0.7810-7.80 

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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