Individual Calculations October 2015
 Brattain, Mika A  Total change: 14.00  Rating chartPersonal card
 75th New England Open Boxborough, Massachusetts USA 2015-09-05
 2149 2336 5.00 6 0.70 20 14.00 
  Wu, Brandon 1936  * USA1.0010.08201.60 
  Kavi, Nithin 2197 USA1.0010.31206.20 
  Han, Joseph 2034 USA0.501-0.3520-7.00 
  Winer, Steven f2355 USA0.5010.03200.60 
  Khater, Sherif A 2067 USA1.0010.17203.40 
  Chase, Christopher f2304 USA1.0010.46209.20 
 * 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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