Individual Calculations October 2015
 Hobart, Steve  Total change: -90.00  Rating chartPersonal card
 81st Annual Southwest Open Irving, Texas USA 2015-09-04
RcRownchangeKK*chgGame
 1670 2063 0.50 3 -2.25 40 -90.00 
  Han, Qiyu 1663  * USA0.001-0.9240-36.80 
  Weisberg, Mark L 1663  * USA0.001-0.9240-36.80 
  Wang, Jason 1685 USA0.501-0.4140-16.40 
 * 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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