Individual Calculations October 2015
 Ni, Viktorija  Total change: 3.80  Rating chartPersonal card
 2015 Illinois Open State Chess Championship Northbrook, Illinois USA 2015-09-05
RcRownchangeKK*chgGame
 1837 2212 2.00 2 0.19 20 3.80 
  Craigmile, Charles H 1812  * USA1.0010.08201.60 
  Lehmann, Spencer G 1861 USA1.0010.11202.20 
 * 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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