Individual Calculations October 2017
 Harrison, Eva C  Total change: 9.60  Rating chartPersonal card
 2017 Illinois Open State Championship Northbrook, Illinois USA 2017-09-02
RcRownchangeKK*chgGame
 1839 1737 2.50 6 0.24 40 9.60 
  Hamilton, Mark 1838 USA0.001-0.3640-14.40 
  Ulrich, Susanna G 1779 USA1.0010.564022.40 
  Talayko, Edgar 1777 USA1.0010.564022.40 
  Cervantes, Thalia wf2110 USA0.001-0.1040-4.00 
  Singh, Hersh 1735 USA0.001-0.5040-20.00 
  Ho, Kevin 1797 USA0.5010.08403.20 

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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