Individual Calculations October 2017
 Christiansen, Natasha  Total change: -9.00  Rating chartPersonal card
 77th New England Open Waltham, Massachusetts USA 2017-09-02
RcRownchangeKK*chgGame
 1936 1791 0.50 3 -0.45 20 -9.00 
  Li, Jerry 1934 USA0.001-0.3120-6.20 
  Chen, Maxwell D 1810 USA0.5010.03200.60 
  Kavi, Nithin 2064 USA0.001-0.1720-3.40 

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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