Individual Calculations October 2012
 Christiansen, Natasha  Total change: 4.35  Rating chartPersonal card
 72nd New England Open Leominster, Massachusetts USA 2012-09-01
RcRownchangeKK*chgGame
 2256 1895 0.50 2 0.29 15 4.35 
  Wang, Qibiao 2217 CHN0.5010.37155.55 
  Chase, Christopher f2295  * USA0.001-0.0815-1.20 
 * 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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