Individual Calculations May 2014
 Chiang, Sarah  Total change: -7.35  Rating chartPersonal card
 2nd Annual Naperville International Women Championship Naperville, Illinois USA 2014-03-27
RcRownchangeKK*chgGame
 2153 2099 2.50 7 -0.49 15 -7.35 
  Virkud, Apurva wc1964 USA0.501-0.1815-2.70 
  Tjoelsen, Katrine wm2202 NOR0.001-0.3615-5.40 
  Stjazhkina, Olga wg2209 RUS0.001-0.3515-5.25 
  Styazhkina, Anna wm2232 RUS1.0010.681510.20 
  Schmakel, Sam A 2285 USA0.001-0.2615-3.90 
  Regam, Jessica wf2016 USA1.0010.39155.85 
  Agrest, Inna wm2165 SWE0.001-0.4115-6.15 

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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