Individual Calculations April 2017
 Ni, Viktorija  Total change: -5.20  Rating chartPersonal card
 FIDE Women's World Championship 2017 Tehran IRI 2017-02-10
 2524 2199 0.00 2 -0.26 20 -5.20 
  Gunina, Valentina gwg2524 RUS0.001-0.1320-2.60 
  Gunina, Valentina gwg2524 RUS0.001-0.1320-2.60 

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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