Individual Calculations September 2021
 Sumarokova, Alena  Total change: 13.20  Rating chartPersonal card
 Vladimir Open 2021 boys 15 Suzdal RUS 2021-08-04
RcRownchangeKK*chgGame
 1119 1068 2.50 5 0.33 40 13.20 
  Kichev, Grigoriy 1162 RUS0.001-0.3740-14.80 
  Polozova, Anna 1278 RUS0.001-0.2340-9.20 
  Fokeev, Maxim 1048 RUS0.501-0.0340-1.20 
  Andreeva, Varvara 1085 RUS1.0010.524020.80 
  Ovchinnikov, Maxim 1024 RUS1.0010.444017.60 

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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