Individual Calculations August 2021
 Petrukhina, Olga  Total change: -0.60  Rating chartPersonal card
 South Ural Cup 2021 - C Chelyabinsk RUS 2021-06-25
RcRownchangeKK*chgGame
 2121 2082 4.00 9 -0.03 20 -0.60 
  Benderac, Ana wg2183 SRB0.5010.14202.80 
  Mukhina, Jana wf1988 RUS0.501-0.1320-2.60 
  Dubnikova, Anastasia wf2154 RUS0.001-0.4020-8.00 
  Nasybullina, Dayana 1990 RUS1.0010.37207.40 
  Nasybullina, Alfia wm2135 KAZ0.001-0.4320-8.60 
  Geller, Anastasiya wf2228 RUS1.0010.702014.00 
  Prudnikova, Svetlana wg2192 SRB0.001-0.3520-7.00 
  Filippova, Darya wf2002 RUS0.501-0.1120-2.20 
  Gevorgyan, Maria wg2219 ARM0.5010.18203.60 

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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