Blitz: Individual Calculations August 2021
 Petkova, Irina  Total change: 69.80  Rating chartPersonal card
 Bulgarian Individual Chess Championship Girls 14-2021 Blitz Asenovgrad BUL 2021-07-15
RcRownchangeKK*chgGame
 1350 1340 7.00 7 3.49 20 69.80 
  Stancheva, Gergana 1163 BUL1.0010.27205.40 
  Zangarova, Gabriela 1073 BUL1.0010.18203.60 
  Arshinkova, Boryana 1292 BUL1.0010.43208.60 
  Rasheva, Nora wc1337 BUL1.0010.502010.00 
  Karaivanova, Petya wf1561 BUL1.0010.782015.60 
  Todorova, Dobrinka 1268 BUL1.0010.40208.00 
  Ivanova, Dilyana wc1754 BUL1.0010.932018.60 

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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