Individual Calculations October 2021
 Delchev, Petar  Total change: -27.60  Rating chartPersonal card
 Primorsko Open B 2021 Primorsko BUL 2021-09-14
RcRownchangeKK*chgGame
 1872 2171 4.50 7 -1.38 20 -27.60 
  Novichenko, Oleksandr 1771  * UKR1.0010.08201.60 
  Hristov, Petar 1949 BUL0.501-0.2820-5.60 
  Naymanova, Patricie 1932 BUL0.001-0.8020-16.00 
  Stoimenov, Plamen 1781 BUL1.0010.09201.80 
  Ozsoy, Idil Mira 1771  * TUR1.0010.08201.60 
  Valev, Valentin 2020 BUL0.001-0.7020-14.00 
  Zlatanova, Emilia wm1878 BUL1.0010.15203.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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