Individual Calculations December 2021
 Petrova, Irina  Total change: -0.40  Rating chartPersonal card
 M.Chigorin Memorial 2021 St. Petersburg RUS 2021-10-23
RcRownchangeKK*chgGame
 1970 2141 5.50 8 -0.02 20 -0.40 
  Lyutsinger, Iren 1741  * RUS1.0010.08201.60 
  Sokolov, Ilia 1903 RUS0.501-0.3020-6.00 
  Dudarev, Viacheslav 1817 RUS1.0010.13202.60 
  Golikov, Daniil f2336 RUS0.5010.25205.00 
  Valiyev, Shahin 1944 AZE0.501-0.2520-5.00 
  Zayed, Ali Al-Hamed 1957 UAE1.0010.26205.20 
  Siniauski, Artsiom f2320 BLR0.5010.23204.60 
  Smirnov, Mark 1741  * KAZ0.501-0.4220-8.40 
 * 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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