Individual Calculations September 2019
 Petukhov, Dmitry  Total change: -6.80  Rating chartPersonal card
 XIV Astrakhan Open A Astrakhan RUS 2019-08-11
 2146 2357 4.50 7 -0.68 10 -6.80 
  Korolkov, Alexander 1957  * RUS1.0010.08100.80 
  Morozov, Gennady 2053 RUS0.501-0.3610-3.60 
  Ivlev, Aleksey f2296 RUS0.501-0.0810-0.80 
  Nazarova, Evgeniya 1957  * RUS1.0010.08100.80 
  Shagbazyan, Taron f2413 UKR0.5010.08100.80 
  Akhmedzhanov, Kamil f2143 RUS1.0010.23102.30 
  Miljakin, Vasily 2201 RUS0.001-0.7110-7.10 
 * 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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