Individual Calculations February 2018
 Kostandyan, Konstantin  Total change: -26.00  Rating chartPersonal card
 XXV Memorial of P.V.Dubinin 2018 open Nizhniy Novgorod RUS 2018-01-03
RcRownchangeKK*chgGame
 1659 1670 2.00 5 -0.65 40 -26.00 
  Rychagov, Alexander 2070  * RUS0.001-0.0840-3.20 
  Kostin, Nikolay 1270  * RUS1.0010.08403.20 
  Shkrebko, Mikhail 1506 RUS1.0010.284011.20 
  Kuznetsov, Sergei 2070  * RUS0.001-0.0840-3.20 
  Grishin, Petr E. 1379 RUS0.001-0.8540-34.00 
 * 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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