Rapid: Individual Calculations February 2023
 Koptev, Igor  Total change: -99.20  Rating chartPersonal card
 Winter subtropics 2023. Rapid - A Sochi RUS 2023-01-05
RcRownchangeKK*chgGame
 1629 2203 4.00 7 -2.48 40 -99.20 
  Tarkil, Mikhail 1239 RUS1.0010.00400.00 
  Manokhin, Sergey 2040 RUS1.0010.284011.20 
  Blinova, Sofia 1383 RUS0.001-1.0040-40.00 
  Terekyan, Sergey 1341 RUS1.0010.00400.00 
  Bagriy, Aleksandr V. 1849 RUS0.001-0.8940-35.60 
  Nalbandian, David 1803  * RUS1.0010.08403.20 
  Karapetian, Albert 1745 RUS0.001-0.9540-38.00 
 * 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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