Individual Calculations October 2021
 Wasserman, Edward  Total change: 10.60  Rating chartPersonal card
 66th Annual Iowa Open Iowa City, Iowa USA 2021-09-10
RcRownchangeKK*chgGame
 1908 1737 1.50 3 0.53 20 10.60 
  Popov, Sergey 1566 USA1.0010.27205.40 
  Kosokin, Valeriy 2137  * UZB0.001-0.0820-1.60 
  Mc Entee, Tim R 2020 USA0.5010.34206.80 
 * 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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