Individual Calculations April 2019
 Preotu, Razvan  Total change: -15.30  Rating chartPersonal card
 23rd Annual Mid-America Open St. Louis, Missouri USA 2019-03-22
RcRownchangeKK*chgGame
 2149 2527 3.00 5 -1.53 10 -15.30 
  Narayanan, Saumik 2127  * USA1.0010.08100.80 
  Polgar-Shutzman, Tom 2215 USA0.501-0.3610-3.60 
  Iwu, Okechukwu 2127  * USA0.501-0.4210-4.20 
  Wu, Logan 2129 USA0.501-0.4210-4.20 
  Easton, Jack 2148 USA0.501-0.4110-4.10 
 * 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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