Individual Calculations October 2021
 Lesquillier, Walter  Total change: -20.60  Rating chartPersonal card
 2021 IM John Grefe Marathon Berkeley, California USA 2021-08-06
RcRownchangeKK*chgGame
 1639 1625 1.50 5 -1.03 20 -20.60 
  Winslow, Elliott m2025  * USA0.001-0.0820-1.60 
  Boyd, Tom 1429 USA1.0010.25205.00 
  Dixit, Arun 2025  * USA0.001-0.0820-1.60 
  Soltani, Mohammad 1465 USA0.001-0.7120-14.20 
  Thibault, William 1249 USA0.501-0.4120-8.20 
 * 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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