Individual Calculations September 2023
 Morales Santos, Natasha  Total change: -41.00  Rating chartPersonal card
 28th annual Bradley Open - Major Windsor Locks, CT USA 2023-07-28
RcRownchangeKK*chgGame
 1730 1910 1.50 5 -2.05 20 -41.00 
  Taylor, Steven A 1821 USA1.0010.38207.60 
  Peterson, Ryan Harada 1871 USA0.001-0.5520-11.00 
  Wong, Wyatt 1605 USA0.001-0.8620-17.20 
  Wang, Alexander J 1841 USA0.001-0.6020-12.00 
  Ji, Y Luke 1510  * USA0.501-0.4220-8.40 
 * 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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