Individual Calculations July 2021
 Rosario, Salvador  Total change: -27.40  Rating chartPersonal card
 8th Cherry Blossom Classic - Under 2300 Dulles, Virginia USA 2021-05-28
RcRownchangeKK*chgGame
 1854 2081 2.50 5 -1.37 20 -27.40 
  Spencer, Aaron 1921 USA0.001-0.7120-14.20 
  Tay, Brian 1704 USA1.0010.09201.80 
  Su, Kevin 1776 USA1.0010.14202.80 
  Kobla, Vishal c1953 USA0.501-0.1720-3.40 
  Wang, Ellen wf1914 USA0.001-0.7220-14.40 

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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