Individual Calculations November 2023
 Lee, Addison T  Total change: 2.80  Rating chartPersonal card
 2023 U.S. Armed Forces Open Chess Championships Dulles, Virginia USA 2023-10-07
RcRownchangeKK*chgGame
 1847 2079 2.50 3 0.14 20 2.80 
  Belke, Thomas J 1808 USA1.0010.17203.40 
  Middaugh, Jon 1798 USA1.0010.16203.20 
  Peraino, Andrew 1934 USA0.501-0.1920-3.80 

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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