Individual Calculations February 2023
 Durost, Benjamin E  Total change: -28.80  Rating chartPersonal card
 32nd annual North American Open - U2100 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1517 1818 2.00 3 -0.53 40 -21.20 
  Wongso, Merissa 1418  * USA1.0010.08403.20 
  Giordani, Daniel Jacob 1616 USA0.001-0.7640-30.40 
  Trey, Justin 1516 USA1.0010.15406.00 
 * 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)
 
 Tim Just Winter Open XXXIX - Major Section Schaumburg, IL USA 2023-01-06
RcRownchangeKK*chgGame
 2021 1810 0.50 3 -0.19 40 -7.60 
  Kaplan, Avi Harrison 2083 USA0.001-0.1740-6.80 
  Lee, Daniel 1981 USA0.001-0.2740-10.80 
  Wisniowski, Natalie wc2000 USA0.5010.254010.00 

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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