Individual Calculations July 2023
 Atoufi, Pedram  Total change: -12.00  Rating chartPersonal card
 2023 National Open Las Vegas, NV USA 2023-06-14
RcRownchangeKK*chgGame
 2128 2238 5.00 9 -0.60 20 -12.00 
  Dyberg, Rick 1838  * USA1.0010.08201.60 
  Jacobson, Brandon g2557 USA0.001-0.1320-2.60 
  Akopian, Robert 1957 USA1.0010.16203.20 
  Melillo, Lucius 1870 USA0.001-0.9020-18.00 
  Coyne, Theodore 2021 USA1.0010.22204.40 
  Gustafson, Corbin 1951 USA1.0010.16203.20 
  Stearman, Josiah m2421 USA0.5010.24204.80 
  Wang, Justin m2484 USA0.001-0.1920-3.80 
  Ai, Evan 2055 USA0.501-0.2420-4.80 
 * 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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