Individual Calculations July 2022
 Langreck, John  Total change: -15.00  Rating chartPersonal card
 2022 National Open - Under 2300 Las Vegas, Nevada USA 2022-06-09
RcRownchangeKK*chgGame
 1803 2082 5.00 7 -0.75 20 -15.00 
  Coy, Matthew Miller 1676 USA1.0010.08201.60 
  Rajmohan, Vikram 1754 ENG0.501-0.3720-7.40 
  Nguyen, Tinh Son 1874 USA0.501-0.2720-5.40 
  Eswaran, Aksithi wc1751 USA1.0010.12202.40 
  Fong, Kevin 1810 USA0.501-0.3320-6.60 
  Xu, Kevin 1747 USA1.0010.12202.40 
  Iinuma, Paul 2010 USA0.501-0.1020-2.00 

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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