Individual Calculations September 2016
 Ludwig, John G  Total change: 2.20  Rating chartPersonal card
 2016 US Cadet Championship Rockville, Maryland USA 2016-07-23
RcRownchangeKK*chgGame
 2297 2373 5.50 9 0.11 20 2.20 
  Burke, John M m2571 USA1.0010.762015.20 
  Brodsky, David f2293 USA0.501-0.1120-2.20 
  Jacobson, Brandon c2122 USA0.501-0.3120-6.20 
  Lu, Albert 2235 USA0.501-0.1920-3.80 
  Kim, Yoon-Young 2162 USA0.501-0.2720-5.40 
  Li, Ethan 2313 USA0.001-0.5820-11.60 
  Balakrishnan, Praveen f2367 USA1.0010.49209.80 
  Kumar, Aravind f2234 USA0.501-0.1920-3.80 
  Hilby, Craig f2377 USA1.0010.512010.20 

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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