Individual Calculations September 2018
 Tarjan, James  Total change: -1.60  Rating chartPersonal card
 2018 Seattle Chess Classic Seattle, Washington USA 2018-08-15
RcRownchangeKK*chgGame
 2058 2406 6.00 7 -0.16 10 -1.60 
  Yu, Jason 2084 USA0.501-0.3710-3.70 
  Hiebert, Kenji 2031 JPN1.0010.09100.90 
  Zhang, Eric 2024 USA1.0010.09100.90 
  Pupols, Viktors 2006  * USA0.501-0.4210-4.20 
  He, Anthony f2246 USA1.0010.29102.90 
  Levine, Joseph 2006  * USA1.0010.08100.80 
  Truelson, Joseph 2006  * USA1.0010.08100.80 
 * 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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