Individual Calculations June 2017
 Tahmassebi, Bijan  Total change: 36.40  Rating chartPersonal card
 63rd Maryland Open - U2200 Rockville, Maryland USA 2017-05-05
RcRownchangeKK*chgGame
 1876 1796 2.50 4 0.91 40 36.40 
  Nguyen, Tan f1904 USA0.001-0.3540-14.00 
  Hemingway, Kevin 1549 USA1.0010.19407.60 
  Rea, Andrew 2087 USA1.0010.854034.00 
  Spencer, Michael A 1963 USA0.5010.22408.80 

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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