Individual Calculations July 2011
 Criss, Nathaniel  Total change: 2.75  Rating chartPersonal card
 53rd Gem City Open Dayton, Ohio USA 2011-06-03
RcRownchangeKK*chgGame
 1999 1980 2.00 4 0.11 25 2.75 
  Coraretti, Ben 2051 USA0.001-0.4025-10.00 
  Sprague, Ross 1972 USA0.501-0.0125-0.25 
  Friedman, David 1948 USA1.0010.462511.50 
  Madabusi, Narasimhan 2023 IND0.5010.06251.50 

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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