Individual Calculations June 2014
 Montgomery, Parker  Total change: -33.90  Rating chartPersonal card
 83rd Massachusetts Open Marlboro, Massachusetts USA 2014-05-24
RcRownchangeKK*chgGame
 2020 2058 0.50 3 -1.13 30 -33.90 
  Williams, Chris 2137 USA0.001-0.3930-11.70 
  Tkach, Leonid 2076 USA0.5010.03300.90 
  Tang, Arthur 1846 USA0.001-0.7730-23.10 

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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