Individual Calculations October 2017
 Hubbard, Andrew D  Total change: 34.00  Rating chartPersonal card
 2017 Michigan Open Dearborn, Michigan USA 2017-09-01
RcRownchangeKK*chgGame
 2172 2132 3.50 4 1.70 20 34.00 
  Levi, Ariel S 2042 USA1.0010.38207.60 
  Heimann, Mark A f2369 USA1.0010.802016.00 
  Posthuma, Joshua G 2204 USA0.5010.10202.00 
  Ghobrial, Ameer S 2073 USA1.0010.42208.40 

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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