Individual Calculations December 2016
 Williams, Justus D  Total change: 21.40  Rating chartPersonal card
 2016 Thanksgiving Open Saint Louis, Missouri USA 2016-11-25
RcRownchangeKK*chgGame
 2248 2305 4.50 6 1.07 20 21.40 
  Muratova, Saltanat 1991 KAZ1.0010.14202.80 
  Shimanov, Aleksandr g2623 RUS0.001-0.1320-2.60 
  Polgar-Shutzman, Tom 2030 USA1.0010.17203.40 
  Neal Ii, James A 2129 USA1.0010.27205.40 
  Kannappan, Priyadharshan g2520 IND0.5010.27205.40 
  Davis, Loal W. 2195 USA1.0010.35207.00 

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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