Individual Calculations September 2021
 Du, Wenyang  Total change: -7.20  Rating chartPersonal card
 16th Annual Indianapolis Open - Under 2100 Indianapolis, Indiana USA 2021-08-27
RcRownchangeKK*chgGame
 1849 1799 0.50 2 -0.36 20 -7.20 
  Smith, Roger Christopher 1880 USA0.001-0.3920-7.80 
  Friske, Thomas 1818 USA0.5010.03200.60 

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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