Individual Calculations August 2021
 Modlin, Trey  Total change: -17.40  Rating chartPersonal card
 22nd Annual Pittsburgh Open - Major Pittsburgh, Pennsylvania USA 2021-07-23
RcRownchangeKK*chgGame
 2038 1990 0.00 2 -0.87 20 -17.40 
  Yang, Qindong 2110 CHN0.001-0.3420-6.80 
  Moore, Johnson 1965 USA0.001-0.5320-10.60 

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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