Individual Calculations September 2021
 Marshall, Calvin  Total change: -18.60  Rating chartPersonal card
 1st Joe Yun Memorial Chess Tournament Akron, Ohio USA 2021-08-13
RcRownchangeKK*chgGame
 1872 1831 0.00 2 -0.93 20 -18.60 
  Meekins, Kristopher C 2146 USA0.001-0.1420-2.80 
  Bauml, Broderick Kenneth 1598 USA0.001-0.7920-15.80 

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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