Individual Calculations November 2022
 Coffman, Charles Z  Total change: 14.00  Rating chartPersonal card
 30th annual Midwest Class Championships - Premier Wheeling, IL USA 2022-10-07
RcRownchangeKK*chgGame
 2208 1795 1.00 3 0.70 20 14.00 
  Adury, Anant 2065 USA1.0010.832016.60 
  Li, Zhaozhi m2412 USA0.001-0.0220-0.40 
  Sheehan, Ethan Thomas 2147 USA0.001-0.1120-2.20 

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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