Individual Calculations August 2022
 Herman, Geoffrey  Total change: -22.80  Rating chartPersonal card
 50th Annual World Open - Under 2200 Philadelphia, Pennsylvania USA 2022-06-30
RcRownchangeKK*chgGame
 1925 1808 0.50 3 -0.57 40 -22.80 
  Martin, Zachary David 1993 USA0.5010.24409.60 
  Murphy, Ryan 2067 USA0.001-0.1840-7.20 
  Ng, Timothy 1715 USA0.001-0.6340-25.20 

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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