Individual Calculations October 2018
 McCoy, Owen  Total change: -23.20  Rating chartPersonal card
 68th Annual Oregon Open Portland, Oregon USA 2018-09-01
RcRownchangeKK*chgGame
 2006 2098 2.50 5 -0.58 40 -23.20 
  Hartley, Alan 1847 USA0.501-0.3140-12.40 
  Seitzer, Phillip 2050 USA1.0010.434017.20 
  Tarjan, James g2404 USA0.001-0.1440-5.60 
  Gatica, Jose 1962 USA0.001-0.6840-27.20 
  Koontz, Carl 1765 USA1.0010.12404.80 

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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