Individual Calculations March 2017
 Roring, Tres  Total change: 36.80  Rating chartPersonal card
 2017 Oregon Closed Invitational Portland, Oregon USA 2017-02-11
RcRownchangeKK*chgGame
 1980 1999 6.50 9 1.84 20 36.80 
  Tobin, Sean 2148 USA1.0010.702014.00 
  Morris, Michael J 2029 USA0.5010.04200.80 
  Gatica, Jose M 1997 USA0.5010.00200.00 
  Sherrard, Jerry 2008 USA1.0010.512010.20 
  Seitzer, Phillip 2051 USA0.5010.07201.40 
  Hamm, Robert M 1653 USA0.501-0.3920-7.80 
  Shannon, Paul D 2080 USA1.0010.612012.20 
  Cosner, Karl 1981 USA1.0010.47209.40 
  Phipps, Danny 1873 USA0.501-0.1720-3.40 

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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