Individual Calculations January 2014
 Colbert, Jeff  Total change: -50.10  Rating chartPersonal card
 5th OCF FIDE T-giving Stillwater, Oklahoma USA 2013-11-29
RcRownchangeKK*chgGame
 1815 1909 2.00 6 -1.67 30 -50.10 
  Chor, Kevin c1854 USA0.001-0.5830-17.40 
  Pan, Shi 2145 USA0.001-0.2030-6.00 
  Nickels, Erik J 1794 USA0.501-0.1630-4.80 
  Smith, Danial W 1708 USA0.501-0.2630-7.80 
  Wolf, Alex 1871 USA0.001-0.5530-16.50 
  Case, Rick 1517 USA1.0010.08302.40 

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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