Individual Calculations September 2014
 Aldrich, Daniel Fr  Total change: -68.80  Rating chartPersonal card
 4th Annual Potomac Open Rockville, Maryland USA 2014-08-01
RcRownchangeKK*chgGame
 1999 2038 0.50 4 -1.72 40 -68.80 
  Li, Ben 1967 USA0.001-0.6040-24.00 
  Yu, Jennifer R wf1914 USA0.001-0.6740-26.80 
  Paulina, David 2031 USA0.001-0.5140-20.40 
  Fischer, Robert J 2082 USA0.5010.06402.40 

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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