Individual Calculations January 2011
 Stone, George W  Total change: -15.75  Rating chartPersonal card
 1st North American Amateur Closed Section I Skokie,IL USA 2010-11-19
RcRownchangeKK*chgGame
 1834 1932 5.00 9 -0.63 25 -15.75 
  Pullin, Matthew 1942 USA0.5010.01250.25 
  Richmond, M Barrie 1905 USA0.501-0.0425-1.00 
  Miller, Steven C 2012 USA0.5010.11252.75 
  Villarreal, Brian 1852 USA0.001-0.6125-15.25 
  Vitkauskas, Vytautas 1718 USA0.501-0.2725-6.75 
  Kosteris, Dimitri 1823 USA0.501-0.1525-3.75 
  Craigmile, Charles 1669 USA0.501-0.3225-8.00 
  Girardo, Christopher 1718 USA1.0010.23255.75 
  Mei, Mike 1867 USA1.0010.412510.25 

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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