Individual Calculations October 2008
 Owen, Steven A  Total change: 7.50  Rating chartPersonal card
 36th Annual World Open (U2400 Section) Philadelphia, Pennsylvania USA 2008-06-30
RcRownchangeKK*chgGame
 2271 2076 1.50 4 0.50 15 7.50 
  Formanek, Edward W m2264 USA0.5010.24153.60 
  Rodriguez, Eric 2250 USA0.001-0.2715-4.05 
  Anderson, Renard W f2246 USA1.0010.721510.80 
  Nikolayev, Igor A f2322 USA0.001-0.1915-2.85 

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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