Individual Calculations May 2012
 Pruess, David  Total change: 7.60  Rating chartPersonal card
 19th Annual Western Class Championships Agoura Hills, California USA 2012-03-09
 2342 2382 3.50 5 0.76 10 7.60 
  Formanek, Edward W m2171 USA1.0010.23102.30 
  Ashe, Brandon 2215 USA1.0010.28102.80 
  Amanov, Zhanibek m2404 KAZ1.0010.53105.30 
  Yankovsky, Roman 2438 RUS0.001-0.4210-4.20 
  Khachiyan, Melikset g2482 USA0.5010.14101.40 

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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