Individual Calculations September 2011
 Harris, Neal D  Total change: 10.80  Rating chartPersonal card
 39th Annual World Open - U2400 Section Philadelphia, Pennsylvania USA 2011-06-28
 2218 2128 3.00 6 0.72 15 10.80 
  Defibaugh, Jared 2184 USA1.0010.58158.70 
  Formanek, Edward W m2234 USA0.5010.14152.10 
  Figler, Ilye m2304 USA0.5010.23153.45 
  Melekhina, Alisa fwm2304 USA0.001-0.2715-4.05 
  Resika, Nathan f2162 USA1.0010.55158.25 
  Plunkett, Robert 2122 USA0.001-0.5115-7.65 

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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