Individual Calculations May 2010
 Allen, Edward J  Total change: 2.40  Rating chartPersonal card
 40th Annual World Amateur Team & US Tean East Parsippany, New Jersey USA 2010-02-13
RcRownchangeKK*chgGame
 2109 2171 2.50 4 0.16 15 2.40 
  Izoria, Ana wf2146 GEO1.0010.47157.05 
  Tuhrim, Richard J 2056 USA0.501-0.1615-2.40 
  Guevara, Robert Ne 2085 USA0.501-0.1215-1.80 
  Morrissey, Leonard 2150 USA0.501-0.0315-0.45 

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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