Individual Calculations May 2013
 Harris, Ian  Total change: 12.75  Rating chartPersonal card
 43rd Annual World Amateur Team & US Team East Parsippany, New Jersey USA 2013-02-16
RcRownchangeKK*chgGame
 2185 2099 2.00 3 0.85 15 12.75 
  Bisguier, Arthur B g2200 USA1.0010.64159.60 
  Sena, Juan 2119 DOM1.0010.53157.95 
  Mac Intyre, Paul f2236 USA0.001-0.3215-4.80 

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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