Individual Calculations April 2009
 Lombardy, William  Total change: -6.60  Rating chartPersonal card
 39th Annual World Amateur Team & US Team East Parsippany, New Jersey USA 2009-02-14
RcRownchangeKK*chgGame
 2197 2442 2.50 4 -0.66 10 -6.60 
  Robinson, Richard 2113 BER1.0010.12101.20 
  Kis, Lorand Bela 2181 USA0.001-0.8210-8.20 
  Kelleher, William f2366 USA0.501-0.1010-1.00 
  Karen, Brian 2127 USA1.0010.14101.40 

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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