Individual Calculations April 2009
 Toolin, Christophe  Total change: -21.45  Rating chartPersonal card
 39th Annual World Amateur Team & US Team East Parsippany, New Jersey USA 2009-02-14
RcRownchangeKK*chgGame
 2216 2197 0.50 4 -1.43 15 -21.45 
  Kelleher, William f2366 USA0.001-0.2815-4.20 
  Lopez, Felix G 1946 USA0.501-0.3115-4.65 
  Charbonneau, Pasca g2500 CAN0.001-0.1415-2.10 
  Harris, Ian 2050 USA0.001-0.7015-10.50 

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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