Individual Calculations April 2009
 Mirabile, Tim  Total change: -4.95  Rating chartPersonal card
 39th Annual World Amateur Team & US Team East Parsippany, New Jersey USA 2009-02-14
RcRownchangeKK*chgGame
 2242 2180 0.50 2 -0.33 15 -4.95 
  Privman, Boris f2172 USA0.501-0.0115-0.15 
  Kobas, Adnan f2312 BIH0.001-0.3215-4.80 

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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