Individual Calculations November 2009
 Zelnick, David E  Total change: -34.50  Rating chartPersonal card
 DFW FIDE Open VI Richardson, Texas USA 2009-09-26
RcRownchangeKK*chgGame
 1835 2012 0.00 2 -1.38 25 -34.50 
  Jayakumar, Adarsh 2037 USA0.001-0.4725-11.75 
  Chiang, Jonathan 1632 USA0.001-0.9125-22.75 

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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