Individual Calculations April 2008
 Gaffagan, Steven  Total change: 27.25  Rating chartPersonal card
 Winter TNM San Francisco, CA USA 2008-01-08
RcRownchangeKK*chgGame
 2208 2042 2.00 3 1.09 25 27.25 
  Naroditsky, Daniel f2205 USA0.5010.22255.50 
  Traub, Igor 2038 USA1.0010.492512.25 
  Grefe, John m2381 USA0.5010.38259.50 

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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