Individual Calculations August 2014
 Xu, Grant Y  Total change: -4.20  Rating chartPersonal card
 42nd Annual World Open - U2400 Section Arlington, Virginia USA 2014-06-30
RcRownchangeKK*chgGame
 2115 2169 2.00 4 -0.28 15 -4.20 
  Virkud, Apurva wc1954 USA0.001-0.7715-11.55 
  Bick, John D f2155 USA1.0010.48157.20 
  Goldenberg, Ryan D 2314 USA0.001-0.3115-4.65 
  Ghatti, Sanjay 2038 USA1.0010.32154.80 

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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