Individual Calculations April 2014
 Wang, Qibiao  Total change: 4.50  Rating chartPersonal card
 23rd Annual Eastern Class Championships Sturbridge, Massachusetts USA 2014-03-14
RcRownchangeKK*chgGame
 2111 2159 2.00 3 0.30 15 4.50 
  Bolat, Ahmet 2161 TUR0.001-0.5015-7.50 
  Kumar, Aravind f2040 USA1.0010.34155.10 
  Williams, Chris 2133 USA1.0010.46156.90 

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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