Individual Calculations April 2009
 Chiang, Sarah  Total change: 22.05  Rating chartPersonal card
 2008 Pan American Class Championships Fort Worth, Texas USA 2008-12-27
RcRownchangeKK*chgGame
 1876 1556 2.00 3 1.60 15 24.00 
  Chua, Alexander 1906 USA0.001-0.1115-1.65 
  Malhotra, Akshay 1815 USA1.0010.821512.30 
  Jamison, Courtney 1906 USA1.0010.891513.35 

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)
 
 JG's Old-Fashioned Hamburgers Texas Masters Richardson, Texas USA 2009-01-16
RcRownchangeKK*chgGame
 1945 1651 1.00 4 0.34 15 5.10 
  Langer, Michael f2001 USA0.001-0.1115-1.65 
  Safin, Artur K 2001 USA0.001-0.1115-1.65 
  Lin, Dachey 1777 USA1.0010.671510.05 
  Nonchev, Kalin K 2001 USA0.001-0.1115-1.65 

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)
 
 DFW FIDE Open Richardson, Texas USA 2009-02-14
RcRownchangeKK*chgGame
 1878 1651 0.00 2 -0.47 15 -7.05 
  Vedrickas, Tautvyd 2001 LTU0.001-0.1115-1.65 
  Williams, Mack H 1755 USA0.001-0.3615-5.40 

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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