Individual Calculations April 2009
 Lin, Dachey  Total change: -20.75  Rating chartPersonal card
 2008 Pan American Class Championships Fort Worth, Texas USA 2008-12-27
RcRownchangeKK*chgGame
 1828 1760 1.00 3 -0.23 25 -5.75 
  Raphael, Christopher 1940 TRI0.5010.24256.00 
  Chiang, Jonathan 1535 USA0.001-0.7825-19.50 
  Jamison, Courtney 2010 USA0.5010.31257.75 

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)
 
NOTE: K factor changed
 JG's Old-Fashioned Hamburgers Texas Masters Richardson, Texas USA 2009-01-16
RcRownchangeKK*chgGame
 1856 1777 1.00 5 -1.12 15 -16.80 
  Antal, Gergely m2127 HUN0.001-0.1115-1.65 
  Chiang, Jonathan 1569 USA0.001-0.7715-11.55 
  Chiang, Sarah wc1651 USA0.001-0.6715-10.05 
  Vedrickas, Tautvyd 2127 LTU0.001-0.1115-1.65 
  Chandra, Kevin 1808 USA1.0010.54158.10 

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)
 
NOTE: K factor changed
 DFW FIDE Open Richardson, Texas USA 2009-02-14
RcRownchangeKK*chgGame
 1820 1777 1.00 2 0.12 15 1.80 
  Jayakumar, Adarsh 1885 IND0.001-0.3515-5.25 
  Williams, Mack H 1755 USA1.0010.47157.05 

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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