Individual Calculations March 2011
 Lay, Peter D  Total change: -0.50  Rating chartPersonal card
 Australian Open Championship Sydney AUS 2011-01-02
RcRownchangeKK*chgGame
 1919 1987 6.00 10 -0.02 25 -0.50 
  Egan, Bill 1740 AUS1.0010.19254.75 
  Zhao, Zong-Yuan g2387  * AUS0.001-0.0825-2.00 
  Wu, Edwin 1870 AUS1.0010.34258.50 
  Perera, Pasan 1866 AUS0.501-0.1625-4.00 
  Chen, Pengyu 1980 AUS0.001-0.5125-12.75 
  Glissan, Paul 1887 AUS0.001-0.6425-16.00 
  Dickson, Ian 1856 AUS1.0010.32258.00 
  Encel, Benjamin 1898 AUS0.501-0.1225-3.00 
  Fry, Peter 1870 AUS1.0010.34258.50 
  Rachmadi, Herman 1836 AUS1.0010.30257.50 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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