Individual Calculations April 2009
 Burggraaf, Jan T.h.  Total change: 21.30  Rating chartPersonal card
 3A - Corus Chess Tournament - Tienkampen Wijk aan Zee NED 2009-01-23
RcRownchangeKK*chgGame
 2010 2020 6.00 9 1.42 15 21.30 
  Min, Koos 1756 NED1.0010.18152.70 
  Muis, Gerrit Meine 2103 NED0.5010.11151.65 
  Boots, Johan 2041 NED1.0010.53157.95 
  Andersen, Niels Erik 2052 DEN0.5010.04150.60 
  Van Der Meiden, Dirk 2099 NED1.0010.61159.15 
  Haakman, Adri 2041 NED0.5010.03150.45 
  Bos-Swiecik, Iwona wm2129 NED0.5010.15152.25 
  Bruyn, Dennis 1963 NED0.001-0.5815-8.70 
  Moller, Werner 1907 NED1.0010.35155.25 

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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