Individual Calculations February 2015
 Van Den Berg, Jaap  Total change: 11.00  Rating chartPersonal card
 Tata Steel Chess Tournament 2015 - T4G Wijk aan Zee NED 2015-01-16
RcRownchangeKK*chgGame
 1891 1847 4.50 9 0.55 20 11.00 
  Spook, Michiel 1865 NED1.0010.532010.60 
  Sola Lluch, Miquel 1921 ESP0.5010.10202.00 
  Schrickx, Frank 1865 BEL0.5010.03200.60 
  Freer, Robert 1850 NED1.0010.502010.00 
  Straathof, Dick 1877 NED0.5010.04200.80 
  Duin, Laurens 1973 NED0.5010.17203.40 
  Witkamp, Theo 1849 NED0.001-0.5020-10.00 
  Van Maassen, Berend 1963 NED0.001-0.3420-6.80 
  Volders, Wessel 1860 NED0.5010.02200.40 

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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