Individual Calculations August 2012
 Duijker, Bert  Total change: -17.85  Rating chartPersonal card
 40e Bilderbergtoernooi Oosterbeek NED 2012-07-07
RcRownchangeKK*chgGame
 2014 1913 1.00 6 -1.19 15 -17.85 
  Van Leeuwen, Etienne 2058 BEL0.001-0.3115-4.65 
  Huysman, Arie 2046 NED0.001-0.3215-4.80 
  Van De Vreede, Jim 1984 NED0.001-0.4015-6.00 
  Haitsma, Anne 2024 NED0.5010.15152.25 
  Vreugdenhil, Frans 2050 NED0.001-0.3215-4.80 
  Van De Peut, Aart 1922 NED0.5010.01150.15 

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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