Individual Calculations September 2012
 Willemsma, Abe  Total change: -10.20  Rating chartPersonal card
 Hogeschool Zeeland 2012 Vlissingen NED 2012-08-04
RcRownchangeKK*chgGame
 1952 2109 5.50 9 -0.68 15 -10.20 
  Van `t Hof, Kees 1728 NED0.501-0.4115-6.15 
  Larsen, Sander 1827 BEL0.501-0.3415-5.10 
  Bitalzadeh, Mahsa 1869 NED1.0010.20153.00 
  Hefner, Felix 1847 GER0.501-0.3215-4.80 
  Ijzermans, Cees 1921 NED0.501-0.2415-3.60 
  Van Gemert, Rogier 1903 NED1.0010.24153.60 
  Duijker, Rick f2219 NED0.5010.15152.25 
  Eisenbeiser, Amadeus m2384 GER0.001-0.1715-2.55 
  De Vogelaere, Robin 1874 BEL1.0010.21153.15 

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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