Individual Calculations June 2013
 Donkers, Joran  Total change: 1.50  Rating chartPersonal card
 Dutch Championship U20 2013 Sneek NED 2013-04-27
RcRownchangeKK*chgGame
 2065 2006 3.50 8 0.10 15 1.50 
  Maris, Ivo 2159 NED0.001-0.3015-4.50 
  Zevenhuizen, Daniel 1861 NED1.0010.31154.65 
  Ratsma, Midas 2037 NED0.001-0.4615-6.90 
  Haver, Bas 2067 NED0.5010.08151.20 
  Gunther, Marcella 1948 NED1.0010.42156.30 
  Mostertman, Milan 2280 NED0.5010.33154.95 
  Van Osch, Mees 2131 NED0.001-0.3315-4.95 
  Vos, Tjark 2039 AHO0.5010.05150.75 

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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