Individual Calculations January 2009
 Zelkind, Natalya  Total change: 55.50  Rating chartPersonal card
 18.Seniors World Championship Open Bad Zwischenahn GER 2008-10-28
RcRownchangeKK*chgGame
 1944 1795 5.00 9 2.22 25 55.50 
  Mietner, Franz 1958 GER0.001-0.2825-7.00 
  Fister, Horst-Lothar 1649 GER1.0010.30257.50 
  Westerman, Henk 1932 NED0.001-0.3225-8.00 
  Thielemann, Joachim 2013 GER1.0010.782519.50 
  Roth, Reinhard 1957 GER1.0010.712517.75 
  Altrock, Rainer 2081 GER0.5010.34258.50 
  Oud, Niek 2024 NED0.001-0.2125-5.25 
  Marek, Herbert 1927 GER0.5010.18254.50 
  Burreh, Heinz 1958 GER1.0010.722518.00 

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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