Individual Calculations May 2012
 Zerfass, Otfried  Total change: -0.60  Rating chartPersonal card
 Deutsche Amateurmeisterschaft 2011/12 (6) Gruppe B Magdeburg GER 2012-04-20
RcRownchangeKK*chgGame
 2016 1947 2.00 5 -0.04 15 -0.60 
  Helms, Sven 2060 GER0.001-0.3515-5.25 
  Pappenheim, Rainer, Dr. 2067 GER1.0010.66159.90 
  Schoengart, Ralf 2052 GER0.001-0.3615-5.40 
  Schwarz, Eduard 1988 GER0.001-0.4415-6.60 
  Nosek, Reinhard 1913 GER1.0010.45156.75 

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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