Individual Calculations December 2015
 Zerfass, Otfried  Total change: -17.60  Rating chartPersonal card
 DSAM Ramada-Cup 2016 2C Magdeburg GER 2015-11-20
RcRownchangeKK*chgGame
 1728 1859 2.50 5 -0.88 20 -17.60 
  Heidrich, Detlef 1691 GER0.001-0.7220-14.40 
  Floren, Dieter, Dr. 1804 GER0.001-0.5820-11.60 
  Von Angern, Cedric 1661 GER0.501-0.2620-5.20 
  Wulff, Jens-Peter 1755 GER1.0010.36207.20 
  Thomas, Andreas 1729 GER1.0010.32206.40 

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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