Individual Calculations December 2018
 Herfel, Manfred  Total change: -3.60  Rating chartPersonal card
 Deutsche Schach-Amateurmeisterschaft 2018-2019 Q1 D Koblenz-Lahnstein GER 2018-11-16
RcRownchangeKK*chgGame
 1624 1770 2.00 3 -0.09 40 -3.60 
  Plum, Paul 1615 GER0.001-0.7140-28.40 
  Steiz, Johann 1645 GER1.0010.334013.20 
  Rasch, Wolfgang, Dr. 1613 GER1.0010.294011.60 

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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