Individual Calculations July 2019
 Wiechmann, Michael  Total change: -17.00  Rating chartPersonal card
 Deutsche Schach-Amateurmeisterschaft 2018-2019 Finale B Magdeburg GER 2019-05-30
RcRownchangeKK*chgGame
 2039 2012 1.00 4 -0.85 20 -17.00 
  Vogel, Constantin 2073 GER0.001-0.4220-8.40 
  Mailitis, Kai 2089 GER0.001-0.3920-7.80 
  Siemes, Robert 1975 GER0.501-0.0520-1.00 
  Kuehne, Thomas 2019 GER0.5010.01200.20 

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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