Individual Calculations April 2018
 Ast, Erwin  Total change: -32.80  Rating chartPersonal card
 2. Jubilaeumsturnier Uta Roechling Magdeburg GER 2018-02-24
RcRownchangeKK*chgGame
 1727 1782 3.50 9 -1.64 20 -32.80 
  Werchan, Hans, Dr. 2079 GER0.001-0.1520-3.00 
  Kaspschak, Karola 1420 GER0.501-0.4020-8.00 
  Ketelsen, Herbert 1598 GER0.501-0.2420-4.80 
  Ludwig, Siegfried 1573 GER1.0010.23204.60 
  Niebuhr, Gerd 1955 GER0.001-0.2720-5.40 
  Niebling, Ferdinand 2054 GER0.001-0.1720-3.40 
  Helm, Helga 1613 GER0.501-0.2220-4.40 
  Buck, Klaus-Michael 1651 GER0.501-0.1820-3.60 
  Fehsenfeld, Kurt 1598 GER0.501-0.2420-4.80 

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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