Individual Calculations September 2023
 Ullmann, Ralf  Total change: -31.40  Rating chartPersonal card
 Deutsche Schach-Amateurmeisterschaft 2022-2023 Finale D Bad Wildungen GER 2023-07-27
RcRownchangeKK*chgGame
 1680 1765 1.50 5 -1.57 20 -31.40 
  Bauer, Laura Sophie 1586 GER0.001-0.7320-14.60 
  Blanquett, Jan 1735 GER0.501-0.0420-0.80 
  Rick, Niklas Corvin 1664 GER0.501-0.1420-2.80 
  Schier, Richard 1753 GER0.501-0.0220-0.40 
  Lenz, Joshua 1662 GER0.001-0.6420-12.80 

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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